what can we conclude about the herto skulls from ethiopia? group of answer choices they are distinctly archaic. they have a combination of archaic and modern features. they are distinctly modern. they are considered homo habilis.
Answers
The Herto skulls "sample a group that is on the cusp of morphological modernity but not yet entirely modern," according to the scientists' analysis.
As a result, they gave it the name idaltu, which means "elder" in the local Afar dialect. A broad head, prominent supraorbital ridges (brow ridges), and the absence of a prominent chin are characteristics of archaics that set them apart from anatomically modern humans. Herto Man was the earliest dated H. sapiens remains at the time of its description in 2003, making its discovery particularly significant at the time. It also fell within a significant gap in the herto skulls fossil record between 300 and 100 thousand years ago.
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Related Questions
Consider the two rectangles shown.
2 rectangles have identical side lengths and angle measures. The second rectangle is a reflection of the first.
What transformation maps rectangle QRST to rectangle Q’R’S’T’?
reflection
rotation
stretch
translation
Answers
The transformation maps rectangle QRST to rectangle Q’R’S’T’ is reflection.
What is reflection?Reflection of light is an optical phenomenon in which a visible electromagnetic wave strikes a given medium, returning to the original medium in which it propagated.
In this case, reflection of an object occurs in such a way that it is equally reflected where the same points are in the same places.
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A biome is define by its
elevation and soil
plant and animal species
climate and plant communities
latitude and longitude
Answers
Answer:
plant and animal species
Note:
Please mark as Brainliest! <3
A biome is define by its climate and plant communities. Therefore, option (B) is correct.
A biome is a big area in nature that has its own unique climate patterns and is home to certain types of plants and animals. A variety of ecosystems with comparable climate and vegetation types are included.
The environment of a biome is influenced by various factors like temperature, rainfall, and soil type. These factors play a crucial role in determining the kinds of plants that can grow and the animals that can live in that particular area. There are different types of biomes such as tropical rainforests, deserts, grasslands, tundra, and taiga.
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In an experithent, sections of tomsto plant tissue were grown in 20 tissue cultures with differing amounts and types of sugars. Five torasto plant tissues were randomly assened to each of the four treatinents. The thisue growth of each culture is given in the table below. Anwwer all of the tollowing questions. Note You must clearly label your wonk for Part A, Past B, Part C, Part D, Part E, Part fi and Part G. Part A: identify the trestineets. 12 points) Part \&8 identity the response variable that was mexwed (2 points) Part C identify the experimengit urits, (1 point) Part D. Descibe how randomiastion was ued within this experietetit. 12 pointel Part E. Detcibe how teplication was used withies this experiment, (1 point) Part F. Destibe how control was used withen twis evperitient, (1 point]) Part G. Was blocking used whin this experiment? Explain. (1 poind)
Answers
The experiment consisted of four treatments involving different types and concentrations of sugars. These treatments were: Treatment 1, which had no sugar; Treatment 2, with 2% sucrose; Treatment 3, with 2% glucose; and Treatment 4, with 2% fructose.
The response variable that was measured in this experiment was the growth of tissue in each culture.
This variable allowed researchers to assess the impact of the different sugar treatments on the growth of tomato plant tissues.
The tomato plant tissues served as the experimental units in this study. These tissues were subjected to the different sugar treatments, and their growth was measured and analyzed.
Randomization was employed in this experiment by randomly assigning five tomato plant tissues to each of the four treatments.
This random assignment helps eliminate biases and enables researchers to generalize the effects of the treatments to the broader population.
The experiment included replication by using 20 tissue cultures. This meant that each treatment was repeated five times, with five tomato plant tissues assigned to each treatment.
Replication helps increase the reliability and validity of the results obtained.
A control group was incorporated into the experiment by including a treatment without any sugar.
This control treatment allowed for a comparison of the effects of the other treatments to the absence of sugar, providing a baseline reference for assessing the impact of the different sugar types.
Blocking was not employed in this experiment since there were no mentioned nuisance variables that required control.
Blocking is typically utilized to minimize the influence of unwanted factors, but in this case, it was not necessary as the experiment focused solely on the effects of the sugar treatments on tissue growth.
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which factors may alter normal upward rotation of the scapula, and how does inadequate upward rotation of the scapula adversely affect elevation of the arm?
Answers
The factors that may alter the normal upward rotation of the scapula are: poor posture, excessive rest posture, thoracic and cervical kyphosis, lordosis, clavicle fractures, etc.
Inadequate upward rotation of the scapula adversely affect elevation of the arm because then the muscles of the shoulder and upper back become weak and this may cause difficulty is performing the everyday activities normally.
Scapula is the bone present in the shoulder that connects with the hindlimb appendage humerus. It is a flat triangular bone present at the dorsal side of the rib cage.
Arms is the hindlimb portion of humans. The arm itself is divided into three sections: the upper arm, the forearm and the hand. There are around 30 bones in the whole arm.
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Which molecules are normally found in single-celled organisms?
Answers
Answer: One molecule that is usually found is an organic molecule. For example, nucleic acids, proteins, carbohydrates, and lipids. I hope this helps!
Explanation: There is no definite explanation for my answer.
The molecules which are normally found inside a single-celled organism are carbohydrates, lipids, proteins, and nucleic acids.
What are single-celled organisms?Unicellular organisms are the organisms which are made up of only one cell which may be eukaryotic or prokaryotic. The cell carries out all of the functions which are needed by the organism to survive, while the multicellular organisms use many different cells to perform different functions. Unicellular organisms include different classes of organisms such as bacteria, protists, and yeast.
Most of the organic compounds which are found inside the single-celled organisms belong to four major classes of molecules such as carbohydrates, lipids, proteins, and nucleic acids.
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ou are working in a greenhouse laboratory. Your job is to take pollen from the pollen cone of one plant and place it on the female cone of another plant (of the same species). The hope is that sperm in the pollen grain will travel to the ovule in the other plant. After fertilization occurs, what happens next? O None of these answers are correct A sporophyte will be produced via meiosis. O A spore will be produced via mitosis. O A gametophyte will be produced via mitosis. O A seed will be produced via meiosis.
Answers
After fertilization occurs, a sporophyte will be produced via meiosis. This process is an essential part of plant reproduction, which is commonly used in greenhouses, gardens, and plant nurseries.
Meiosis is a type of cell division that produces four daughter cells that are genetically distinct from each other. This process plays an essential role in the reproduction of sexual cells or gametes. It occurs in plants and animals that reproduce sexually. Meiosis has two stages, Meiosis I and Meiosis II.In Meiosis I, homologous chromosomes combine to form a structure called a tetrad. The tetrads exchange genetic material during a process called crossing-over, which leads to the exchange of genetic information.
After crossing-over, the chromosomes separate, forming two daughter cells.In Meiosis II, the chromosomes separate, forming four genetically distinct daughter cells. In plant reproduction, this process is used to create a sporophyte, which is the dominant generation of the plant life cycle. The sporophyte produces spores via meiosis, which eventually grow into gametophytes. The gametophytes produce gametes, which can then fertilize other gametes to produce a new sporophyte.
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Consider a coastal region that repeatedly experiences harmful algal blooms because of fertilizer runoff. A local politician suggests introducing the zebra mussel because they filter feed and will clear the water of the bloom. Why is this an ill-advised proposition from an ecological standpoint
Answers
Introducing the zebra mussel as a solution to harmful algal blooms in coastal regions that experience runoff from fertilizers is an ill-advised proposition from an ecological standpoint. This is because the zebra mussel is a non-native species that is known to have detrimental effects on ecosystems.
Invasive species such as the zebra mussel are known to disrupt and alter ecosystems. When introduced into new environments, they tend to grow rapidly and consume resources that are native to that environment, altering the food chain and outcompeting other species that are native to the region. This can result in the displacement and even extinction of native species, which can have a cascading effect on the entire ecosystem.
Additionally, the introduction of a non-native species such as the zebra mussel can lead to unintended consequences such as the spread of diseases or parasites to native species, further exacerbating the negative ecological impacts. It is important to consider the potential long-term consequences of introducing non-native species and to prioritize the preservation of native ecosystems.
Instead of introducing non-native species, it is better to address the root cause of the harmful algal blooms by implementing measures to reduce fertilizer runoff and promote sustainable land management practices.
In conclusion, the introduction of the zebra mussel as a solution to harmful algal blooms is an ill-advised proposition from an ecological standpoint due to the detrimental effects it can have on native ecosystems.
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In multicellular organisms, different structures have different functions. Which function is carried out in the leaves of a plant?.
Answers
Answer:
The leaves of a plant absorb light
During cytokinesis, the cell divides completely after the ___ splits.
Answers
Answer:
Cytoplasm
Explanation:
Describe the type of movement as either facilitated diffusion, osmosis, or diffusion.
Answers
Answer:
1. Diffusion
2. Osmosis
3. Diffusion
4. Facilitated Diffusion
5. Osmosis
6. Diffusion
Explanation:
Facilitated Diffusion- Move molecules across the cell membrane in a passive transportation with membrane protein.
Osmosis- Move water molecules from high concentration to low concentration.
Diffusion- Evenly spread molecules from high concentration to low concentration.
1. Gases move across the room with ease without energy.
2. Water enter skin cells allowing cells to grow and wrinkle without energy.
3. Gases move with ease without energy.
4. Glucose requires energy to transfer.
5. Water leaves throat when concentration outside of throat is less that that inside the trough so water moves outwards.
6. Oxygen is uses passive diffusion does not require energy and will with ease move in and through a cell.
What is the chemical reaction in the equation NaCl (s) → Na + (aq) + Cl - (aq)
Answers
Answer:
2 Na + Cl 2 → 2 NaCl The physical states of reactants and products are included where necessary. The symbols used are: ( s ) for solid, ( l ) for liquid, ( g ) for gas, and ( aq ) for aqueous (water) solutions.In the case of sodium chloride formation, the equation is modified accordingly.
Explanation:
Most of the functions of a cell membrane, including transport and enzymatic function, are performed by.
Answers
Whereas the lipid bilayer determines the basic structure of biological membranes, proteins are responsible for most membrane functions, serving as specific receptors, enzymes, transport proteins, and so on. Many membrane proteins extend across the lipid bilayer.
There are two conditions for calling a domain atomic. Mention
them and cite one example in [05] this regard
Answers
The two conditions for calling a domain atomic are: The domain cannot be divided or broken down into smaller parts and The domain represents a distinct and independent concept or entity.
An example of an atomic domain is a "Person" domain. It satisfies both conditions as it cannot be further divided into smaller parts (e.g., name, age, address), and it represents a distinct concept or entity (i.e., an individual human being).
The "Person" domain encapsulates all the relevant attributes and behaviors related to a person, such as their personal information, relationships, and actions. Any interaction or analysis involving a person would revolve around this atomic domain, treating it as a singular and cohesive unit.
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A microscope has different magnification powers. Using the If . . . , then . . . format, write a hypothesis that answers the lab question, “What is the effect of magnification on the visibility of cell organelles under a microscope?”
Answers
Answer:
Um i hope this is right, if not you can delete it.
Explanation:
If the magnification powers change, then the way you look at the picture will also change because you are changing the magnification based on how much you are using that is how much it will change.
Hope this helps, if not I am really sorry.
What does third spacing of fluid mean?
Answers
Third spacing refers to the abnormal accumulation of fluid in the interstitial space, which is the space between cells and tissues outside of blood vessels.
This condition occurs when fluid is trapped in the interstitial space and is unable to return to the circulatory system or be eliminated through normal physiological processes.
Third spacing can occur due to various factors, such as inflammation, infection, trauma, surgery, or certain medical conditions, including heart failure, liver disease, and kidney disease. When third spacing occurs, the fluid accumulation can lead to swelling, or edema, in the affected area, which can be uncomfortable or even painful.
Third spacing can be diagnosed through physical examination or imaging tests, such as ultrasound or CT scans. Treatment of third spacing depends on the underlying cause and severity of the condition. In some cases, conservative measures such as rest and elevation of the affected area may be sufficient.
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experts believe that the neural pathways that control the leg alternation essential for walking are possibly in place at which age?
Answers
Experts believe that the neural pathways that control leg alternation, which is required for walking, are present at birth or before (option 1)
Even a young infant can perform the alternating leg movements required for walking. The neural pathways that control leg alternations are established at a very young age, possibly even before birth. According to research, alternating leg movement occurs during the fetal period and at birth.
Neuronal networks in the spinal cord directly control the rhythmic movements of the arms/forelimbs and legs/hindlimbs during locomotion. These networks must be flexible enough to allow for different gait patterns and independent use of the arms/forelimbs for effective locomotion. Mechanisms intrinsic to the spinal cord, somatosensory feedback from the limbs, and various supraspinal pathways can all help with coordination. In animal models and humans, incomplete spinal cord injury disrupts some of the pathways and structures involved in interlimb coordination, often resulting in a disruption in coordination between the arms/forelimbs and legs/hindlimbs.
The question is incomplete, it should be:
Experts believe that the neural pathways that control the leg alteration essential for walking are possibly in place at which age?
birth or before
6 months of age
3 months of age
8 months of age
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The viral pathogen that causes cold sores can remain inactive in the body for a long time between disease outbreaks. How is this disease classified
Answers
This disease is classified as a latent disease.
Classification of diseasesLatent disease is a classification of disease whereby the infectious agent remains inert in the body of its host between episodes of recurrent diseases.
Examples of viral pathogens that causes latent diseases include:
Herpes simplex, Varicella zoster, Epstein-Barr, Human cytomegalovirus, Adenovirus, and Kaposi's sarcoma.The infection caused by the listed viral pathogens exhibit a latent disease phase whereby there is no noticeable symptoms of infection.
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Which type of energy causes the equator to be hotter than the north pole?
Answers
Answer: solar energy
Explanation:The amount of solar energy in a given area is greater at the equator than in an equal area at the poles, which is why the equator temperature is warmer than the polar temperatures.
Answer: solar energy
Explanation: I took the test
the systemic veins carry blood that is _______ oxygen.
Answers
The systemic veins carry blood that is low in oxygen.
The systemic veins carry blood from all over the body towards the heart. It carries deoxygenated blood because the oxygen in the blood is used up in the tissues during cellular respiration. This process releases energy and carbon dioxide (CO2). The blood returns to the heart via the veins and it's delivered to the lungs to be oxygenated again. When the blood reaches the lungs, the carbon dioxide is removed and replaced with oxygen.
Systemic veins are the large veins that transport deoxygenated blood from the systemic circulation to the right atrium of the heart. They also carry carbon dioxide and metabolic waste products away from the body's cells to be eliminated through the lungs or kidneys. The systemic veins differ from pulmonary veins which transport oxygen-rich blood from the lungs to the heart.
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In the word search below are the names of several pieces of lab equipment. As you find each piece of equipment, record its name on the list. There are only 13 words out of the listBunsen burner,Pipestem triangle, Evaporating dish, Beaker, Utility clamp,Iron ring, Mortar and pestle, Crucible and cover, Gas bottle, Saftey goggles,Corks, Watch glass, Erlenmeyer flask, Wire gauze, Pipet, Buret,Triple beam balance, Test tube rack, Funnel, Scoopula,Well plate, Wire brush,File,Wash bottle, Graduated cylinder,Thanks
Answers
A crossword is a type of word puzzle that often consists of squares or a rectangular grid of squares with black and white borders. In this case, this is created to educated the audience on the various types of lab equipment.
What are the answers to the crossword puzzle?The answer to the crosswords are as follows:-
Beaker -second rowBunsen Burner - second last lineCorks - besides the word thermometerCrucible and cover - tenth row diagonalEvaporating dish- fifth row diagonalGas bottle - Last lineIron Ring - second last columnMortar and pestle - fifth columnPipestem triangle- third-row diagonalSafety goggles - Fifth columnUtility clamp - seventh rowWatch Glass - Seventh column invertedWire gauze - second line.Learn more about lab equipment:
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It takes light from the Sun approximately 8.19 minutes to reach Earth, while it takes light from the star Ross 154 approximately 10 years to reach Earth. Why does it take Ross 154’s light so much longer to reach the Earth?
A: The mass of Ross 154 is much larger than the Sun
B: The Sun has a much higher luminosity than Ross 154
C: Ross 154 is much farther away from the Earth than the Sun
D: The Sun has a higher temperature than Ross 154
Answers
It take Ross 154’s light so much longer to reach the Earth because the Sun has a much higher luminosity than Ross 154.
Luminosity is an outright proportion of transmitted electromagnetic power, the brilliant power produced by a light-discharging object over the long run.
Hypergiants are characterized by luminosity class 0 or Ia+, supergiants by class I, bright giants by class II, regular giants by class III, subgiants by class IV, main-sequence stars by class V, subdwarfs by class sd (or VI), and white dwarfs by class D (or VII).
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what might be a more reliable
way to classify organisms.
Answers
Answer: Taxonomical classification
Explanation: This is the most reliable because, all living organisms needed to be classified in groups to find out their similarities and differences.
Which of these is NOT a factor contributing to the loss of biodiversity?
a
urbanization
b
climate change
c
planting of trees
d
over exploitation of species
Answers
Answer:
Option C
GOOD LUCK FOR THE FUTURE! :)
Planting of trees is not a factor contributing to the loss of biodiversity. Thus, option C is correct.
What is five kingdom classification?
The main purpose of the classification of the Five kingdom has been known R.H. Whittaker. The five kindoms that has were included in this proposal were the Fungi, Protista, Monera.
Animalia as well as the kingdom Plantae. There are mainly five criteria or the conditions based on which the classification has been madeup of. These criteria has been includes the structure of the cell, as well as the nutrition mode, organisation of the thallus, or the relations of reproduction and phylogenetic.
Based on shoe characteristics they were to develop a classification hierarchy of shoes, beginning with the shoe "kingdom" and becoming more and more specific, just like scientists did for the classification of living things.
Therefore, Planting of trees is not a factor contributing to the loss of biodiversity. Thus, option C is correct.
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Any biological agent that is capable of destroying red blood cells and causing the release of hemoglobin is referred to as a(n)?
Answers
Any biological agent that is capable of destroying red blood cells and causing the release of hemoglobin is referred to as a hemolysin.
A hemolysin refers to any biological agent which induces hemolysis. It can be an exotoxin protein synthesized by bacteria. It can also include an antibody in which the ensuing immune activity includes hemolysis.
Other probable hemolysins include other immunologic factors, toxins as well as enzymes. Hemolysins include lipids as well as proteins which bring about lysis of red blood cells by damaging the cell membrane.
Hemolysis, also known as hematolysis, is the disintegration or decimation of red blood cells so that the oxygen-carrying pigment hemoglobin, which they carry, is released into the surrounding medium.
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PLEASE HELP ASAP. A hydroelectric dam produces electricity for a community. the hydroelectric dams reservoir is refilled by a river. Suppose the watershed that feeds the river experiences years of severe drought. How would the drought affect electricity produced by the hydroelectric dam?
Answers
Answer:
The drought would cause water to evaporate. This would cause there to be less water, meaning less water passes through the dam. This means less electricity can be produced. Therefore the correct answer is D.
Explanation:
Answer:
D
Explanation:
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Unit Activity: Earth's Environment
Part B
Describe the biome in which the species lives and the properties of the biome.
Answer please
Answers
The biome in which a species lives refers to the major ecological community that exists in a particular region on Earth. A biome is defined by its climate, vegetation, and animal life.
For example, a species living in a desert biome is adapted to hot and dry conditions, while a species living in a tropical rainforest biome is adapted to hot and wet conditions.
The properties of a biome vary depending on its location. For instance, a tundra biome has cold and dry weather with limited vegetation, while a grassland biome has moderate temperatures and plenty of grasses. In addition, a wetland biome has plenty of water, marshy ground, and is home to various aquatic plants and animals.
The characteristics of a biome determine the survival of a species living in that biome. For example, a polar bear is adapted to the cold and harsh environment of the Arctic biome, while a lion is adapted to the dry and hot conditions of the savanna biome.
Understanding the properties of the biome is important in preserving the environment and conserving the species that call it home.
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The water in a full bathtub is at a temperature of 40℃. A cup of water is at a temperature of 90℃. Which mass of water most likely has more thermal energy?
Answers
Answer:
90°of water in cup
Explanation:
Energy increase with an increase in temperature
what are the two primary types of water pollution that have to do with where the pollution came from
Point source and non point source
Physical and liquid
Groundwater and surface water
Chemical and biological
Answers
Answer:
Groundwater and surface water .Explanation:
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One day, Oriana packed a ham-on-wheat sandwich, and her friend, Macha, packed a salami-on-rye sandwich. At lunch, they decided to trade meats. Oriana ate a salami-on-wheat sandwich, while Macha ate a ham-on-rye sandwich.
a. decomposition
b.
single-replacement reaction
c.
single-replacement reaction
d.synthesis
Answers
Since Oriana ate a salami-on-wheat sandwich, while Macha ate a ham-on-rye sandwich, the situation is known as option B: single-replacement reaction.
How can you tell whether there has been only one replacement reaction?A person need to make use of a "Activity Series" table to ascertain whether a certain single replacement will take place. A single displacement reaction will take place if the metal or halogen is above the element it would replace according to the activity series.
Since the single replacement reaction, also known as a single displacement reaction, occurs when one element in a molecule is swapped out for another just as the case with Oriana and Macha.
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In cardiac muscle, the fast depolarization phase of the action potential is the result of
A) decreased membrane permeability to calcium ions.
B) increased membrane permeability to chloride ions.
C) increased membrane permeability to potassium ions.
D) decreased membrane permeability to sodium ions.
E) increased membrane permeability to sodium ions.
Answers
E) The increased membrane permeability to sodium ions causes the fast depolarization phase of the action potential in cardiac muscle.
In cardiac muscle cells, what causes the action potential's rapid depolarization phase?An opening of fast sodium channels initiates the depolarization phase of the action potential in muscle and nerve cells. This also occurs in cardiac cells that do not have pacing devices; However, the initial depolarization phase of the action potential is influenced by calcium ions in cardiac pacemaker cells.
What takes place during cardiac muscle depolarization?An electrocardiogram (EKG) is an indirect indicator of heart muscle contraction because contraction of the heart muscles is caused by depolarization of the heart. Without any external stimulus, the heart's cells will depolarize. Automaticity, or autorhythmicity, is the name given to this property of cardiac muscle tissue.
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