Stone tools are more commonly found on archaeological sites thought to be associated with Homohabilis.
Homohabilis are our ancestors having the same genus as us Homo, there are the extinct species that resided in the South Africa approx 2.3 million years ago. They were about 5 feet (1.52 m) tall and were the first ones to make use of stone to make tools. Also known as handy man due to the fact they could make stone tools.
Studies suggest that these were majorly vegetarian and didn't include meat in their diet. Technically speaking they were the first humans on this earth and therefore referred to as belonging to the genus Homo. Many fossils found all over the globe states many facts about their human nature.
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in a typical day, what amount of water is taken by mouth?
On average, an adult should consume approximately 2.7 to 3.7 liters (about 9 to 13 cups) of water daily.
In a typical day, the amount of water taken by mouth varies depending on several factors such as age, sex, weight, activity level, and climate. Generally, health experts recommend drinking at least 8-10 glasses (64-80 ounces) of water per day. However, this is just a general guideline, and individual needs may vary. For instance, an athlete or someone living in a hot and humid climate may need to consume more water to replace lost fluids through sweat.
Apart from water, other beverages such as coffee, tea, soda, and fruit juices also contribute to the daily intake of fluids. However, it is essential to note that not all fluids are created equal, and some may contain added sugars and calories that can be harmful to health. Therefore, water remains the best option for staying hydrated throughout the day.
In addition to drinking water, many people also consume foods that contain high water content such as fruits and vegetables. These foods not only help meet daily hydration needs but also provide essential nutrients and fiber that promote overall health.
In conclusion, the amount of water taken by mouth in a typical day varies depending on several factors. However, drinking at least 8-10 glasses of water per day, consuming other hydrating fluids in moderation, and incorporating water-rich foods in the diet can help maintain optimal hydration levels and promote overall health.
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For an entire species to survive, it must allow for new generations to maintain the
population. This is the challenge of
______?
Answer:
EvolutionExplanation:
In order for species to survive over generations, they will have to adapt. Adaptation is a form of evolution.
I hope this helps!
In order for species to survive over generations, they will have to adapt. Adaptation is a form of evolution.
What is adaptation?A characteristic that has evolved to assist an organism survive and procreate in its environment is called an adaptation.
Studying the environment in which the creature lives is necessary to determine whether a characteristic is an adaptation or not since the environment affects how organisms evolve.
A behavior that allows for improved predator avoidance, a protein that works better at body temperature, or anatomical characteristics that enable an organism to access a lucrative new resource are all examples of adaptations.
Therefore, In order for species to survive over generations, they will have to adapt. Adaptation is a form of evolution.
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do predators control the prey or do the prey control the predators
the predators are wolves the prey are deer
Answer:
Explanation:the predators are predators and how they are predators is because they are predatrods
Taking antibiotic will help to cure a virus.
The statement is false. Why? Provide evidence if possible.
Which is controlled by the
endocrine system?
A.both daily activities and growth and development
B.growth and development
but not daily activities
C.daily activities but not growth and development
Gut bacteria found in the human stomach (very low pH) would be classified into which kingdom?
plantae
archaebacteria
fungi
protista
animalia
eubacteria
The 3rd one - fungi, double check
What feature of the lifecycle differs for bryophytes compared with all other land plants?
Answer:
All bryophytes have a dominant gametophyte stage in their life cycle. During this stage, the plant is haploid and the sex organs that produce the gametes are developed. Bryophytes are unique compared to many other plant species in that they remain in this stage for long periods. Two structural changes allowed these plants to survive in a dry, terrestrial atmosphere. First, bryophytes developed cuticles, different from the layer of skin ...
The lack of vascular tissue in bryophytes, unlike all other terrestrial plants, is an aspect of their lifecycle that is unique.
The xylem and phloem-based vascular tissue is in charge of moving water, nutrients, and carbohydrates throughout the plant. It provides structural support and enables effective resource allocation. The bryophytes group, which includes mosses, liverworts, and hornworts, do not have true vascular tissue.
Water and nutrients are transferred through the comparatively slow processes of osmosis and diffusion in bryophytes. In the absence of vascular tissue, bryophytes have limited ability to grow tall and exhibit slight stature. In moist settings, they often develop dense mats or cushions while remaining small and close to the ground.
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what was one erroneous assumption made at the beginning of the human genome project
This assumption was based on the time's poor understanding of genetics and the thought that the number of human genes would be tiny, possibly only a few thousand. However, as the human genome project advanced and more data was acquired, it became obvious that the human genome was significantly more complicated and that the number of human genes was actually closer to 20,000-25,000, a far higher number than had been anticipated.
The Human Genome Initiative was an international scientific research project that sought to determine the sequence of chemical base pairs that comprise human DNA, as well as to identify and map all of the human genome's genes. One mistaken assumption at the start of the human genome project was that the human genome would be much simpler than it turned out to be.
This finding called into question the fundamental assumptions about genetics and opened up new study and discovery paths. The human genome project also revealed the presence of significant amounts of non-coding DNA, formerly assumed to be "junk DNA" but now known to serve important functions in gene expression regulation and other cellular processes.
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Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, se obtendrá la relación fenotípica de
Answer:
Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco.
Explicación:
Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, la relación fenotípica es diferente en su descendencia. Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco. Esto se debe a que el color púrpura tiene un alelo dominante debido a que más pollitos tienen color púrpura y menos pollitos tienen color blanco debido al alelo recesivo.
Molecules used forgrowth and repair______,and molecules used forenergy_______.A. become part of the body, are lost as CO2 and H2OB. become CO2 and H20. becomepart of the bodyC. become ATP. become C6H1206D. become C6H1206, become ATP
Molecules used for growth and repair become part of the body, and molecules used for energy are lost as CO2 and H2O.
why did mendel remove the stamens of some pea plants during his first experiment? Select all correct answers. A: To prevent reproduction from occurring. B: To control which parents plants were allowed to reproduce. C: To prevent self-fertilization of the pea plants. D: To allow the pea plants to reproduce asexually.
Answer: C. To prevent self-fertilization of the pea plants.
Mendel removed the stamens of some pea plants during his first experiment to prevent self-fertilization of the pea plants (Option C).
Who was Mendel?Mendel was a Hungarian botanist who is considered the father of genetics as a discipline.
Mendel's experiments consisted of crossing pea plants, which exhibit auto fertilization.Mendel observed how phenotypic characters are inherited by crossing different pea plants.In conclusion, Mendel removed the stamens of some pea plants during his first experiment to prevent self-fertilization of the pea plants (Option C).
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Emma is a biomedical engineer who designs robots that perform intricate surgeries. Into which two career clusters that we have considered so far could Emma’s job fall? Give a reason for your choices. Then explain what type of companies might be interested in employing Emma and funding her work
Emma's job could fall into the Engineering and Technology cluster, as she designs surgical robots, and the Health Science cluster, due to her contribution to surgical advancements.
Emma's job as a biomedical engineer designing robots for intricate surgeries can fall into the following two career clusters:
Engineering and Technology: Emma's role as a biomedical engineer involves designing robots and utilizing technology to improve surgical procedures. This cluster encompasses professions that involve the application of scientific and engineering principles to develop innovative solutions and technologies.Health Science: Emma's work directly relates to the healthcare field, specifically in the area of surgical advancements. The health science cluster involves careers that focus on promoting, maintaining, and improving the overall well-being of individuals and communities through medical research, innovation, and healthcare delivery.To know more about biomedical engineer
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what is the potential fate of a protein that is produced on the membrane of the rough er, as opposed to lumen the rough er?
The potential fate of a particular protein which is basically produced on the membrane of the rough endoplasmic reticulum as opposed to the lumen would be that they would be secreted.
The rough endoplasmic reticulum is the ER which has ribosomes bound to its surface. The ribosomes are the organelles in the cell which are responsible for the production of the proteins. The fate of the protein depends on the where it is produced. It can be sent to the cell membrane, mitochondrial matrix, cytoplasm or are secreted.
The potential fate of the protein which is basically produced on the RER as opposed to the one produced in the lumen would be that it will be secreted.
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hypoxyphilia, the strangulation or smothering of a person to enhance their sexual pleasure, is one form of which paraphilia. True/False
True, hypoxyphilia, which involves strangulation or smothering to enhance sexual pleasure, is considered one form of paraphilia.
Paraphilia refers to a condition in which an individual's sexual arousal and gratification are dependent on unconventional or non-normative behaviors, fantasies, or objects. Hypoxyphilia, also known as erotic asphyxiation or breath control play, involves restricting oxygen flow to the brain to enhance sexual pleasure. It is considered a form of paraphilia.
Hypoxyphilia typically involves practices such as strangulation, suffocation, or the use of restraints to achieve a heightened sexual experience. It is important to note that engaging in hypoxyphilia or similar activities carries significant risks, including severe injury or death. Due to the potential dangers associated with this practice, it is essential to prioritize safety, consent, and communication when exploring any form of sexual activity.
In conclusion, hypoxyphilia is indeed one form of paraphilia that involves the intentional restriction of oxygen to the brain for the purpose of sexual arousal. However, it is crucial to approach such activities with caution and prioritize safety to minimize the risks involved.
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Characteristics of living organism
Characteristics of Living Things
Living things are made of cells. Cells are the basic building blocks of living things.
Living things have movement. This movement can be quick or very slow.
All living things have a metabolism.
Living things grow.
Response to environment.
Reproduction.
Answer:
Characteristics of living things
There are seven activities which make organisms different from
non-living things. These are the seven characteristics of living
organisms.
1 Nutrition
Living things take in materials from their surroundings that they
use for growth or to provide energy. Nutrition is the process by
which organisms obtain energy and raw materials from nutrients
such as proteins, carbohydrates and fats.
2 Respiration
Respiration is the release of energy from food substances in all
living cells. Living things break down food within their cells to
release energy for carrying out the following processes.
3 Movement
All living things move. It is very obvious that a leopard moves but
what about the thorn tree it sits in? Plants too move in various
different ways. The movement may be so slow that it is very
difficult to see.
4 Excretion
All living things excrete. As a result of the many chemical
reactions occurring in cells, they have to get rid of waste products
which might poison the cells. Excretion is defined as the removal of
toxic materials, the waste products of metabolism and substances
in excess from the body of an organism.
5 Growth
Growth is seen in all living things. It involves using food to
produce new cells. The permanent increase in cell number and size
is called growth.
6 Reproduction
All living organisms have the ability to produce offspring.
7 Sensitivity
All living things are able to sense and respond to stimuli around
them such as light, temperature, water, gravity and chemical
substances.
Learn these seven characteristics of living organisms. They form
the basis of the study of Biology. Each one of these characteristics
will be studied in detail during the course. Whilst many other
things carry out one or more of the above processes, only living
organisms possess all of these characteristics.
Which of the following statements accurately explains the relationship between time of day and water transport through the plants? (Answer choices in the photo, and a graph.)
The best option would be the letter B. At night, the stomata are closed so water in the leaves cannot evaporate, which reduces the need fro absorption of water at the root.
during late spring and early summer, sod webworm damage can look like what disease?
During late spring and early summer, sod webworm damage can look like brown patch disease. Sod webworms are the larvae of lawn moths, which feed on the blades of grasses. They can be found in turfgrass throughout the United States.
While there are several species of webworms, the larvae of the bluegrass and the larger sod webworm are the most common in lawns.The larvae of sod webworms may be yellow-green or brown, with darker spots or stripes on their backs. They are usually about 3/4 inch long when fully grown. Sod webworms do not hibernate during the winter months. The adults lay their eggs in late spring to early summer, which hatch in 7 to 21 days. The larvae feed on the grass blades for 4 to 6 weeks. As a result of their feeding, the grass may appear thin and patchy, similar to the appearance of brown patch disease.
In order to determine whether sod webworms are causing damage to the grass, a simple test can be performed. A soap flush test can be done by adding 1-2 tablespoons of dish soap in 2 gallons of water, then poured over 1 square yard of turf and counting the number of larvae that float to the surface of the water within 5-10 minutes.
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Which is an example of a human caused change to the abiotic factors in an ecosystem?
A.Planting new trees
B.Hunting
C.Building a dam
D.Harvesting a crop
Building a dam is an example of a human caused change to the abiotic factors in an ecosystem.
What do you mean by ecosystem?An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue.
Ecosystems are organized to better understand the frame of reference in which they are being studied. They are organized from smallest to largest; organism, population, community, ecosystem.
The term "ecosystem" was first used in 1935 in a publication by British ecologist Arthur Tansley. The term was coined by Arthur Roy Clapham, who came up with the word at Tansley's request.
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URGENT PLS HELP 60XP
If you are standing in front of a bonfire on a cold night and someone walks between
you and the fire, you can no longer see the fire and instantly feel cold. Draw a
diagram, and explain these observations using the following key words.
shadow
straight line
radiation
thermal
wave
When the person walks between me and the fire and I can no longer see the fire and instantly feel cold, the person blocks the straight line path of the thermal radiation and I can no longer feel the heat wave, but only a shadow of the person.
What is thermal radiation?Thermal radiation is electromagnetic energy released when matter particles move thermally.
When heat from the movement of charges in the material is converted to electromagnetic radiation, thermal radiation is produced.
Heat waves travel in straight lines at the speed of light.
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How are winds in the northern hemisphere different from winds in the southern hemisphere?
Adenine and Guanine will always pair together
True
False
Answer:
false
Explanation:
which type of plant was important in establishing the transition from water to land and the dominance of gametophyte
Answer: Nonvascular plants
Explanation:
Non-vascular plants are the plants that do not have a vascular system that has a xylem and phloem but rather, they have simpler tissues which have specialized functions that are used in the internal transport of water.
The type of plant that was important in establishing the transition from water to land and the dominance of gametophyte is the non vascular plant.
Why did he wear safety glasses?
Answer:
to keep you protect from dust or anything that can damage his eye
drought cuts the quantity of wheat grown by percent. if the price elasticity of demand for wheat is by how much will the price of wheat rise?
The price of wheat will rise by 50% due to the reduced quantity of wheat grown caused by drought and the given price elasticity of demand.
The given scenario states that drought cuts the quantity of wheat grown by a certain percentage. Let's assume this percentage is x%. Additionally, the price elasticity of demand for wheat is given as 0.5. Price elasticity of demand measures the responsiveness of quantity demanded to a change in price. In this case, the elasticity value of 0.5 indicates an inelastic demand for wheat.
To determine the change in price, we can use the formula for price elasticity of demand: Elasticity = (% change in quantity demanded) / (% change in price). Since the demand for wheat is inelastic (elasticity = 0.5), we know that the percentage change in quantity demanded will be smaller than the percentage change in price.
Given that drought cuts the quantity of wheat grown by x%, the percentage change in quantity demanded is also x%. Therefore, the percentage change in price will be double that of the percentage change in quantity demanded, resulting in a 2x% increase in price.
Since x% represents the quantity reduction due to drought, the price of wheat will rise by 2x% or 2 * x%. In this case, if the quantity of wheat grown is reduced by, for example, 10%, the price of wheat will rise by 20%.
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1.day lamps the simbolize inner light
Pls answer This Question
what is the most likely order of the linked genes r, s, and t if the distance between t and s is 22 m.u., the distance between s and r is 8 m.u., and the distance between r and t is 14 m.u.?
Based on the given information, the most likely order of the linked genes r, s, and t would be r - s - t.
Based on the given distances between the linked genes r, s, and t, we can determine the most likely order by analyzing the map units (m.u.) between them.
The distance between t and s is 22 m.u., which suggests that t and s are farther apart from each other compared to the other gene pairs. Similarly, the distance between r and t is 14 m.u., indicating that r and t are closer together compared to t and s.
Using this information, we can deduce that the order is most likely r - t - s.
The distance between s and r is 8 m.u., which is smaller than the distance between r and t. This implies that s and r are closer together than r and t. Therefore, the most probable order of the genes is r - t - s.
It's important to note that genetic mapping is subject to variations and uncertainties, and the actual gene order can sometimes deviate due to factors like genetic recombination. However, based on the given distances, r - t - s appears to be the most likely order.
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What is creatine called
Answer:
there are lots of names
Explanation:
different brand names: amidinosarcosine, creatine citrate, creatine monohydrate, creatine phosphate, and N-amidinosarcosine
Answer: Your welcome!
Explanation:
Creatine is an amino acid derivative that is found naturally in the body and is used by athletes to increase muscle mass and strength. It is also known as creatine monohydrate and is one of the most popular and widely used supplements in the health and fitness industry.
Name two examples of natural fertilizers.
Explanation:
Natural fertilizers are organic products that have been extracted from living things or from the earth. They can be either plant-derived or animal-derived. Some examples would be mushroom manure, blood meal, bone meal, cottonseed meal, kelp meal, poultry or horse manure (aged) and compost.
Pain relievers, anti-inflammatories, antivirals, and antihistamines all manage what
Pain relievers, anti-inflammatories, antivirals, and antihistamines all manage: inflammation.
What is inflammation?An indication of inflammation may occur when a wound grows, gets red, and aches. The body's immune system reacts to an irritant by causing inflammation, to put it very simply. A splinter in the finger or other foreign item, such as a bacterium, might possibly be the source of the irritation.
Aulus Cornelius Celsus, a Roman physician, wrote about the four primary symptoms of inflammation in the first century AD. These symptoms include redness (Latin rubor), heat (calor), swelling (tumor), and pain (dolor).
Science has shown that persistent, low-grade inflammation can become a silent killer that fuels type 2 diabetes, cancer, cardiovascular disease, and other illnesses.
Thus, pain relievers, anti-inflammatories, antivirals, and antihistamines all manage: inflammation.
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Science PLZZZZZZZ!!!!!
Answer:
Gravity and inertia
Explanation:
C. Gravity and inertia