A scientist examines the body fossil and trace fossils left by an ancient vertebrate species in Red Rock
Canyon. What would the scientist leam about this species from each type of fossil? Give specific examples in your
answer.
Answers
Answer:
6969696969696996969696969696969
Related Questions
Some fish, including striped bass, eat the same types of food as the blue crab.
These fish are often found in the well-lit layer of the ocean around 200m deep and
above. What is this zone called?
Answers
Answer: Epipelagic
Explanation:
Some fish, including striped bass, eat some of the same types of food as the blue crab. These fish are often found in the well-lit layer of the ocean around 200m deep and above. What is this zone called? Epipelagic.
which would not be able to pass through the filtration membrane of a functional nephron?
Answers
Answer:
membrane of the kidneys are d. proteins.
Explanation:
____ testing is to show that there are no errors/bugs/defects in the software.
Answers
Validation testing is to show that there are no errors/bugs/defects in the software.
In order to make sure that a software system or program satisfies the requirements and operates correctly without any mistakes, flaws, or defects, validation testing is carried out. Verifying that the software meets the intended usage and operates as expected in the intended environment is the main objective of validation testing. It focuses on evaluating the software's overall quality and accuracy to ensure that it fulfills the demands and expectations of the user.
Verification testing, which tries to verify that the software has been produced in accordance with the stated criteria, is normally carried out after validation testing is finished. The two types of testing—verification, and validation—are both crucial steps in the software testing process, but they accomplish different things. Validation testing concentrates on proving that the program works effectively and meets the user's expectations, whereas verification testing checks to see if the product was developed correctly.
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write in short about Lamarckism natural selection and variation.
Answers
Explanation:
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring. The doctrine, proposed by the French naturalist Jean-Baptiste Lamarck in 1809, influenced evolutionary thought through most of the 19th century. Lamarckism was discredited by most geneticists after the 1930s, but certain of its ideas continued to be held in the Soviet Union into the mid-20th century.
Which of the following statements is true?
Organs are more complex than the tissues they are made from.
Carbon dioxide is absorbed by the lungs and stored in alveoli.
Running, jumping, and biking are controlled by the cerebrum.
The heart and lungs do not need each other to supply the body with oxygen.
Answers
Answer:
It is Running, jumping, and biking are controlled by the cerebrum.
Explanation:
I had question this on my test last week
Answer: Organs are more complex than the tissues they are made from.
Explanation:
a researcher performs a gram stain and an endospore stain. gram-stained cells are purple bacilli and they are endospore-positive. the cells are obligately anaerobic. this microbe could be:
Answers
The gram-stained cells that are purple bacilli and they are endospore-positive as well as obligately anaerobic could be: Clostridium.
Obligate anaerobes are the organisms that can live only in the environments that lack of oxygen. In the presence of atmospheric oxygen, these organisms die out. There is certain level of oxygen tolerance that differs from species to species. The examples include: Actinomyces, Bacteroides,, etc.
Clostridium are the species of gram-positive endospore forming bacteria. These are the most common causes for food poisoning. These bacteria are found in soil and the intestine of humans and cattle. They can also cause diseases like gas gangrene, tetanus, botulism, etc.
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Why does the lethal “b” allele affect more males than females?
Answers
In female mammalian cells, one X chromosome of the two would undergo random inactivation early in embryonic life, and therefore both males and females have a single active Y. with this the disease has a predilection in men because women do not carry the Y gene
What are the consequences of lethal alleles?Recessive lethal alleles cause death when they are homozygous. Death occurs at the stage when the product of this gene is needed. If the gene in question is responsible for the synthesis of a particular protein in early childhood, for example, the organism will die at that moment.
With this information, we can conclude that Y chromosome, is what guarantees the development of a male embryo and the lethal “b” allele
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Drag each label to the correct location. Each label can be used more than once. In the image, balls that look alike represent the same type of atom.The atoms have formed molecules. Identify which molecules are elements, and which are compounds
Answers
Explanation about the molecules given below:
What are molecules?Its original definition, "the smallest unit of a material that yet preserves the qualities of that substance," was intended to be included by this designation. "An atom is a body that cannot be cut in two; a molecule is the smallest conceivable component of a specific material," wrote James Maxwell in 1873 when defining atom and molecule.
In this case, according to the given information, we can firstly bear to mind the fact that each ball color represents a different element, for that reason we can tell the following:
- Two black balls: they represent a diatomic molecule composed by two atoms of the same element.
- One black ball and two black balls: they represent a compound formed by two different elements.
- One gray ball and two black balls: they represent a compound formed by two different elements.
- Two black-dotted balls: they represent a diatomic molecule composed by two atoms of the same element.
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The point at which the nerves from the left side of the body cross over into the right side of the brain, and vice versa, is the __________. Group of answer choices
Answers
The point where the nerve passes from the left side of the body to the right side of the brain and vice versa is the medulla oblongata.
The medulla oblongata, also called the medulla oblongata, the lowest part of the brain, the lowest part of the brainstem. The medulla oblongata is connected to the midbrain via the pons, enters posteriorly into the spinal cord, and joins at an opening in the base of the skull (foramen magnum).
The left hemisphere controls the right half of the body, and vice versa because of a crossing of the nerve fibres in the medulla or, less commonly, in the spinal cord. Although the right and left hemispheres are mirror images of each other in many ways, there are important functional differences.
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what is phenotype, homozygous, and heterozygous in a kids definition?
Answers
Genetics is a field of study in Biology that explores how traits are inherited and expressed in living organisms, including humans, animals, and plants. Knowing key terminology can help us deepen our understanding of the topic.
Phenotype: Refers to the observable or physical traits of an organism. For example, if we are looking at a human who is tall and has black hair, we can say that the phenotype for that human is tall for the height gene and black for hair color.
Homozygous: When an individual has two identical copies of a gene for a particular trait. If homozygous, the genes inherited from the mother and father are exactly the same. For example, if T = tall and t= short, a homozygous individual would be either TT or tt for their height gene.
Heterozygous: When an individual has two different copies of a gene for a particular trait. If heterozygous, the genes inherited from the mother and father will be different. For example, if B = blue hair and b = brown hair, a heterozygous individual would have Bb for their hair color gene.
The ossicles are the three smallest bones in the human body. please select the best answer from the choices provided t f
Answers
The given statement is true that the ear ossicles are the three smallest bones in the human body.
Ossicles, also called auditory ossicles, one of the three small bones in the middle ear of all mammals. These are the hammer or the malleus, the incus or the anvil and the stapes or stirrup. Together they form a short chain that passes through the middle ear and transmits vibrations caused by sound waves from the tympanic membrane to the fluid in the inner ear. The malleus looks more like a club than a hammer, while the anvil looks like a premolar with an extensive root system. The stapes looks a lot like a stirrup. The top or head of the hammer and the body of the anvil are held together by a tight connection and are located in the attic, or top, of the tympanic cavity. The hammer handle attaches to the upper half of the drum diaphragm.
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What are the inputs of the light dependent reactions?.
Answers
Answer:
6 water molecules (and technically sunlight/energy)
Explanation:
The inputs of photosynthesis are water and carbon dioxide (and energy); water is used in the light-dependent reactions, and carbon dioxide is used in the light-independent. The water has to be there to replace the lost electrons in the chlorophyll that leave the thylakoids after being excited by the solar energy.
How can you sort and measure the DNA strand in the tube?
Answers
Answer and Explanation:
One of the methods that scientists use to sort and measure DNA strands is Gel electrophoresis.
To measure the amount of DNA in the tube, you can use a spectrophotometer to measure the absorbance of light by the DNA molecules at a specific wavelength. DNA absorbs light strongly at 260 nm, so by measuring the absorbance at this wavelength, you can determine the concentration of DNA in the sample. Additionally, by measuring the ratio of absorbance at 260 nm to 280 nm, you can assess the purity of the DNA sample, as impurities such as proteins and phenol will absorb light at 280 nm.
during aerobic cellular respiration, oxygen is important because it is the final ___?
Answers
Answer:
Oxygen is the final electron acceptor in aerobic respiration.. Without the presence of oxygen, electrons would remain trapped and bound in the final step of the electron transport chain, preventing further reaction
Explanation:
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. Which of these characteristics
is NOT necessary if a planet were to support life?
A)
source of fresh water
B)
extreme global warming
C)
able to receive sunlight
D
small changes in temperature
Answers
Answer: B) Extreme global warming.
Explanation:
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. The characteristic which is not necessary if a planet were to support life is extreme global warming. Thus, the correct option is B.
What is Extreme global warming?Global warming refers to the rise in the global temperatures mainly due to the increasing concentrations of greenhouse gases in the atmosphere. Climate change refers to the increasing changes in the measure of climate over a longer period of time including the precipitation, temperature, and wind patterns.
The anticipated increase in the precipitation, melting of the glaciers and also the expanding seas which have the power to influence the Indian climate negatively, with an increase in the incidence of floods, hurricanes, and storms. Global warming may also pose a significant threat to the food security situation in the country.
Therefore, the correct option is B.
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What are the characteristics of manganese?
Answers
Answer:
"Manganese is a grey-white, hard and very brittle metal.
It tarnished on exposure to air and oxidized to manganese when heated."
Credits to: Yahoo
Answer:
Manganese is a pinkish-gray, chemically active element. It is a hard metal and is very brittle. It is hard to melt, but easily oxidized. Manganese is reactive when pure, and as a powder it will burn in oxygen, it reacts with water (it rusts like iron) and dissolves in dilute acids.
Explanation:
How do geologist determine the relative and absolute age of rocks?
Answers
Geologists determine the relative age of rocks by studying the layers of rock and the relationships between them.They can also use fossils found in the rocks.Absolute age can be determined through radiometric dating techniques, such as carbon dating or potassium-argon dating.
What is the relative age of rocks?The relative age determination of rocks, fossils or minerals is made by comparing whether the material is younger or older than other surrounding materials.
Geologists determine the relative age of rocks by studying the layers of rock and the relationships between them, such as which layers are on top of which others. They can also use fossils found in the rocks. They can also use fossils found in the rocks to determine the relative age, as certain species of fossils are known to only have existed during certain time periods.
What is the Absolute age of rocks?
This refers to the actual number of years that have passed since the rock formed, and can be determined through radiometric dating techniques, such as carbon dating or potassium-argon dating. These methods involve measuring the decay of radioactive isotopes in the rock, which allows scientists to calculate how long it has been since the rock formed.
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In the sample of water, there are 100 atoms of oxygen and 200 atoms of hydrogen. How will the mass of oxygen compare to the mass of hydrogen?
Answers
Answer:
The ratio of the mass of an oxygen atom to the mass of a hydrogen atom is therefore approximately 16:1. If we have 2 atoms of each element, the ratio of their masses is approximately 32:2, which reduces to 16:1—the same ratio.
The mass of oxygen compared to the mass of hydrogen is approximately 16:1.
What is a chemical reaction?
There are several types of chemical reactions depending on the reaction mechanisms: combination, single-displacement, double-displacement, combustion, decomposition, combustion and redox reactions.
Thus, 16:1 is the answer.
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Which task would be best accomplished in a field of engineering? *
A. Designing and building an artificial heart for the human circulatory system
B. Identifying the organisms that live in a liter of healthy soil
C. Explaining how water travels up the tissues of a plant
D. Predicting the outcome of mixing oxygen and hydrogen gases at high temperature
Answers
Answer: A. Designing and building an artificial heart for the human circulatory system
Explanation:
Whenever the term design and build comes into play, it's most times relating to engineering, Engineers takes out much time to work on each product from their design to their building, the application of Engineering importance cuts across all fields of life to making life easier for humanity in its innovation. The building and building an artificial heart for the human circulatory system is an engineering work perspective.
Help with 1 and 2 plz make sure it’s right will mark brainiest
Answers
1. C
2.D
Anil and Bala have the choice of using either Integrated Pest Control (IPC) or Terminator (T) to solve the problem of pest insects. The following diagram shows these possible outcomes on a graph. (You will find the matrix form of the game in the textbook - Figure 4.3 b - if you find that helpful.) Based on the information above, which of the following is correct? Select one or more: a. (T,T) is the only Pareto inefficient outcome. b. (I,I) is the unique Pareto efficient outcome. c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I, I). insects. The following diagram shows these possible outcomes on a graph. (You will find the matrix form of the game in the textbook - Figure 4.3 b - if you find that helpful.) Based on the information above, which of the following is correct? Select one or more: a. (T,T) is the only Pareto inefficient outcome. b. (I,I) is the unique Pareto efficient outcome. c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I,I). d. (T, I) Pareto-dominates (T,T).
Answers
Based on the information provided, the correct statement is:
c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I, I).
:
Pareto efficiency refers to a state where no individual can be made better off without making someone else worse off. In this scenario, the outcomes are represented by the choices of using Integrated Pest Control (IPC) or Terminator (T).
From the given information, we can deduce that (I, I) is the Pareto efficient outcome. This means that both Anil and Bala are satisfied with this outcome, as neither of them can be made better off without making the other worse off.
On the other hand, (T, T) is the only Pareto inefficient outcome. This indicates that there exists an alternative outcome, (I, I), where both Anil and Bala would be happier.
However, the given information does not provide any details about the outcome (T, I) and its relation to (T, T) in terms of Pareto dominance. Therefore, statement d. (T, I) Pareto-dominates (T, T) cannot be determined based on the given information.
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The "master controller" gland is the _____. thyroid adrenal pituitary thalamus
Answers
Answer:
Hypothalamus is the correct answer to the given question.
Explanation:
Hypothalamus in the brain is the tiny portion of the mind also the Hypothalamus is situated at the foot of the nervous system .The Hypothalamus is just next to the pituitary gland. Hypothalamus is produced by a variety of nucleus as well as the nervous fibers. It's own neuronal links
The main objective of Hypothalamus is to hormonal fluctuation as well as controlling the temperature of the body.All the other option is not the master controller gland that's why these are incorrect option .Answer:
The pituitary gland is the master controller gland.
Explanation:
I just did this: The pituitary gland is sometimes called the "master" gland of the endocrine system because it controls the functions of many of the other endocrine glands.
which of the following statements is/are correct regarding seed dormancy? I. It is a result of endogenous control.
II. Delayed germination is advantageous to plants.
III. Impermeable and hard seed coat results in the dormancy of the seed.
A
Only II
B
Only III
C
I and III
D
I, II and III
Answers
The correct answer is option (C) "I and III."
Both statements I and III are correct regarding seed dormancy. Statement II is incorrect.
Statement I states that seed dormancy is a result of endogenous control, which is true. Endogenous factors within the seed, such as hormones and genetic mechanisms, regulate the dormancy period and prevent germination until certain conditions are met.
Statement II suggests that delayed germination is advantageous to plants. However, this statement is incorrect. Delayed germination is not universally advantageous to plants. While some seeds may benefit from delayed germination to ensure favorable environmental conditions for growth and survival, other seeds may have evolved strategies for immediate germination. The advantage of delayed germination depends on the specific ecological context and the species involved.
Statement III states that an impermeable and hard seed coat results in the dormancy of the seed, which is true. A hard and impermeable seed coat can prevent water uptake and gas exchange, thus inhibiting germination. This dormancy mechanism ensures that the seed remains dormant until conditions are favorable for germination, such as sufficient moisture, temperature, or light.
In conclusion, statements I and III are correct regarding seed dormancy. Seed dormancy is controlled by endogenous factors, and an impermeable and hard seed coat can contribute to the dormancy of the seed. However, statement II, suggesting that delayed germination is advantageous to plants, is incorrect.
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what are the fundamental differences, in terms of energy source and chemical end products, between photosynthesis and cellular respiration?
Answers
Water, light energy, and carbon dioxide are the reactants that make glucose and oxygen in photosynthesis.
In cellular respiration, on the other hand, oxygen and glucose react to generate water and carbon dioxide. The primary goal of photosynthesis is to transform solar energy into chemical energy that may be utilized to produce food. Cellular respiration is the process by which organisms (animals and plants) break down sugar in the presence of oxygen in order to release energy in the form of ATP.
In cellular respiration, the products and reactants of photosynthesis are reversed: Carbon dioxide and water, which are byproducts of cellular respiration, are the reactants of photosynthesis. The products of cellular respiration are oxygen and sugar, which are reactants.
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Which biome is found at the equator on every continent? A. Tropical Rainforests B. taiga/coniferous forests D. Mediterranean/chaparral
Answers
D.
Mediterranean/chaparral
If 1 orca whale eats 78 salmon, 1 salmon 16 eats herring, 1 herring eats 38
zooplankton, 1 zooplankton eats 13 phytoplankton and the phytoplankton
each have 4 DDT, what would be the concentration of DDT for the orca
whale?
Answers
Therefore, the concentration of DDT in the orca whale's body would be approximately 3,533 DDT/kg.
Using the given information, we can calculate the total number of phytoplankton consumed by a single orca whale:
1 orca whale eats 78 salmon
1 salmon eats 16 herring
1 herring eats 38 zooplankton
1 zooplankton eats 13 phytoplankton
Therefore, 1 orca whale eats:
78 salmon × 16 herring/salmon × 38 zooplankton/herring × 13 phytoplankton/zooplankton = 4,858,688 phytoplankton
Since each phytoplankton has 4 DDT, the total amount of DDT consumed by the orca whale would be:
4,858,688 phytoplankton × 4 DDT/phytoplankton = 19,434,752 DDT
Assuming that the body weight of an orca whale is 5,500 kg and that all the DDT consumed by the whale is distributed uniformly in its body, we can calculate the concentration of DDT in the whale's body:
Concentration of DDT in the whale's body = 19,434,752 DDT / 5,500 kg = 3,533 DDT/kg
Therefore, the concentration of DDT in the orca whale's body would be approximately 3,533 DDT/kg.
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How is photosynthesis and cellular similar, and how are they different?
Answers
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.
Is the structure of DNA and replication of the DNA basically the same or basically different in bacteria and eukaryotes? Would a plant be able to replicate bacterial DNA that was inserted into the plant genome? Justify your answer.
Answers
The structure of DNA and the replication of DNA is fundamentally the same in both bacteria and eukaryotes. However, there are a few differences between the two that could result in significant variations. In both eukaryotes and bacteria, DNA replication begins at the origin of replication and proceeds in both directions.
DNA replication in eukaryotes, on the other hand, occurs in a compartment known as the nucleus, whereas DNA replication in bacteria occurs in the cytoplasm. Additionally, bacteria have a single origin of replication, whereas eukaryotes have many origins of replication.A plant would be able to replicate bacterial DNA that was inserted into its genome since the DNA structure is conserved throughout the animal and plant kingdoms.
The bacterial DNA will replicate, and the plant cells will produce bacteria proteins as a result of the inserted bacterial DNA, which will then perform its bacterial functions. The DNA's coding sequences and structural features are conserved between bacteria and plants, despite the fact that their regulatory sequences differ, which allows the DNA to be replicated and utilized in plants.
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Which biome on the planet experiences relatively small precipitation amounts and the dominant vegetation are coniferous trees?
-tropical rain forest
-savanna
-taiga
-tundra
Answers
The cell membrane of an animal cell is damaged due to bacterial infection which function is most immediately affected by the damage
Answers
Answer:
The control of what substances can enter or leave the cell.
Explanation: