Darwin's analysis of his data gathered during his voyage led to the theory of evolution by natural selection, proposing that organisms with advantageous traits will survive and reproduce more effectively than those without such traits (option A).
Charles Darwin's pivotal research during his five-year voyage, particularly in South America and the Galápagos Islands, led him to propose a groundbreaking theory in the field of biology. After analyzing his data, he concluded that organisms with helpful traits have a better chance of surviving longer and producing more offspring than those without such traits (option A). This is the core concept of Darwin's theory of evolution by natural selection.
On the Galápagos Islands, Darwin observed that the traits of giant tortoises varied from island to island, corresponding to the specific environmental conditions of each island. For instance, tortoises that had long necks were better suited to reach higher vegetation and thus had a selective advantage in environments with taller plants. Over many generations, these advantageous traits would be passed down, leading to a gradual adaptation of the species to its environment.
If water vapor continues to increase in our atmosphere, what changes would you expect in fresh water lakes?
A: lake temperatures will decrease, but dissolved oxygen in water will increase.
B: lake temps will decrease along with dissolved oxygen.
C: lake temps will increase, but dissolved oxygen will decrease.
D: lake temps will increase along with dissolved oxygen.
Answer: Option (C)
Explanation:
Temperature and dissolved oxygen is inversely proportional to each other i.e if temperature is high then dissolved oxygen will be low and if temperature is low then dissolved oxygen will be high.
Thus, we can conclude that when the water vapor content increases in the atmosphere, the lake temperature eventually will rise whereas the dissolved oxygen will get subsequently reduced.
Hence the correct option is (C)
How can transposable elements promote functional genetic diversity in a population?
The answer is a transposable element may cause genetic diversity by any of the above methods. A rapid way for natural evolution to alter a protein-coding gene so it encodes a protein with a different structure and function. The results often duplicate transposition of the same genetic material.
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Which of the following shows the evolutionary relationships between organisms? Branching tree diagram Binomial nomenclature Three-domain classification Taxonomic key
Answer:
the branching tree diagram
Extremely high temperatures and pressures are necessary for fusion reactions to take place in stars. Please select the best answer from the choices provided
True
Or
False
What fossil fuel is responsible for 40% of the United States power generation
It's Gasolien.
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The general movement of low-pressure centers across the United States is from _____
The general movement of low-pressure centers across the United States is from West to east
Temperatures in the US are cooler than they are nearer to the equator, so air pressure is moderate than it is in the tropics. Because wind flows table clockwise nearby low pressure, winds normally blow from west to east, shifting weather operations to the east.
Generally, dominant winds blow east-west rather than north-south. This occurs because Earth's revolution creates what is perceived as the Coriolis effect. The Coriolis effect creates wind systems rotate counter-clockwise in the North Hemisphere and clockwise in the South Hemisphere
Low-pressure centers move from west to east across the United States due to prevailing westerly winds.
The general movement of low-pressure centers across the United States is from west to east. In the Northern Hemisphere, weather systems, including low-pressure centers (also known as cyclones), tend to move in an eastward direction due to the rotation of the Earth.
This eastward movement is often referred to as "westerly flow" and is a result of the Coriolis effect, which deflects moving air masses to the right in the Northern Hemisphere.
This means that low-pressure systems typically approach the western United States and then move eastward, affecting different regions as they travel across the country.
This eastward movement of weather systems is a fundamental aspect of the United States' weather patterns.
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Which structure allow the flow of gases in and out of a leaf
Answer:
The correct answer is stomata.
Explanation:
The leaf structure is adapted for gas exchange between plants and the environment. The cells in the spongy mesophyll have tiny pores, termed as stomata, present in the leaf surface. Most of the stomata are found in the lower epidermis. These tiny pores control gas exchange. Opening and closing of stomata depend on the guard cell turgidity.
Diffusion of oxygen, carbon dioxide and water vapor in and out of the leaf is highest when these stomata are open.
Thus, the correct answer is stomata.
1. Which biotic factors do you see in the photo?
2. Which abiotic factors can you detect in this photo?
3. In what ways does one biotic factor interact with the abiotic factors?
4. Pick one biotic factor and change it dramatically somehow. How will this change affect the aquarium?
5. Pick one abiotic factor and change it dramatically somehow. How will this change affect the aquarium?
Answer:
1. Biotic components of the ecosystem refer to all the living organisms present in the ecosystem. So, fishes and plants would be the biotic components.
2. Abiotic components of the ecosystem refer to the physical or non-living component of the ecosystem. Thus, water and rocks would form the abiotic component of the given ecosystem.
3. The biotic and abiotic components are linked through energy flow and biogeochemical cycles. For example, fishes get oxygen from water and excrete their waste product in the water. Similarly, plants also get carbon dioxide and water for photosynthesis from the abiotic component.
4. Change in the biotic component would disturb the whole ecosystem. For example, if plants are reduced or removed from the ecosystem, enough amount of food and oxygen would not be produced. Similarly, if the number of fishes is increased to a large number, then it might be difficult for the ecosystem to sustain for a long time.
5. The abiotic component is also essential for the ecosystem. Any change in the abiotic component can produce severe effects on the ecosystem. For example, if water is removed or highly polluted then the living organisms would not be able to survive in the ecosystem.
Which of the following is true about how science is used to solve a problem?
It is affected by social concerns.
It is unaffected by political concerns.
It is not influenced by economic conditions.
It is not determined by external local factors.
Answer:
It is affected by social concerns.
Explanation:
Scientific thinking is useful for everyone in everyday life, not only for scientists, so it is important to know social concerns in order to solve various problems of society in general.
What is the main genetic issue of neurofibromatosis? Why does that cause a disease or issue?
what happens if arthritis destroys cartilage in a joint?
Which statement presents a commonly-found format for hypothesis
how to make punen square
A student
conducted an experiment that used two rose plants to determine if a liquid formula for fertilizer was better than a dry formula. He tested each fertilizer on a single plant for one , and he concluded that the liquid formula was better. When he described his conclusion to his , she told him he needed to conduct additional trials. The most likely asked for additional trials because
Answer:
A scientific experiment is designed in a way that it includes all the variables to be tested as well as the control group.
In the given question, the student performed the experiment to test if liquid fertilizer is better than dry fertilizer or not?
So, to test this student performed the experiment on a small sample size that is only one plant and lacked a control group which could act as a reference to the experiment. Therefore the additional trial should include a large sample size to remove the error and the control group which provide data to compare.
There are three parts to the cell theory. Which is NOT one of those parts?
Select one:
a. Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
b. The cell is the basic unit of structure and organization in organisms.
c. All cells come from pre-existing cells.
d. All organisms are composed of one or more cells.
Answer:
a. Cells spontaneously arise from carbon and nutrients carried in the bloodstream is not the part of the cell theory.
Explanation:
Cell theory is a biological hypothesis that states that all beings are made up of cells, that cells are the basic structural/organizational unit of all organisms, and that all cells originate from pre-existing cells. It was first proposed in the mid-nineteenth century.
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Trees maintain the balance between gases in the air, removing carbon dioxide from the air and releasing oxygen.
Answer:
Photosynthesis is correct answer.
Explanation:
Various gases are found in the atmosphere, Oxygen and carbon dioxide are the two most important gases for the survival of plants and animals. Animals and human beings require oxygen to stay alive, while plants need carbon dioxide for producing food and photosynthesis. Animals breathe the oxygen which is prepared by the plants. Marine animals also take oxygen dissolved in Oxygen. Plants use the process of photosynthesis for producing oxygen, during this process plants take in the carbon dioxide through the tiny openings on their leaves and release the oxygen as a waste product.
the inheritance of genetic traits from parents to children follows predictable rules. Knowing that each parent contributes genes equal to each child what determines an inherited trait such as eye color
The correct answer is...
The interaction between dominant and recessive genes.
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Oak trees produce seeds that are contained in acorns. Blue jays eat the seeds in acorns. Blue jays also collect acorns and hide them in the ground, often far away from the parent oak tree. Blue jays do not eat the seed of every acorn they hide. How do oak trees benefit from blue jays’ collecting and hiding acorns? *
1 point
The oak trees are pollinated by the blue jays.
The oak trees are protected from other herbivores.
The seeds of oak trees are protected from the sun.
The seeds of oak trees are planted in new environments.
How many chromosomes are in a human sperm cell? *
Which of these is an inherited trait? *
1 point
braided hair
pierced ears
ability to read
eye color
Hello!
1) D) The seeds of oak trees are planted in new environments.
2) D) eye color
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All animals share the following characteristic: a. being a consumer c. not having cell nuclei b. having cell walls d. budding
Where does the light energy of a glowing light wand come from?
Answer: ir would be the chemical energy of the fluids incide the wand
Explanation:
Human evolution is a subject of much discussion. Humans share many traits with other apes yet over the millennia, humans have evolved the specific traits that make them unique. Above are four steps of many that occurred sometime 5.5 million years. Reorganize the step in the most likely order of evolution.
HELPPPP
What type of volcano will most likely form when an eruption takes place with explosive force and layers of ash accumulate? Cinder cone volcano ,Composite volcano, Crater volcano, Shield volcano
what is the importance of active secretion in the production of urine in the kidney nephron?
Tina is a climate scientist. She wants to investigate weather patterns from further back than the last 150 years. What sources can Tina use in her research?
I took the test on Plato and got it correct. The answer is Tree Rings and Ice Cores (if there is a second option)
The only known galaxy exhibiting blue shift is the ____________________.
Answer:
what he said
Explanation:
In double stranded DNA, 13% of the strand is found to be adenine. How much would you expect thymine to be present?
13%
74%
26%
37%
The amount of thymine in double stranded DNA would be equal to that of adenine, which is 13%, according to Chargaff's rules.
Explanation:In double stranded DNA, if 13% of the bases are adenine (A), then we can expect the same percentage, 13%, to be thymine (T) according to Chargaff's rules. This is because adenine always pairs with thymine, forming hydrogen bonds. Hence, the amount of adenine equals the amount of thymine in a DNA molecule. Consequently, the percentage of thymine present would also be 13%, making option A the correct answer.
which organelle is used as a temporary storage for Water, waste products, food, and other cellular material?
a) mitochondrion
b) lysosome
c) centriole
d) vacuole
the answer is the vacuole
What is produced by the end of the cell cycle
Correct answer is: two identical daughter cells
Which of the following is most likely to happen if a cell is not able to divide?
The cell will create two identical daughter cells.
The cell will absorb oxygen during photosynthesis.
The cell will not be replaced when it is damaged.
The cell will not release carbon dioxide during respiration.
The most likely to happen if a cell is not able to divide is The cell will not be replaced when it is damaged.
Why is it important for the daughter cells to divide a second time in meiosis?Because meiosis makes cells that are fated to become gamete this decrease in chromosome number is required without it, the association of 2 gametes during fertilization.
Thus, option "C" is correct, is most likely to a cell is not able to divide.
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Jupiter, Saturn, Uranus, and Neptune are a known as ________. a. terrestrial planets c. dwarfs b. ringed giants d. gas giants Please select the best answer from the choices provided A B C D
Answer : Option D gas giants
Explanation :
A gas giant is a plant that is large in size and is mainly made up of hydrogen and helium and hence, the name.They are also known as failed stars as their composition is the same as that of stars.They have a very small rocky core.Jupiter, Saturn, Uranus and Neptune are the four gas giants that are present in our solar system as they have the characteristics described above.