the answer is A.RIBOSOMES
Drug resistance exists among all individuals in a population.
Heritable variation does not exist among individuals in a population.
Environmental variation exists for traits among individuals in a population.
Answer:
Heritable variation exists for traits among individuals in a population.
Explanation:
According to Darwin's theory of evolution, natural selection is the main evolutionary mechanism. Darwin explains that organisms that have heritable traits that help them survive and reproduce, will be favorable by natural selection. Those favorable traits will enable organism to better adapt to their environment and to pass more genes on to the next generation (offspring).
Organisms adapt to their environment by changing their behavior, structural traits or physiology as a response to environmental change, so that they become well suited to it.
A. The population increases next to a shoreline.
B. Sand along a shoreline is repeatedly picked up by waves.
C. Sediment is deposited by a river.
D. Running water cuts small channels into a slope.
Answer:
Green house gases are the type of gases present in the air which have the ability to trap heat of the earth's surface. Gases like carbon dioxide and methane are found naturally and are known to play an important role in earth's climate. If they are not found the earth' s climate would be too cold creating problem for survival of life on the earth.
These green house gases absorb the emit the radiation in the thermal infrared range. These gases act like a blanket and save earth surface from infrared radiation by absorbing them and prevent them from escaping out of the earth surface.
But now a days due to increased in the concentration of green house gases like carbon dioxide and methane due to pollution and deforestation causing a great problem called as green house effect which lead to global warming and it a great concern for all the people now a days.
Greenhouse gases refer to the gases, which are crucial to maintaining a suitable temperature for life on Earth. Examples are methane, carbon dioxide, and nitrous oxide.
Greenhouse gases such as water vapor, methane, fluorinated gases, and carbon dioxide trap the sunlight and raise the temperature of the Earth keeping it warm.
The gases are a concern for the environment and life on earth as in the absence of these gases, the Earth's climate will be extremely cold and chilly.
These gases act as a protective blanket, saving them from infrared rays and other harmful rays. Also, the increased emission of these gases is leading to global warming, which is one of the major threats to life on Earth.
Thus, greenhouse gases are essential but their increased emission is a major concern for the planet.
Learn more about greenhouse gases here:
differentiate living and non-living things.?
Difference Between Living & Non-Living Things.
Answer:
To List Is:
i) Excretion
ii) Sensitivity
iii) Growth
iv) Reproduction
v) Respiration
vi) Nutrition
Explanation: Description:
(a) Excretion: Is the process by which living things remove metabolic waste substances from the body.
(b) Sensitivity: Is theprocess by which living things responds to stimuli or touch.
(c) Growth: Is the process by which living things increases in weight, height or size.
(d) Reproduction: Is the process by which living things produce young ones of their own.
(e) Respiration: Is the process by which living things breathe or respire [carbon dioxide/oxygen] in order to obtain energy for their activities.
(f) Nutrition: Is the process by which living things obtain or make food or feed.
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B) realism
C) postmodernism
D) modernism