This statement is true. because the fish in the ocean have over the years learned to adapt and hide from predators.
All energy Earth receives from the sun is turned into energy for other things like food and nutrients.<span />
Answer:
the answer is respiration
Answer:
The correct answer is - Gradualism.
Explanation:
Gradualism is the theory that new species evolved from existing species through progressive, frequently subtle changes as opposed to through unexpected, significant changes. The little changes are accepted to bring about distinguishable changes over long periods of time.
Gradualism is a model that explains the process of evolution that alludes to the minuscule varieties in a life form or in the society that occur after some time to improve a fit for creatures and people in their condition. These varieties permit them to endure and flourish, bringing about the moderate and predictable procedure of progress in the entire populace.
Thus, the correct answer is - Gradualism.
Answer:
Oxygen levels stay above 15 percent starting 200 million years ago
Explanation:
Atmospheric oxygen levels are related to the evolution on Earth and changes in geochemical cycles that involve climate variations.
The presence of O
2 and evolution of oxygen gave new opportunities to the life on Earth. Oxygen levels in atmosphere have fluctuated between 15% and 35% of atmospheric volume, since the start of the Cambrian period.
So, form the starting 200 million years ago, oxygen level stay above 15 percent and the correct option is "B".
