They help in that, many recently discovered fossils form series that trace the evolution of modern species from extinct ancestors. Patterns in the distribution of living and fossil species tell us how modern organisms evolved from their ancestors. Evolutionary theory explains the existence of homologous structures adapted to different purposes as a result of descent with modification from a common ancestor.
ATMOSPHERE LAYERS: Troposphere, Stratosphere, Mesosphere and Thermosphere
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Answer:
Because the sika has more than one main food source incase all the shrubs die it can move on to the grass without a problem.
Explanation:
So the answer is A.
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Answer:
To show the flow of energy through ecosystems, food chains are sometimes drawn as energy pyramids. Each step of the pyramid represents a different trophic level, starting with primary producers at the bottom. The width of each step represents the rate of energy flow through each trophic level.
Explanation:
