Explain how an element like carbon can be included in both the biotic and abiotic factors of an ecosystem

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

In which situations is the principle of cross-cutting relationship useful in determining relative age?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?