Environmental Changes — Unit test Answers

Favorable adaptations build up in a population over many generations due to long-term environmental change.What is the most likely result of this process?

A group of the same species of salmon lives in a stream. Which level of organization does this best describe?

Which environmental change is considered short term?

Which example describes biotic factors interacting with the environment?

What effect would El Niño most likely have on organisms?

Which is one effect that would most likely result from a tsunami?

Which event would most likely cause a competition for water?

Several cheetahs are growling at each other while hunting for animals. For which need are they competing?

Study this image of a geologic time scale.

What caused Earth's oceans to begin forming during Precambrian Time?