Midterm Review Environmental 2018- Part 2

In the ___ zone, the water is cool and dark.

The main factor that determines what type of plants grow in a biome is

What are the two main types of freshwater wetlands?

Why doesn't photosynthesis occur in deep ocean water?

The difference between a predator and a parasite is that a predator

The distance north or south of the equator, as measured in degrees, is called

Which organism produces most of the food in an aquatic ecosystem?

Biomes with higher temperatures and less precipitation tend to have

Plants play a crucial role in the carbon cycle because they

Which is responsible for making nitrogen in the atmosphere usable by living organisms?

Which organism is likely to be in the bottom trophic level of a food chain?

If you visited a savanna, you would likely see

In which of the following relationships is neither species harmed?

Estuaries are very productive ecosystems because they receive fresh nutrients from

What term is used to refer to the many feeding relationships possible in an ecosystem?

What type of succession occurs after a natural process such as a flood?

Estuaries

What causes most coastal pollution in the United States?

Each of the following is an example of a parasite except

As you travel from the North Pole toward the equator, you would expect to see

The density of a population is

An example of a population is

Which of the following organisms has the highest reproductive potential?

Which of the following is threat to coral reefs?

Tropical rain forests are threatened by