APES Unit 1 Review

Front

What is the correct sequence for energy flow within an ecosystem?

Back

Producers → herbivores → carnivores → scavengers.

Front

What type of relationship does a tapeworm have with its human host?

Back

Parasitism.

Front

Where is carbon stored in the environment?

Back

Fossil fuels, wood of trees, calcium carbonate (shells and bones), all of the above.

Front

What does the direction of an arrow in a food chain represent?

Back

The flow of energy from organism A to B.

Front

What effect does an algal bloom have on the oxygen content of water?

Back

It decreases the oxygen content, leading to hypoxic conditions.

Front

Define producers in an ecosystem.

Back

Organisms that produce their own food through photosynthesis, such as plants.

Front

What are herbivores?

Back

Animals that primarily eat plants.

Front

What are carnivores?

Back

Animals that primarily eat other animals.

Front

What is the role of scavengers in an ecosystem?

Back

Organisms that consume dead animals and help in decomposition.

Front

What is the definition of symbiosis?

Back

A close and long-term interaction between two different species.