Africa Storyline Unit Review

Front

If there are 2,000,000 kcal available at the producer level, how many kcal will be available at the secondary consumer level?

Back

20,000 kcal

Front

Buffalo need to consume 100 kcal per kilogram of body weight each day. If a buffalo weighs 500 kg, how many kcals does it need to eat per day?

Back

50,000 kcal

Front

What are terms associated with the bird in the food web?

Back

Carnivore, secondary consumer, heterotroph

Front

What is a keystone species?

Back

A species that keeps the ecosystem balanced and if removed it would fall apart.

Front

What is an enzyme?

Back

A biological catalyst that speeds up chemical reactions in living organisms.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food through photosynthesis or chemosynthesis.

Front

Define secondary consumer.

Back

An organism that eats primary consumers; typically carnivores or omnivores.

Front

What is a food web?

Back

A complex network of feeding relationships among organisms in an ecosystem.

Front

What is the role of herbivores in an ecosystem?

Back

Herbivores are primary consumers that eat plants and transfer energy to higher trophic levels.

Front

What is the 10% rule in ecology?

Back

Only about 10% of the energy from one trophic level is transferred to the next level.