Unit 4 Eco Relationship Flashcard

Front

What is the correlation between the amount of available niches an ecosystem has and the amount of biodiversity it has?

Back

more niches, more biodiversity

Front

What is the predator-prey cycle?

Back

A cycle describing the fluctuating population sizes of predator and prey species over time due to their interactions.

Front

In a predator–prey cycle, what happens when the prey population increases?

Back

The predator population increases.

Front

What does an energy pyramid represent in an ecosystem?

Back

The energy available at each trophic level

Front

According to the 10 percent rule, if a trophic level has 1000 units of energy, how much energy would you find in the next trophic level?

Back

100 units

Front

What is the SOURCE of energy in any food web or chain?

Back

Sun

Front

In an energy pyramid, which group of organisms forms the base?

Back

Producers

Front

In a food chain, energy is transferred from one trophic level to the next. What happens to the energy that is not transferred?

Back

It is lost as heat

Front

How would you describe the rain forest biome?

Back

It has high biodiversity