APES Unit 1 & 2 Finals Review

Front

What is the formula to calculate Net Primary Productivity (NPP)?

Back

NPP = GPP - Respiration

Front

Define predation in ecological terms.

Back

Predation is when one organism uses another for energy; one benefits, one suffers.

Front

What characterizes a generalist species?

Back

A generalist species has a broad diet and can thrive in a wide variety of living conditions.

Front

Where is the naturally occurring good ozone layer located?

Back

The good ozone layer is located in the stratosphere.

Front

What are detritivores?

Back

Detritivores are organisms that feed on dead or decaying matter.

Front

What is Gross Primary Productivity (GPP)?

Back

GPP is the total amount of carbon fixed by photosynthesis in a given area and time.

Front

Explain the difference between a food chain and a food web.

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic material, recycling nutrients back into the ecosystem.

Front

Define biodiversity and its importance.

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem; it is important for ecosystem resilience and function.

Front

What is the significance of keystone species?

Back

Keystone species have a disproportionately large impact on their environment relative to their abundance.