Uit 10: Ecology Review

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms.

Front

What is a density-dependent factor?

Back

A factor that depends on the population size, such as disease.

Front

What type of population growth is characterized by a logistic curve?

Back

Logistic growth.

Front

What happens to carbon levels in the atmosphere if the plant population decreases?

Back

The amount of carbon in the atmosphere would increase.

Front

What role does a rabbit play in a food web?

Back

The rabbit is considered a Primary Consumer.

Front

Define a food chain.

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a single pathway of energy flow, while a food web consists of multiple interconnected food chains.

Front

What is carrying capacity?

Back

The maximum population size that an environment can sustain indefinitely.

Front

What is an example of a density-independent factor?

Back

Natural disasters, such as hurricanes or floods.

Front

What is the role of producers in an ecosystem?

Back

Producers, like plants, convert sunlight into energy through photosynthesis.