Homeostasis Storyline Review

Front

What is homeostasis?

Back

The process by which a living organism maintains stable internal conditions despite changes in the external environment.

Front

What do ocean populations need to maintain a healthy ecosystem?

Back

A balanced ratio of predators to prey.

Front

What is the average percentage of energy passed up the trophic levels of a food pyramid?

Back

10%.

Front

What is diffusion?

Back

The movement of atoms or molecules from an area of higher concentration to an area of lower concentration.

Front

Who is the secondary consumer in a community of Orcas, Otters, Urchins, and Kelp?

Back

Otters.

Front

What is a predator?

Back

An organism that hunts and eats other organisms.

Front

What is a prey?

Back

An organism that is hunted and eaten by predators.

Front

What role do producers play in an ecosystem?

Back

Producers, like plants, create energy through photosynthesis and form the base of the food chain.

Front

What is a food chain?

Back

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

Front

What is a food web?

Back

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