Homeostasis Storyline Mid-point Review Periods 8 & 9

Front

What is Homeostasis?

Back

Homeostasis is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation.

Front

What is a limiting factor in an ecosystem?

Back

A limiting factor is something in the environment that keeps a population from steadily increasing.

Front

What happens to organisms that die in the ocean over time?

Back

Organisms that die in the ocean may sink to the bottom and form limestone rock over a period of time.

Front

What is a keystone species?

Back

A keystone species is an organism that has a crucial impact on the ecosystem.

Front

How do you calculate what percentage one number is of another?

Back

To calculate what percentage one number is of another, divide the part by the whole.

Front

What is feedback regulation in homeostasis?

Back

Feedback regulation is a process that helps maintain homeostasis by adjusting physiological processes based on changes in the internal environment.

Front

What is the carrying capacity of an ecosystem?

Back

The carrying capacity is the maximum population size that an environment can sustain indefinitely.

Front

What role do producers play in an ecosystem?

Back

Producers are organisms that create their own food through photosynthesis or chemosynthesis, forming the base of the food chain.

Front

What is the difference between a consumer and a producer?

Back

Consumers are organisms that cannot produce their own food and rely on consuming other organisms, while producers create their own food.

Front

What is a trophic cascade?

Back

A trophic cascade is an ecological phenomenon triggered by the addition or removal of top predators, which causes changes in the ecosystem.