Biology Semester 1 Final Exam Review

Front

What does an energy pyramid represent?

Back

The amount of energy available to the next 'feeder' in a food web.

Front

What point on a population graph represents the carrying capacity?

Back

D

Front

What is an autotroph?

Back

An organism that produces its own food, typically through photosynthesis.

Front

What is a heterotroph?

Back

An organism that cannot produce its own food and must consume other organisms.

Front

Which animal is considered the apex predator?

Back

Hawk.

Front

What occurs during osmosis?

Back

Water moves from high to low concentration.

Front

Define carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is a food web?

Back

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

Front

What is 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 more complex network of interconnected food chains.