Unit Test: Eco/Evo

Front

Organisms that can produce their own source of food are called...

Back

Autotrophs are organisms that can produce their own food, typically through photosynthesis or chemosynthesis.

Front

The process by which individuals that are better suited to their environment survive and reproduce most successfully is called...

Back

Natural Selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a dichotomous key?

Back

A dichotomous key is a tool that allows the identification of organisms through a series of choices that lead the user to the correct name of a given item.

Front

Light colored tree trunks would favor which type of moth according to natural selection?

Back

Light colored moths would be favored because they are less visible to predators on light colored tree trunks.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms and their interactions with their physical environment.

Front

Define heterotrophs.

Back

Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy.

Front

What is the difference between natural selection and artificial selection?

Back

Natural selection is the process where organisms adapt to their environment naturally, while artificial selection is the intentional breeding of organisms by humans for desired traits.

Front

What are the main components of an ecosystem?

Back

The main components of an ecosystem include producers, consumers, decomposers, and the physical environment.

Front

What is speciation?

Back

Speciation is the evolutionary process by which populations evolve to become distinct species.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil and making them available for producers.