Biology EOC review

Front

What must be true for a recessive trait to be seen?

Back

Two recessive alleles must be present.

Front

At which trophic level are tertiary consumers located?

Back

Tertiary consumers are located at trophic level 4.

Front

What is the idea that evolution occurs in spurts of time?

Back

Punctuated equilibrium.

Front

What type of genetic drift occurs when the population size is greatly decreased?

Back

Bottleneck Effect.

Front

What is the cell needed by a virus to reproduce called?

Back

Host Cell.

Front

What is a dominant allele?

Back

An allele that expresses its trait even when only one copy is present.

Front

What is a recessive allele?

Back

An allele that expresses its trait only when two copies are present.

Front

What is the role of producers in an ecosystem?

Back

Producers create energy through photosynthesis.

Front

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

Back

A food chain is a linear sequence of energy transfer, while a food web is a complex network of interconnected food chains.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.