BCHS Biology Fall Exam Review 2024

Front

What is a mutualistic relationship?

Back

A relationship where populations rely on each other.

Front

What is the effect of emigration on a population?

Back

Decreases genetic diversity.

Front

What is the effect of the bottleneck effect on a population?

Back

Reduces genetic diversity.

Front

In an energy pyramid, which organism has the least amount of energy available?

Back

Top Predator.

Front

What do molecular homologies indicate?

Back

Common ancestry.

Front

Define biodiversity.

Back

The variety of life in a particular habitat or ecosystem.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

Explain the concept of carrying capacity.

Back

The maximum number of individuals an environment can sustainably support.

Front

What is natural selection?

Back

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

Front

Define genetic drift.

Back

A change in the frequency of an existing gene variant in a population due to random sampling.