Amoeba Sisters Evolution

Front

What are analogous structures?

Back

Structures that perform the same function but do not share a common ancestor.

Front

What is the primary cause of genetic drift?

Back

Random chance events.

Front

What is gene flow?

Back

The transfer of genes between different populations.

Front

What is a vestigial structure?

Back

A structure that has lost all or most of its function.

Front

What does 'fitness' mean in a biological context?

Back

The number of offspring an organism produces.

Front

What are homologous structures?

Back

Structures that share a common ancestor and may perform different functions.

Front

What is natural selection?

Back

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

Front

What is mutation in the context of evolution?

Back

A change in the DNA sequence that can lead to new traits in a population.

Front

What is the significance of fossil records in evolution?

Back

Fossil records provide evidence of how species have changed over time.

Front

What is speciation?

Back

The process by which new species arise from existing species.