Evolution Flashcardizz 24-25

Front

What does it mean that a trait is heritable?

Back

It can be passed from parents to offspring.

Front

What is the process by which organisms better suited to their environment tend to survive and reproduce?

Back

Natural selection.

Front

How many sea turtle eggs typically survive to become adults?

Back

About 1 or 2 out of 1000.

Front

What is a measure of how well adapted an organism is to a particular environment?

Back

Fitness.

Front

What is the process of one species branching off to create 2 or more new species called?

Back

Speciation.

Front

What is genetic drift?

Back

A mechanism of evolution that refers to random changes in the frequency of alleles in a population.

Front

What is an adaptation?

Back

A trait that increases an organism's chances of survival and reproduction in a specific environment.

Front

What is the difference between natural selection and artificial selection?

Back

Natural selection occurs naturally, while artificial selection is the process by which humans breed organisms for specific traits.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Front

What is a genotype?

Back

The genetic constitution of an individual organism.