Evolution and Natural Selection

Front

According to Darwin’s theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to the

Back

possession of inherited adaptations that maximize fitness.

Front

____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species. Options: natural selection, artificial selection, speciation, adaptation

Back

natural selection

Front

What is necessary for speciation to occur?

Back

isolation

Front

Which of the following means "change over time"? Options: natural selection, speciation, evolution, isolation

Back

evolution

Front

The differences among a species, like different bird beaks, are called

Back

variations

Front

___ are mistakes in the DNA that cause variation within a species.

Back

mutations

Front

Any inherited trait that gives an organism an advantage in its environment is called ___.

Back

an adaptation

Front

Organisms with the most beneficial traits will survive. This is commonly known as ___

Back

survival of the fittest

Front

Most organisms have more offspring than will survive.

Back

True

Front

Why are advantageous traits more likely to be passed on to the offspring?

Back

Because parents with those traits can survive and reproduce better