NEW
Font size
WorksheetsNatural Selection Vocab and Examples
Total questions: 10
Worksheet time: 10mins
What term means "how well an organism survives and reproduces in its environment?"
mutation
variation
fitness
adaptation
What term means, "any changes in an organism's DNA?"
mutation
variation
fitness
adaptation
What is the term for, "slight differences in a population?"
mutation
variation
fitness
adaptation
What word means, "a special trait that helps an organism survive in its environment?"
mutation
variation
fitness
adaptation
Natural selection is when the organisms with the best traits do what?
starve and die
survive and reproduce
survive and fly away
stay the same and reproduce
Think about the rock pocket mice. How did some of the mice first have dark fur?
mutation
fitness
adaptation
survival
What happened in the pocket mouse environment to cause the dark surface?
a river washed away the light dirt
farmers plowed the ground
a volcano erupted, leaving black lava rock
Predators of the pocket mouse use what sense to find the mice?
smell
sight
hearing
How did the population of mice change on the dark lava rocks?
predators only ate the light ones they could see; the dark ones survived and reproduced
predators only ate the dark ones they could see; the light ones survived and reproduced
the light mice could not find food and died
the dark mice could not find food and died
Dark fur started as a mutation. Once the environment changed, that mutation was helpful to the mice. Now the dark fur is a special trait that helps it survive. What word?
adaptation
variation
natural selection
fitness
