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Natural Selection

Total questions: 18

Worksheet time: 20mins

Name
Class
Date
1.

traits that organisms develop over a lifetime (not born with the traits!)

a)

acquired traits

b)

inherited traits

2.

features that are passed from one generation to the next

a)

acquired traits

b)

inherited traits

3.

Dimples

a)

inherited trait

b)

acquired trait

4.

being bilingual (speaking 2 languages)

a)

acquired trait

b)

inherited trait

5.

knowing how to swim

a)

acquired trait

b)

inherited trait

6.

losing your finger in a fireworks accident

a)

acquired trait

b)

inherited trait

7.

callouses on your feet from walking all day

a)

acquired trait

b)

inherited trait

8.

being a good cook

a)

acquired trait

b)

inherited trait

9.

how tall you are

a)

acquired trait

b)

inherited trait

10.

training your dog to catch a frisbee

a)

acquired trait

b)

inherited trait

11.

fur color

a)

acquired trait

b)

inherited trait

12.

What is the definition of a genetic variation?

a)

no variation in traits

b)

same traits in a population

c)

The differences in a specific trait in a population.

d)

acquired traits

13.

A snake population can have either brown or green-colored snakes.

They live in deserts, grassy areas, and forests.

What is the genetic variation in the snake population?

a)

green

b)

brown

c)

green or brown colored snakes

d)

snakes

14.

In the Arctic, white fur is a beneficial trait because it camouflages the rabbits so predators cannot see it against the snow

White fur improves the chance that a rabbit will survive, reproduce, and pass the trait of white fur on to its offspring

Dark fur would make it more visible to predators, making it more likely to be eaten 

What is the genetic variation in the rabbits?

a)

white fur

b)

dark fur

c)

white or dark fur

d)

rabbits

15.

In a peppered moth population, there are dark moths and light moths. Which moths would be successful in the dark environment?  Why?

4 lines
16.

In an elephant population, there are tuskless elephants and tusked elephants. Which elephants would be successful in an environment with lots of hunters?  Why?

4 lines
17.

Which beak would be successful in an environment with soft foods? Why?

4 lines
18.

Which beak would be successful in an environment with hard foods? Why?

4 lines