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3rd Gr Sci Unit 3 Lesson 2 Artificial Selection

Total questions: 21

Worksheet time: 7mins

Name
Class
Date
1.

What is an "inherited trait"?

a)

A skill that a living thing learns from its environment

b)

A trait of a living thing that comes from its parents

c)

A characteristic that a living thing develops over its lifetime

d)

A random variation that occurs in a species

2.

What is a "trait"?

a)

A learned behavior of a living thing

b)

A physical location where a living thing resides

c)

Something you can observe about a living thing, such as the pointy ears of a dog

d)

The genetic code found within a living thing

3.

What does the term "artificial selection" refer to?

a)

The natural process by which animals adapt to their environment

b)

The process of humans choosing certain traits of living things so that they are passed to the offspring

c)

The survival of living things without any human intervention

d)

The random mutation of genes in living organisms

4.

What does "extinct" mean?

a)

A species that is endangered and at risk of extinction

b)

A type of living thing that is thriving and increasing in number

c)

A type of living thing that once lived on Earth, but no longer exists

d)

A living thing that has evolved into a new species

5.
Domesticated dogs are an example of:
a)
Natural Selection
b)
Selective/Artificial Breeding
6.

What defines a "species"?

a)

A group of living things that can interbreed but do not produce offspring

b)

A single living thing that is unique from others

c)

One specific kind of living thing that has similar characteristics and can produce offspring with one another

d)

A classification for a group of different living things that share the same habitat

7.
The altering of corn to produce more kernels with much more sugar is an example of:
a)

Natural Selection

b)

Selective/Artificial Breeding

8.

What does "variation" mean in the context of biology?

a)

The unchanging characteristics of a species

b)

The identical traits shared by all members of a species

c)

The different versions of a trait, such as the size of a dog

d)

The lack of diversity within a species

9.

Breeding animals with a desired/wanted trait....

a)

genes

b)

brushing hair

c)

selective breeding

d)

dog and wolf

10.

Giraffes and Okapis are related animals. Why do they look different?

a)

One is better than the other.

b)

Giraffes eat leaves.

c)

Variation in their traits makes them look different.

d)

Okapis aren't real.

11.

Match this parent with its offspring.

a)
b)
c)
d)
12.

A cat has similar traits as a(n)

a)

eagle

b)

lion

c)

chicken

d)

dolphin

13.

A rat has a similar trait as a(n)

a)

mouse

b)

spider

c)

dog

d)

human

14.
Evidence shows that the wolf is the ancestor to all of the breeds of dogs shown below. How did this variation arise in a relatively short period of time?
a)
A.  Genetic manipulation
b)
Natural selection
c)
Random chance
d)
Selective breeding
15.
Which term refers to a farmer choosing the best corn from this year to plant next year?
a)
natural selection
b)

artificial selection

c)
genetic engineering
d)
genetic transformation
16.

The purpose of selective breeding is to

a)

Get bigger animals and plants

b)

Get smaller animals and plants

c)

Create animals and plants with desirable traits

d)

Create animals and plants with bad traits

17.

In order for two animals to have a baby, what must be true?

a)

The animals must be the same height.

b)

The animals must be the same breed.

c)

The animals must be the same species.

18.

What do we call the process where we choose one trait of an animal and breed it with another of the same animal with that same trait to make babies with that trait?

a)

differentiation

b)

selection

c)

pickation

19.

A few thousand years ago there was only 1 breed of dog. What did it look like?

a)

It was very small and had long hair

b)

It looked like a medium sized wolf.

c)

It was very large and looked like a bear

20.

Who were the first people to change this first dog?

a)

Chinese royalty

b)

The President of the United States

c)

The kings of Australia

21.

One scientist has come up with an idea to create a pet dinosaur using what animal?

a)

iguana

b)

duck

c)

chicken