Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Growth, Development and Reproduction

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.
This process does not cause variation in a population. 
a)
sexual reproduction
b)
mutations
c)
asexual reproduction
2.

Offspring that are created by sexual reproduction...

a)

are identical to their father

b)

are identical to both parents

c)

have a mix of DNA from both their mother and father

d)

have completely different DNA than either of their parents.

3.
Which behavior most likely increases the chances of successful reproduction. 
a)
Lions hunting in packs. 
b)
Elephants keeping their young in the middle of the herd. 
c)
Birds migrating in the winter to warmer weather. 
d)
Skunks releasing a bad smell when they are approached by predators.
4.
This is the oval shaped part of a flower that contains pollen and is usually on the filament.
a)
anther
b)
sepal
c)
stamen
d)
stigma
5.
This is the top part of the pistil of a flower which is sticky to make pollen grains attach more easily.
a)
petal
b)
sepal
c)
filament
d)
stigma
6.
These are found at the bottom of the pistil of a flower; they are tiny egg cells that will become seeds.
a)
ovaries
b)
ovules
c)
anthers
d)
sepals
7.
How are plants adapted to allow animals to disperse their seeds?
a)
The seeds are able to float. 
b)
The seeds have hooks that attach to fur. 
c)
The seeds are light and have feathery attachments. 
d)
The seeds dry out and burst open. 
8.
Which is not a type of environmental factor that affects plant growth?
a)
Type of seed
b)
Amount of water
c)
Amount of light
d)
Type of soil
9.
A cat has genotype GG. It is...
a)
homozygous recessive
b)
heterozygous
c)
homozygous dominant
10.
A cat has genotype Gg. It is...
a)
homozygous recessive
b)
heterozygous
c)
homozygous dominant
11.
Brown eyes (B) are dominant to green eyes (b). What is the probability of a brown eyed offspring?
a)
25%
b)
75%
c)
0%
d)
100%
12.
Red flowers (R) are dominant to white flowers (r). What is the probability that an offspring will be heterozygous?
a)
100%
b)
75%
c)
50%
d)
25%
13.
All of these are phenotypes except
a)
brown hair
b)
gray fur
c)
heterozygous
d)
blue eyes
14.
Which is an example of a beneficial mutation?
a)
A giraffe having a shorter neck. 
b)
An owl having better night vision. 
c)
A lion having no sharp teeth. 
d)
A polar bear having black fur. 
15.
Evidence shows that the wolf is the ancestor to all of the breeds of dogs. How did this variation arise in a relatively short period of time?
a)
Genetic manipulation
b)
Natural selection
c)
Random chance
d)
Artificial selection
16.

You notice that male birds of a species are very colorful. You think that it makes them more reproductively successful. What evidence would support your claim?

a)

The more colorful males have more offspring.

b)

The more colorful males have less offspring.

c)

The more colorful a male is, the longer it lives.

d)

The more colorful males tend to eat more seeds.

17.

A mutation in a _________ affects the structure and function of a ____________.

a)

gene; protein

b)

protein;gene

c)

gene; cell

d)

cell; gene

18.

You notice a mutation in a bear cub. What evidence would support your claim that it is a harmful mutation?

a)

The bear cub is more easily seen by predators.

b)

The bear cub can eat more food that a normal cub.

c)

The bear cub can more easily blend in and avoid predators.

d)

The bear cub can climb trees faster.

19.

A population of beetles live in a forest covered in green leaves. Some are green and some are brown. After several years of drought (no rain), most of the forest has died and has no leaves. What do we expect to happen to the percentage of green beetles in the population?

a)

The green beetle population will increase.

b)

The green beetle population will decrease.

c)

The green beetle population won't change.

20.

A farmer wants to grow tomato plants that have larger tomatoes. What should he do?

a)

Pick two tomato plants that have smaller size tomatoes and breed them.

b)

Pick one tomato plant with large tomatoes and breed it with a plant that has small tomatoes.

c)

Pick a tomato plant and breed it with a cucumber plant.

d)

Pick two tomatoes plants that have larger size tomatoes and breed them.