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Inheritance review

Total questions: 25

Worksheet time: 30mins

Name
Class
Date
1.

What does the photo represent?

a)

A ladder

b)

The molecule of DNA

c)

A chromosome

d)

The bases of DNA

2.

Which of the following statements about chromosomes is correct?

a)

Chromosomes are long, thread-like structures

b)

Chromosomes are found in the nucleus of all cells in the human body

c)

Chromosomes contain DNA

d)

All of the above

3.

How many chromosomes are found in each cell of your body?

a)

46

b)

23

c)

40

d)

45

4.

Where is DNA found in a human cell?

a)

ribosome

b)

nucleus

c)

cell membrane

d)

cytoplasm

5.
The twisted ladder shape of DNA is referred to as a ....
a)
Twizzler candy
b)
twisted ladder
c)
double helix
d)
yo mama
6.
How do adaptations help animals?
a)
to hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
7.
What genetic change allows organisms to survive natural selection in their environments? 
a)
learned behavior
b)
acquired traits
c)
analogies
d)
adaptations
8.

What is camouflage?

a)

Colors or markings to make it look like something else

b)

A chemical that is used to defend itself

c)

A hard shell or covering

d)

Body patterns or coloring that make it hard to see

9.

Why are advantageous traits more likely to be passed onto offspring?

a)

Because they are more likely to survive and reproduce.

b)

Because they come from dominant alleles.

c)

Because they come from recessive alleles.

d)

Because the organism knew it needed that trait, survives, and passes it on.

10.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
11.

"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of

a)

Natural Selection

b)

Evolution

c)

Selective Breeding

d)

Artificial Selection

12.

According to natural selection, light colored tree trunks would favor

a)

light colored moths

b)

dark colored moths

c)

red colored moths

d)

red and light colored moths

13.

What could cause a species to go extinct?

a)

Food becomes more plentiful.

b)

The environment changes drastically and no-one can adapt.

c)

There is less competition for resources.

d)

Members of a species have adaptations to enhance survival.

14.

How did Darwin contribute to the theory of evolution?

a)

stated that evolution occurred through natural selection

b)

stated that evolution caused mutation

c)

stated that evolution caused natural selection

d)

he was the first to describe evolution

15.

What islands did Darwin make his discoveries regarding evolution?

a)

Hawaiian

b)

Polynesian

c)

Galapagos

d)

Bahamas

16.

What did Darwin notice about the Finches in the Galapagos?

a)

the size and shape of beak was different depending on the food source of each island

b)

the size of finch was different depending on the habitat of each island

c)

the shape and size of beak was the same

d)

the size of finch was the same but the color was different

17.
Which habitat exhibits the greatest biodiversity?
a)
A habitat with 15 different species with about 300 individuals each
b)
A habitat with 10 different species with about 75 individuals each
c)
A habitat with 4 different species with about 150 individuals each
d)
A habitat with only one species with about 2000 individual
18.
How can humans best help an endangered species avoid extinction?
a)
they can feed the animals
b)
they can put the animals in a zoo
c)
they can protect the animal’s habitat
d)
they can take the animal to new habitats
19.
Why is biodiversity so important?
a)
Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
b)
Because it’s better to have only one variation of each species.
c)
Because it better to only have a few species on Earth.
d)
Honestly, I have no idea what biodiversity is!
20.
In what way are humans most impacting the biodiversity of ecosystems around the world?
a)
a. We are putting too many organisms in zoos or keeping them as pets
b)
b. We are increasing biodiversity by breeding new species
c)
c. We are destroying the habitats of a large number of species
d)
d. Recreational hunting
21.
Which of the following is NOT a type of  biodiversity?
a)
species
b)
genetic
c)
ecosystem
d)
individual
22.

According to most scientists, what is the ultimate cause of most mass extinctions?

a)

overhunting

b)

evolution of new species to replace old ones

c)

major change in environment

d)

asteroid impact

23.
Which of these describes a species that has become extinct?
a)
fewer members of the species are dying than being born
b)
more members of the species are dying than being born
c)
very few members of a species are alive
d)
all members of a species have died
24.

Evidence of an animal or plant that lived a long time ago on Earth is called a ________.

a)

fossil

b)

tiger

c)

extinct

d)

endangered

25.
What is a mass extinction?
a)
When all the species in a particular area on earth suddenly go extinct
b)
When multiple species from all over the earth suddenly go extinct 
c)
When one species goes extinct due to habitat changes
d)
When all life on earth is wiped out 

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