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Term 1 Week 8 Homework Task

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

A species that is not native to a particular region

a)

endemic

b)

exotic

c)

endangered

d)

extinct

2.

Species that are native to and found only within a limited area:

a)

endemic

b)

exotic

c)

endangered

d)

extinct

3.

Why is biodiversity important to ecosystems?

a)

It helps populations adapt to ecological changes.

b)

It increases at each level of the food chain.

4.
Currently sharks are on a rapid decline due to overfishing. If sharks go extinct will this affect the biodiversity of the ocean?
a)
No, sharks are not important.
b)
No, sharks will only affect the seal populations.
c)
Yes, it will disrupt the entire food chain in the ocean.
d)
Yes, but only a little.
5.
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
6.

Is the following a structural, functional or behavioural adaptation? A turtle shell

a)

Structural

b)

Physiological

c)

Behavioural

7.

Is the following a structural, functional or behavioural adaptation? When fish swim in schools

a)

Structural

b)

Physiological

c)

Behavioural

8.

Survival of the Fittest and Evolution were proposed by which scientist?

a)

Charles Darwin

b)

Albert Einstein

c)

Steven Hawking

d)

Isaac Newton

9.
Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
10.
In convergent evolution, organisms share physical similarities because they 
a)
have a common ancestor
b)
live in similar environments
c)
develop homologous structures
d)
are closely related 
11.
Which process produced the two different types of beaks in the ground finch and the tree finch?
a)
artificial selection
b)
geographical distribution
c)
natural selection
d)
disuse of the beak
12.
Darwin and Wallace’s Two Main Ideas were:
a)
(1) Natural selection and isolation (2) Speciation
b)
(1) Environment adaptation (2) Change through use and disuse
c)
(1) Natural selection and isolation (2) Change through use and disuse
d)
(1) Environment adaptation (2) Speciation
13.

What is an adaptation?

a)

A characteristic that an organism acquires to suit its environment

b)

A feature that an organism inherits that makes it suited to its environment

c)

A feature that an organism uses to intentionally suit its environment

d)

A characteristic that an organism develops to survive in an environment

14.

What type of adaptation relates to a function or process like urine output in desert animals?

a)

Structural

b)

Physiological

c)

Behavioral

d)

Ecological

15.

Xerophytes are types of plants that are adapted to living in which types of conditions?

a)

Hot and dry

b)

Hot and wet

c)

Cold and dry

d)

Cold and wet

16.

Which plants have leathery leaves with a thick cuticle?

a)

Succulents

b)

Banksias

c)

Pines

d)

Grasses

17.

Which of the following is a behavioural adaptation of the wombat that enables it to survive its environment?

a)

Its brown colour for camouflage

b)

Large muscular shoulders

c)

Large molar teeth

d)

It lives in a burrow.

18.

Licking wrists in some endotherms is an adaptation for which abiotic factor?

a)

Decrease in temperature

b)

Decrease in water

c)

Increase in water

d)

Increase in temperature

19.

Darwin’s ideas on evolution and natural selection rely on which major assumption?

a)

All species are related.

b)

Variation must exist in a population.

c)

The environment changes a species.

d)

All living things are affected by their environment.

20.
An example of a physical adaptation is...
a)
a turtle hiding inside its shell
b)
The spikes on a porcupine fish
c)
a rabbit burrowing underground
d)
a viper biting when threatened

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