Evolution

Question 1

Video based questions:

1. Why doesn’t the Texas cave salamander have eyes?
2. Apart from hearing, why do desert foxes have large ears?

Answer 1

1.Because they live in dark caves and so don’t need to be able to see.

2.To keep cool.

Question 2

What is adaptation?

Answer 2

Adaptations are features of living organisms that help them survive.

Question 3

Quiz score:

Answer 3

1. 3/6
2. 6/6

Question 5

What is evolution?

Answer 5

The genetic change in species or populations over time.

Question 6

What is extinction?

Answer 6

the permanent disappearance of a species from Earth.

Question 7

What is variation?

Answer 7

a difference or change.

Question 8

How can variation be caused in animals?

Answer 8

It can be caused by small changes in DNA.

Question 9

When does extinction occur?

Answer 9

When all species die out.

Question 10

How does extinction happen?

Answer 10

environmental changes, habitat loss.

Question 11

How does evolution happen?

Answer 11

Evolution is a slow process and usually takes generations.

Question 12

Examples of evolution.

Answer 12

Peppered moth and giraffes necks

Question 13

What are ways evolution can happen?

Answer 13

Natural selection and mutation

Question 14

Adaptions of plants

Answer 14

deep roots for water storage, thick stems for water retention, and spines for defense.

Question 15

What are extremophiles?

Answer 15

Organisms that live in extreme temperatures.

Question 16

The cactus is an example of a plant which is able to survive in deserts, what helps them survive the extreme temperatures?

Answer 16

Stems that can store water.

Spikes which prevent the plant being eaten.

Very thick, waxy cuticles*.

• cuticle
  A waxy later on the outside of plant leaves and stems to reduce water loss.

Question 17

How have polar bears adapted in the artic?

Answer 17

Thick white fur for camouflage.

A thick layer of fat to keep warm.

Sharp teeth and claws for hunting.

Question 18

Where do epiphytes grow?

Answer 18

On other plants

Question 19

Which term describes the range of living organisms within a habitat?

Ecosystem
Diversity
Biodiversity

Answer 19

Biodiversity

Question 20

Which habitat is likely to have the greatest biodiversity?

Desert
Rainforest
Polar regions
Open ocean

Answer 20

Rainforest

Question 21

Which is not an adaptation to reduce water damage to plants in rainforests?

Smooth trunks
Flat leaves
Drip tips
Buttress roots

Answer 21

Buttress roots

Question 22

What is an epiphytes

Answer 22

a plant growing on other plants.

Question 23

Which process drives evolution?

Natural selection
Selective breeding
Genetic modification
Artificial selection

Answer 23

Natural selection

Question 24

Quiz score:

Answer 24

1. 10/10

Question 25

Evidence of evolution

Answer 25

ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA, and similarities of embryos.

Question 26

Which term describes a group of organisms that can interbreed to have fertile offspring? Genus Family Species Order

Answer 26

Species

Question 27

Which process drives evolution? Natural selection Selective breeding Artificial selection Genetic modification

Answer 27

Natural selection

Question 28

Which of these can be a cause of genetic variation? Tattoos Mutations Scars

Answer 28

Mutations

Question 29

Which scientist first devised the theory of evolution by natural selection? Charles Darwin Carl Linnaeus Alexander Fleming Alfred Wallace

Answer 29

Charles Darwin

Question 30

Quiz score:

Answer 30

1. 7/10 2. 10/10