Adaptions and inheritance

Question 1

What do animals compete for?

Answer 1

1) Food
2) Water
3) Space -for hunt and shelter
4) Mates

Question 2

What do plants compete for?

Answer 2

1) Light
2) Water
3) Space
4) Minerals

Question 3

What is competition?

Answer 3

Competing with other organisms to survive.

Question 4

What are adaptions?

Answer 4

Characteristics that help an organism to survive in its environment.

Question 5

How do animals cope with cold temperature?

Answer 5

• Hibernation
• Migration
• Grow thicker coats

Question 6

What is variation?

Answer 6

Differences in characteristics within a species.

Question 7

What is a species?

Answer 7

Organisms that have lots of characteristics in common, and can mate to make fertile offspring.

Question 8

What is inherited variation?

Answer 8

Variation inherited from parents.

Question 9

What is environmental variation?

Answer 9

Variation caused by surroundings and what happens to a person.

Question 10

What is continuous variation?

Answer 10

Characteristics that can take any value within a range of values.

Question 11

What is discontinuous variation?

Answer 11

Characteristics that can only be a certain value.

Question 12

How should discontinuous variation be plotted?

Answer 12

On a bar chart.

Question 13

How should continuous variation be plotted?

Answer 13

On a histogram.

Question 14

What is DNA?

Answer 14

Chemical that contains all the information needed to make an organism.

Question 15

What are chromosomes?

Answer 15

Long strand of DNA which contains many genes.

Question 16

What are genes?

Answer 16

Section of DNA that contains the information for a characteristic.

Question 17

How many chromosomes does a human have?

Answer 17

46
(23 from each parent)
(23 pairs)

Question 18

What is evolution?

Answer 18

Development of species over time.

Question 19

What is a fossil?

Answer 19

The remains of animals which have turned to stone.

Question 20

What is natural selection?

Answer 20

Process by which the organisms with the characteristics that are most suited to the environment survive and reproduce, by passing on their genes.

Question 21

What does extinct mean?

Answer 21

When no more individuals of a species are left anywhere in the world.

Question 22

What does endangered mean?

Answer 22

Species of plants and animals that only have a small population in the world.

Question 23

What is biodiversity?

Answer 23

The range of organisms living in an area.

Question 24

What is interdependence?

Answer 24

The way in which living organisms depend on each other to survive, grow and reproduce.