B1.4

Question 1

What are adaptions for animals in hot conditions?

Answer 1

~ Large surface area to volume

~ Large ears

Question 2

How are plants adapted to live in dry conditions?

Answer 2

~ Thick stem to store water
~ Small leaf surface area to reduce water loss
~ Large roots near the surface to absorb water before it evaporates

Question 3

What do plants compete for?

Answer 3

~ Light
~ Water
~ Space
~ Nutrients

Question 4

What do animals complete for?

Answer 4

~ Food
~ Territory
~ Mates

Question 5

How are bacteria adapted for salty environments?

Answer 5

They’re adapted to not let the salt in them which stops them getting damaged

Question 6

How are mangroves (trees) adapted to live in salty environments?

Answer 6

Roots that can absorb water from the sea but not the salt

Question 7

How are bacteria adapted to live in hot environments?

Answer 7

Have tolerant enzymes that can work well up to 80 degrees

Question 8

How are sea mammals adapted to live in high-pressured environments?

Answer 8

Their bodies are tolerant to the high-pressure

Question 9

How are polar bears adapted to live in cold conditions?

Answer 9

~ Thick fur to trap air and insulate

Question 10

How are killer whales adapted to live in cold conditions?

Answer 10

~ Thick layer of fat to insulate
~ Dark colour to camouflage
~ Small surface area

Question 11

What can population size be affected by for living things?

Answer 11

~ Competition
~ Predators
~ Disease

Question 12

What can population size be affected by for non living things?

Answer 12

~ Temperature
~ Nutrients
~ Rainfall
~ Pollution

Question 13

What do lichens indicate?

Answer 13

Sulphur dioxide in the air

Question 14

What do invertebrates indicate?

Answer 14

Water pollution and oxygen levels

Question 15

What is an adaptation?

Answer 15

Changing to suit an environment and help survival