QUESTIONS

ANSWER BOX

1.

How are cactus plants adapted to live in dry habitats?

Their leaves are sharp spines and they store water inside their thick stems.

2.

Name 4 ways to collect small animals.

Pooters, sweep nets, tree beating and pitfall

3.

What should you do with small animals after they have been collected and observed?

Return them  unharmed, to where you found them

4.

In which season do trees grow new leaves?

Spring.

5.

Explain how hedgehogs and squirrels survive in winter.

They eat a lot before winter and build up a layer of fat Then they find a quiet spot to sleep through the winter (hibernate).

6.

How do birds such as swallows and martins survive in winter?

They fly off to warmer countries (migrate).

7.

What is;

a) a herbivore,

a) an animal that eats only plants.

b) a carnivore, and

b) an animal that eats other animals.

c) a producer?

c) a green plant that gets its energy from the sun

8.

Finish off this food chain

Grass -> Grasshopper -> ? -> ?

.-> fieldmouse -> owl

9.

What do we call several food chains linked together?

A food web

10.

Name three types of microbe.

Bacteria, fungi (moulds), and viruses.

11.

In experiments looking at microbes, how and why is broth sterilised?

It is heated to high temperatures in a pressure cooker. This kills any microbes there at the start.

12.

Why do freezers stop food going bad?

Microbes do not grow at low temperatures.

13.

Microbes that rot away dead things are called d_________

decomposers.

14.

What conditions do the microbes in a compost heap like the best?

Damp, warm, with oxygen (air) available.

15.

What do we call rubbish that rots away naturally?

Biodegradable.

16.

If a woodlouse can choose an environment to live in a choice chamber, what sort of place would you expect it to choose?

Dark; moist, with humus around to provide food