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Organisms and their environment (core)

Total questions: 13

Worksheet time: 9mins

Name
Class
Date
1.

(a)   starts the food chain, followed with a consumer which eats it.

2.

How many trophic levels are there?

a)

1

b)

2

c)

3

d)

4

3.

(a)   eats the mice and grasshoppers.

4.

Which animals are the primary consumer?

a)

Foxes, owls, and birds

b)

owls grasshoppers, and grains

c)

carrots, grasses, and grains

d)

rabbits, mice, and grasshoppers

5.

Which can you induce from this pyramid of numbers?

a)

The oak has the biggest population

b)

The blackbirds have the most energy stored

c)

The caterpillars have the largest numbers

d)

The buzzard has the fewest number

6.

Which is the apex predator?

a)

oak tree

b)

caterpillar

c)

buzzard

d)

blackbirds

7.

How is carbon taken out of the atmosphere?

a)

By photosynthesis of plants

b)

By teacher, because he's a green man!

c)

By combustion of fossil fuels

d)

By respiration of decomposers

8.

What is it called when organisms die and rot?

a)

fossilisation

b)

decomposition

c)

photosynthesis

d)

tranpiration

9.

Tree and plants ___ water vapour into the atmosphere.

a)

precipitation

b)

condensation

c)

evaporation

d)

transpiration

10.

Water returns to land from the clouds is called?

a)

evaporation

b)

precipitation

c)

condensation

d)

transpiration

11.

A decrease of a harvest by a disease will result in what?

a)

population increasing due to increase of food.

b)

population decreases due to a lack of food.

c)

population increasing because of immunity of the disease.

d)

population decreasing due to not being immune to the disease.

12.

What can you induce about the population of the hare?

4 lines
13.

The pray will (a)   in population when the predator numbers are low.