8Da
1 The five groups of vertebrates are:
A chickens, dolphins, eagles, turtles.
B mammals, reptiles, penguins, worms, bacteria.
C amphibians, birds, reptiles, mammals, fish.
D fish, amphibians, mammals, snakes, insects.
2 All arthropods have:
A four legs and two eyes.
B bodies divided into five sections.
C jointed legs.
D a ‘fleshy pad’.
3 Seeds are:
A made by flowering plants and conifers.
B made by certain kinds of animal.
C only found in apples.
D made by excretion.
4 Plants can move water to their leaves in:
A straw vessels. B xylem vessels.
C dermatic vessels. D leaf vessels.
8Db
1 Which three things are all physical environmental factors?
A light intensity, temperature and oxygen concentration
B number of predators, temperature and food supply
C number of plants, number of predators and number of prey organisms
D number of dead organisms, temperature and oxygen concentration
2 Which sampling technique would you use to find small animals in leaf litter or in a soil sample?
A pond dipping
B tree beating
C a sweepnet
D a Tullgren funnel
3 A garden measures 10 m by 5 m. A 1 m2 sample is taken and found to contain two dandelion plants. What would you estimate the population of dandelion plants to be in the garden?
A 2 B 45 C 50 D 100
4 What is a person who studies habitats called?
A a lumberjack B an ecologist
C an echinoderm D a physicist
8Dc
1 What is this piece of equipment called?
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A a pooter B a shooter C a sweepnet D a Tullgren funnel |
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2 Use the key to work out what bird this is.
A European jay B kite
C puffin D wood duck
3 Some smaller plants that grow in woods have big leaves. This is because:
A there is not much light and bigger leaves can trap more light.
B they need to provide shelter from the rain for small animals.
C less rain gets through the trees and the big leaves help to absorb more rainwater.
D they have got more room to spread out.
4 Here is a list of things found in a particular habitat.
blackbird
rotting log snail bracken plant rock tree
Which of these things form a community?
A the rock and the rotting log
B the rock, the log, the bird and the snail
C the bird, the snail, the bracken plant and the tree
D all of them
8Dd
1 What does the word ‘distribution’ mean?
A Where organisms are found in a habitat.
B The total number of organisms living in a habitat.
C The different species that live in a habitat.
D The different tribes that live in a habitat.
2 Which of these things do plants compete for?
oxygen
water heat light
A all of them B only oxygen
C oxygen and heat D water and light
3 Which of these things will not cause the number of rabbits in a population to decrease?
A There are more lettuces for rabbits to eat.
B More rabbits are eaten by foxes.
C Less rabbits produce offspring.
D More rabbits catch a fatal disease.
4 Three resources that a species of rabbits needs to survive are:
A food, oxygen and carbon dioxide.
B food, water and a mate.
C water, light and carbon dioxide.
D oxygen, carbon dioxide and shelter.
8De
1 Which of the following is a producer?
A blue tit B cow
C mushroom D rose bush
2 In science, what is a ‘consumer’?
A Someone who watches Watchdog on television.
B An animal that eats other organisms.
C A plant that does not need to eat anything.
D A plant that starts a food chain.
3 This diagram shows the number of organisms in a food chain. Which of the following food chains does it represent?
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A grass ® rabbit ® fox
B grass ® sheep ® tick
C oak tree ® caterpillar Ć bird
D lettuce ® slug ® bird
4 The numbers of organisms in a food chain can be shown using:
A a number chart.
B a triangle of numbers.
C a pyramid of numbers.
D a square of numbers.