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8D Quick Quiz 2 On your answer sheet, write in the correct letter for each question. 8Da 1 The environment in a habitat is mainly caused by: A temperature. B physical environmental factors. C humans. D chemicals. 2 The five groups of vertebrates are: A fish, amphibians, mammals, snakes, insects. B amphibians, birds, reptiles, mammals, fish. C mammals, reptiles, penguins, worms, bacteria. D chickens, dolphins, eagles, turtles. 3 Seeds are: A made by excretion. B made by certain kinds of animal. C only found in apples. D made by flowering plants and conifers. 4 Plants that live in dry areas have adaptations to move water to parts that are getting too dry. The water is carried inside: A straw vessels. B drinking vessels. C xylem vessels. D leaf vessels. 8Db 1 Which sampling method would you use to find small animals in leaf litter or in a soil sample? A a sweepnet B tree beating C a Tullgren funnel D pond dipping 2 A population is: A a list of what people’s favourite animals are. B a list of all the different organisms found in a habitat. Exploring Science edition C the number of individuals of a species in a habitat. D the number of different species in a habitat. 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? A2 B 45 C 100 D 50 4 A certain plant is only found under trees in a park habitat. How is its distribution best described? A shady B thin C even D uneven 8Dc 1 Which three things are all physical environmental factors? A number of plants, temperature and food supply B light intensity, temperature and oxygen concentration C number of plants, number of rocks and number of animals D number of dead organisms, temperature and oxygen concentration 2 What is this piece of equipment called? A a thermometer C a pooter B an anemometer D a pH meter Page 1 of 2 © Pearson Education Limited 2008 8D Quick Quiz 2 (continued) 3 A jack rabbit has very big ears. Which of these changes to its habitat would cause problems for jack rabbits because of this adaptation? A It rains a lot. B It gets much hotter. C The area is covered by permanent snow. D It becomes much quieter. 4 Which of these things do plants compete for? 4 Computers are not used by ecologists to: A measure factors. B write reports. C record measurements of factors automatically. D send data from a habitat back to a laboratory. 8De 8Dd 1 What does the word ‘predator’ mean? A An animal that is eaten by other animals. B An animal that eats the dead remains of animals. C An animal that eats other animals.. D An organism that makes its own food. 2 Three resources that a population of rabbits needs to survive are: A food, oxygen and carbon dioxide. B water, light and carbon dioxide. C food, water and a mate. D oxygen, carbon dioxide and shelter. 3 Which of these things will not cause the number of rabbits in a population to decrease? A Rabbits produce fewer offspring. B More rabbits are eaten by foxes. C More rabbits catch a fatal disease. D There are more lettuces for rabbits to eat. oxygen water heat light A water and light C oxygen and heat B only oxygen D all of them 1 Which of the following is not a way in which energy is lost from a food chain? A respiring B moving C being eaten D producing waste 2 What is a pesticide? A a type of fertiliser used by farmers B an animal that eats crops C a type of food for small animals D a chemical that kills organisms that ruin crops 3 What is a ‘secondary consumer’? A the third organism in a food chain B someone who watches Watchdog on television for a second time C a second plant in a food chain D the second organism in a food chain 4 This diagram shows a pyramid of numbers. Which of the following food chains does it represent? caterpillar A oak tree slug bird B lettuce rabbit fox C grass sheep tick D grass bird Page 2 of 2 Exploring Science edition © Pearson Education Limited 2008