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8D Quick Quiz On your answer sheet, write in the correct letter for each question. 8Da C a list of what people’s favourite animals are. D the number of different species in a habitat. 1 The environment in a habitat is mainly caused by: A physical environmental factors. B temperature. C humans. D chemicals. 2 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. 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. 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 C50 D 100 4 A certain plant is only found under trees in a park habitat. How is its distribution best described? A even B uneven C shady D thin 8 D 8Dc 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 xylem vessels. C drinking vessels. D leaf vessels. 1 Which three things are all physical environmental factors? A light intensity, temperature and oxygen concentration B number of plants, temperature and food supply C number of plants, number of rocks and number of animals D number of dead organisms, temperature and oxygen concentration 8Db 2 What is this piece of equipment called? 1 Which sampling method would you use to find small animals in leaf litter or in a soil sample? A pond dipping B tree beating C a Tullgren funnel D a sweepnet 2 A population is: A the number of individuals of a species in a habitat. B a list of all the different organisms found in a habitat. Exploring Science M04_ES_AB_Y8_5415_U8D.indd 105 edition A a pooter C a thermometer B a pH meter D an anemometer Page 1 of 2 105 © Pearson Education Limited 2008 28/8/08 16:33:28 8D 8 D Quick Quiz (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 gets much hotter. B It rains a lot. C It becomes much quieter. D The area is covered by permanent snow. 4 Which of these things do plants compete for? 4 Computers are not used by ecologists to: A measure factors. B record measurements of factors automatically. C write reports. 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 other animals. C An animal that eats the dead remains of 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 food, water and a mate. C water, light and carbon dioxide. D oxygen, carbon dioxide and shelter. oxygen water A all of them C oxygen and heat heat light B only oxygen D water and light 1 Which of the following is not a way in which energy is lost from a food chain? A respiring B moving C producing waste D being eaten 2 What is a pesticide? A a type of fertiliser used by farmers B a chemical that kills organisms that ruin crops C a type of food for small animals D an animal that eats crops 3 What is a ‘secondary consumer’? A someone who watches Watchdog on television for a second time B the third organism in a food chain C the second organism in a food chain D a second plant in a food chain 4 This diagram shows a pyramid of numbers. Which of the following food chains does it represent? 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 There are more lettuces for rabbits to eat. D More rabbits catch a fatal disease. rabbit fox A grass sheep tick B grass caterpillar C oak tree slug bird D lettuce bird Page 2 of 2 Exploring Science M04_ES_AB_Y8_5415_U8D.indd 106 edition 106 © Pearson Education Limited 2008 28/8/08 16:33:29