Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following is an abiotic factor in a biome?
a. | the kinds of trees | c. | the average temperature | b. | the number of insect
species | d. | the mosses and
algae |
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2.
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Which of the following is a biotic factor in a biome?
a. | the quality of soil | c. | the presence of ponds and lakes | b. | the amount of
rainfall | d. | the kinds of
grasses |
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3.
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The base of the ocean’s food chains is formed by
a. | blue whales. | c. | plankton. | b. | coral reefs. | d. | sargassums. |
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4.
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The place where the ocean meets the land is the
a. | intertidal zone. | c. | oceanic zone. | b. | neritic zone. | d. | benthic zone. |
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5.
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The ocean floor, some parts of which get no sunlight, is the
a. | intertidal zone. | c. | oceanic zone. | b. | neritic zone. | d. | benthic zone. |
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6.
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The area that contains the deep water of the open ocean and is where the sea
floor drops sharply is the
a. | intertidal zone. | c. | oceanic zone. | b. | neritic zone. | d. | benthic zone. |
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7.
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The area that has warm, sunlit water and is where the ocean floor begins to
slope downward is the
a. | intertidal zone. | c. | oceanic zone. | b. | neritic zone. | d. | benthic zone. |
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8.
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Many plants can grow in the littoral zone of a lake because
a. | sunlight reaches its bottom. | c. | there are no
animals. | b. | there are no algae. | d. | there is both salt water and fresh water. |
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9.
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The main food for organisms in the deep-water zone is
a. | photosynthetic plankton. | c. | dead organisms from
above. | b. | live trout. | d. | water lilies. |
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10.
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Where does the open-water zone of a lake end?
a. | where the lakeshore begins | c. | above the littoral
zone | b. | beneath the deep-water zone | d. | as deep as sunlight reaches |
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11.
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How do wetlands help replenish underground water supplies?
a. | The water moves deeper into the ground. | b. | The tree roots soak
up water. | c. | Wetlands do not soak up spring snow melt. | d. | Wetlands do not feed
into lakes and rivers. |
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12.
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An ecosystem with wet soil, willow trees, and orchids is likely
a. | a marsh. | c. | a forest. | b. | a swamp. | d. | a pond. |
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13.
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A lake may become a forest when
a. | there is a severe drought.
c. water rarely enters the lake. | b. | a swamp becomes a
marsh. | c. | the lake fills with sediment over time. |
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14.
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Which of the following is a biotic factor in a biome?
a. | kinds of birds | c. | types of rocks | b. | amount of rainfall | d. | bodies of water |
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15.
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The speed of water is an important abiotic factor in a freshwater ecosystem
because
a. | a tributary has different plants than a river. | b. | faster water has a
higher salt content. | c. | animals must adapt so they are not washed
away. | d. | animals cannot live in fast-moving water. |
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16.
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One important abiotic factor in marine ecosystems is the
a. | amount of plankton. | c. | kinds of algae. | b. | water depth. | d. | size of
animals. |
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17.
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Most of the nutrients in a tropical rain forest are found in plants, so
a. | the rain forest soil is very rich. | c. | there are few animals in the rain
forest. | b. | there are few plants on the forest floor. | d. | the rain forest soil is poor in
nutrients. |
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18.
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From where do plankton get food?
a. | small fish | c. | photosynthesis | b. | insects | d. | whales |
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19.
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What may happen as sediment and decaying organisms build up in a pond?
a. | The pond may become a lake. | c. | The water may have more
salt. | b. | More fish may live in the pond. | d. | The pond may become a
forest. |
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20.
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How can the littoral zone of a lake or pond be described?
a. | an area with no sunlight | b. | an area with no animal life | c. | an area with no
plant life | d. | an area closest to the edge of a lake or pond |
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21.
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Prairies, steppes, and pampas are types of
a. | chaparral. | c. | deserts. | b. | tundra. | d. | grasslands. |
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22.
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Which of the following is a type of wetland characterized by plants hanging from
tree branches?
a. | swamp | c. | estuary | b. | marsh | d. | pond |
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23.
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Which of the following statements about savannas is true?
a. | During the wet season, savannas receive little rain. | b. | Savanna inhabitants
include large herbivores. | c. | Savannas are characterized by steep
mountains. | d. | Savannas are rainy year-round. |
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24.
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A major abiotic factor that affects freshwater ecosystems is
a. | wildlife. | c. | how quickly water moves. | b. | the amount of
plankton. | d. | elevation. |
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25.
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The most biologically diverse biome is the
a. | swamp. | c. | temperate grassland. | b. | tundra. | d. | tropical rain
forest. |
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26.
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What is permafrost?
a. | dry desert soil | c. | ice on the tundra | b. | muddy soil | d. | soil that is always
frozen |
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27.
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Which of the following is a key abiotic factor in rivers?
a. | number of fish | c. | amount of salt | b. | speed of water | d. | how animals
adapt |
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28.
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Which of the following ocean animals need warm water to live?
a. | whales | c. | animals on the ocean floor | b. | barnacles | d. | animals in coral reefs |
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29.
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How does a swamp differ from a marsh?
a. | A swamp has salt water. | c. | A swamp has many
birds. | b. | A swamp has trees. | d. | A swamp has very wet soil. |
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30.
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Which ocean temperature zone is the warmest?
a. | surface zone | c. | deep zone | b. | thermocline | d. | littoral zone |
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31.
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What makes it possible for many animals to live in the polar ice
ecosystem?
a. | cold air | c. | floating algae | b. | large numbers of plankton | d. | coral reefs |
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32.
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Which lake zone is closest to the land’s edge?
a. | open-water zone | c. | littoral zone | b. | deep-water zone | d. | tributary zone |
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Short Answer
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33.
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Explain how a pond could become a forest.
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34.
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What are the three zones of a lake?
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35.
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List two kinds of wetlands. How they are different?
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Matching
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Match each item with the correct statement below. a. | tundra | e. | temperate deciduous forest | b. | temperate
grasslands | f. | tropical rain
forest | c. | desert | g. | savanna | d. | coniferous
forest |
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36.
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has scattered clumps of trees and seasonal rains
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37.
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has trees that produce seeds in cones
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38.
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has permafrost
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39.
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has trees that lose their leaves during winter
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40.
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has greatest diversity of plants and animals
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41.
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is very dry and often very hot
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42.
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has many grasses and few trees
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Match each item with the correct statement below. a. | intertidal area | c. | estuary | b. | coral reef | d. | Sargasso Sea |
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43.
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is made of the skeletons of small animals
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44.
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contains huge, floating rafts of algae
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45.
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is where organisms have adapted to keep from being swept away
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46.
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contains both fresh and salt water
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Match each item with the correct statement below. a. | temperate deciduous forest | e. | desert | b. | coniferous
forest | f. | polar
tundra | c. | temperate grassland | g. | alpine tundra | d. | savanna |
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47.
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has permafrost; in the Arctic or Antarctic
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48.
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has many trees that do not change much seasonally
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49.
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has organisms with special adaptations to a hot, dry climate
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50.
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has clumps of trees and seasonal rains
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51.
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is found above the tree line of mountains
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52.
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has many trees that lose all of their leaves to save water
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53.
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has grass, but few trees due to fires, drought, and grazing
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Match each item with the correct statement below. a. | intertidal area | e. | polar ice | b. | coral reef | f. | marsh | c. | estuary | g. | swamp | d. | Sargasso Sea |
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54.
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is made of the skeletons of small animals
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55.
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contains huge, floating rafts of algae
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56.
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is a wetland that is often in shallow areas along shores
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57.
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has icy waters that are rich in nutrients
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58.
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has a constantly changing amount of salt in the water
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59.
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is a wetland that has trees and is often found in low-lying areas
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60.
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includes mudflats, sandy beaches, and rocky shores
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Match each item with the correct statement below. a. | temperate grassland | c. | alpine tundra | b. | coniferous forest | d. | tropical rain
forest |
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61.
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has the greatest biological diversity of any land biome
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62.
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has trees with cones
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63.
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has grasses as its main plants
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64.
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is found on mountain tops
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Match each item with the correct statement below. a. | neritic zone | c. | benthic zone | b. | oceanic zone | d. | intertidal zone |
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65.
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is the ocean floor
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66.
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is where the ocean meets the land
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67.
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has warm water and sunlight
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68.
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is where the sea floor drops sharply
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