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100
(85)Which organism in the picture below depends on other living things to survive?
What is C-Deer
100
(86) This food chain is missing an organism.
What is D-grass
100
(87) What role in a food chain do decomposers play?
A. They add nutrients to soil.
100
(88) Jon wants to learn how runoff containing fertilizer from farms affects organisms living in a lake. Which search words wold be best to use for this purpose?
What is B-runoff, fertilizer, lake
100
(89) Cutting down rain forests is likely to result in...
What is C-extinction of animal species.
200
(90) Which organism depends on dead plants to survive?
What is C-mushroom
200
(91) What causes acid rain?
What is D-burning fossil fuels
200
(92) Which human activity is most likely to harm the health of a lake?
What is C-using fertilizer on farms close to the lake.
200
(93) Which species of rodent lost the greatest number of animals during the flood?
What is A-mice
200
(94) Which species of rodent declined in numbers by the greatest percentage?
What is D-groundhogs
300
(95) What might explain the trend in the numbers of chipmunks in the field?
What is A-The chipmunks ran to higher ground during the flood and then returned to the field after the flood.
300
(96) Which living thing in this food chain uses the sun's energy to produce food?
What is A-oak tree
300
(97) Which living thing int he food chain depend directly on the oak tree for food?
What is C-Squirrel
300
(98) Which sentence best explains how sea bass depend on kelp to survive?
What is C-Sea bass eat other animals that depend indirectly on kelp to survive.
300
(99) Sea otters eat sea urchins. If sea otters moved into a habitat represented by this food chain, they might eat most of the sea urchins. What is the most likely way this would affect other organisms?
What is-A Eels wold have less food.
400
(100) Which activity is most likely to damage the environment?
What is- C
400
(101) Virtually all living things need food as oxygen to survive. What process in plants provides living things with both food and oxygen?
What is-B photosynthesis
400
(102) Which animal is the food chain depends directly on grass to survive?
What is- C mouse
400
(103) Which choice is the best explanation for why the hawk depends on grass to survive?
What is-B The hawk eats mic, which depend on grass to survive.
400
(104) These changes in the sea otter population are an example of...
What is C-how human activities can impact populations of marine mammals.
500
(105) Based on text about sea otters, which human action is most likely responsible for the recent decline in the sea otter population?
What is-D polluting water with toxic chemicals.
500
(106) Many small organisms live in habitats like the one shown in this picture. For example, mice might live in a nest under the plants, bugs in the bark of the dead log, and worms in the soil under the rock.
What is- C worms in the soil under a rock.
500
(107) The food chain below includes an oak tree. Explain how the owl depend on the oak tree.
Answers vary.
500
(108) Human actions, especially the burning of fossil fuels, add carbon dioxide to the atmosphere. What are some ways this affects the Earth's environment?
Answer vary
500
(109) Describe how energy flows through this food chain. In your answer, identify the role that each organism in the food chain plays.
Answer vary