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Biomes
Consumer, Producer, Decomposer
Food Chain
Vocabulary
Random
100
Which pair of living organisms has best adapted to the dry climate of the desert? a) cactus and camel b) horse and apple tree c) wolf and pine tree d) monkey and orchid flower
What is a) cactus and camel
100
Which organism acts as the recycling agent in a food chain? a) consumer b) decomposer c) producer d) scavenger
What is b) decomposer
100
Which food chain is in the correct order? a) grass - beetle - frog - raccoon b) grass - frog - beetle - raccoon c) raccoon - frog - beetle - grass d) frog - beetle - grass - raccoon
What is a) grass - beetle - frog - raccoon
100
Which statement best describes a food web? a) The largest group in a food web is consumers b) A food web is a network of food chains c) A food web diagrams the energy at each level in an ecosystem d) A food web is only one path of energy and nutrients in an ecosystem
What is b) A food web is a network of food chains.
100
Which type of ecosystem is terrestrial? a) estuary b) forest c) lake d) ocean
What is b) forest
200
Sandra and her family just got back from a vacation. Sandra's photos show heron, sea oats, and crabs. Where might the family have gone on vacation? a) the beach b) the desert c) the lake d) the rainforest
What is a) the beach
200
The diagram shows a simple food chain in an ecosystem. Sun - Corn Plant - Caterpillar - Mouse - Owl Why is the owl a consumer in this food chain? a) The owl feeds on the mouse to obtain energy b) The owl depends on the corn plant for energy c) The owl needs less energy than other animals d) The owl uses light energy of the sun to make its food
What is a) The owl feeds on the mouse to obtain energy
200
Both a hawk and an owl have made homes on a large oak tree in the forest. What do you predict will happen? a) They will share food b) They will compete for food c) They will eat different foods d) They will eat at different times
What is b) They will compete for food
200
What is an estuary? a) Flat area alongside a stream or river that is subject to flooding. b) When sea level rises and fill an existing river valley c) Plant drifters d) A partially enclosed body of water where the freshwater from a river and saltwater from an ocean meet and mix.
What is d) A partially enclosed body of water where the freshwater from a river and saltwater from an ocean meet and mix.
200
What type of environment is defined as being connected with, consisting of, or dependent on water to live and grow? a) atmospheric b) aquatic c) glacial d) terrestrial
What is b) aquatic
300
Janet is concerned because the plants in her terrarium are tall, thin, and light green. What can Janet do to make them healthier and darker green? a) She should move the terrarium into more direct sunlight. b) She should add more isopods because they are decomposers. c) She should give them more water d) She should add more crickets so they can eat the decomposers.
What is a) she should move the terrarium into more direct sunlight.
300
What must an ecosystem have in the greatest abundance to support a large number of organisms? a) carnivores b) consumers c) herbivores d) producers
What is d) producers
300
Materials are recycled in nature. Which example shows how nature recycles? a) Seagulls walking on the beach move the sand around b) A rough mountain is made smooth by weathering c) A dead animal decays and becomes a skeleton d) Water in a pond freezes over in the winter
What is c) A dead animal decays and becomes a skeleton
300
Which term best defines the natural conditions and environment in which a plant or animal lives, such as a forest, desert, or wetlands? a) a community b) an ecosystem c) a habitat d) a population
What is c) a habitat
300
What type of environment is defined as one living and growing on land? a) atmospheric b) aquatic c) glacial d) terrestrial
What is d) terrestrial
400
Moira's family owns a maple syrup producing farm, and their home is surrounded by maple trees. In which type of land environment does Moira most likely live? a) arctic tundra b) deciduous forest c) desert d) tropical rain forest
What is b) deciduous forest
400
Which is an example of a carnivore? a) a horse eating hay and grass b) a giraffe eating fruit and leaves c) an ape eating insects and bananas d) a tiger eating deer and zebras
What is d) a tiger eating deer and zebras
400
Mrs. Paulson has a small fishpond in her backyard. The water has gotten very green with too much algae. What should Mrs. Paulson do to make the water more clear? a) She should add more frogs so they will eat the algae b) She should add more plants so they will absorb the algae c) She should add some snails so they would eat the algae d) She should add some pesticides to kill off the algae
What is c) She should add some snails so they would eat the algae
400
A community of organisms and its interaction with the environment is known as what? a) a community b) an ecosystem c) a habitat d) a population
What is b) an ecosystem
400
A student listed some features of two aquatic ecosystems. 1. It is saltier than a river but less salty than an ocean 2. It consists of whales, turtles, and octopuses 3. It is a large body of salt water 4. It consists of birds like blue herons and egrets Which is the correct classification of the two aquatic ecosystems based on the listed features? a) 1 and 2: pond ecosystem; 3 and 4: lake ecosystem b) 1 and 2: lake ecosystem; 3 and 4: ocean ecosystem c) 1 and 4: estuary ecosystem; 2 and 3: ocean ecosystem d) 1 and 4: lake ecosystem; 2 and 3: estuary ecosystem
What is c) 1 and 4: estuary ecosystem; 2 and 3: ocean ecosystem
500
Where in a forest ecosystem would the largest amount of earthworms most likely be found? a) inside the bark of trees b) inside flowering plants c) mixed in the rocks of streams d) mixed in decaying leaves and soil
What is d) mixed in decaying leaves and soil
500
Gardeners often add worms to their gardens. Why do you think they do that? a) The worms provide food for birds, which help the plants b) The worms are decomposers and change organic matter into nutrients c) Worms help to keep the soil moist, which helps the plants d) Worms help keeps harmful insects away from the plants' roots
What is b) the worms are decomposers and change organic matter into nutrients
500
If one animal in the food chain becomes extinct, how does that affect the food chain? a) It will have no effect on the food chain b) The animals at the top of the food chain will be affected c) The animals at the bottom of the food chain will be affected d) It will effect the entire food chain
What is d) It will effect the entire food chain
500
What is a niche? a) An organism's particular role or job in an ecosystem b) An organism that can make its own food from the sun c) An organism that breaks down wastes and dead organisms d) Where freshwater and saltwater mix
What is a) An organism's particular role or job in an ecosystem
500
Which statement correctly describes forest ecosystems? a) They have very little rainfall b) They have land covered with tall grasses c) They have very limited types of plants and animals d) They have many types of plants and a variety of animals.
What is d) They have many types of plants and a variety of animals.