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Ecology Unit Review
I am going to study tonight.
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1. True
2. False
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An example of a herbivore is
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1. Cheetah
2. Spider
3. Deer
4. Snake
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If a snake eats a mouse that eats grass, the snake is a
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1. Producer
2. First level consumer
3. Second level consumer
4. Decomposer
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Where is the most energy available in an energy pyramid?
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1. Producer level (bottom)
2. First level consumer
3. Second level consumer
4. Top
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In which process do producers use carbon from carbon dioxide to produce glucose?
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1. Respiration
2. Photosynthesis
3. Precipitation
4. Nitrogen cycle
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Kudzu is a vine that was brought to the southern U.S. from China. Because it came from another
part of the world it is known as
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1. Native Species
2. Exotic Species
3. Host
4. Endangered Species
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The Sahara desert prevents organisms from northern Africa from dispersing to southern Africa.
The desert is an example of which limit to dispersal?
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1. Climate
2. Physical barrier
3. Competition
4. Food and water
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In the Lion King, a group of buzzards thought Simba was dead and tried to eat him. They are
examples of __________ which feed on the bodies of dead organisms.
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1. First level consumer
2. Scavengers
3. Producers
4. Herbivores
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The first organism in a food chain is always a
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1. Producer
2. Consumer
3. Herbivore
4. Carnivore
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Which of the following is NOT an example of dispersal
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1. The wind carrying spiders to another place
2. A wolf carrying sticky plant burs on its fur
3. A beetle being carried down a river floating on a leaf
4. A mouse living in a field
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The source of energy for most autotrophs is
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1. Water
2. The sun
3. Heterotrophs
4. Other autotrophs
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Which of the following is a biotic factor?
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1. Water
2. Carbon
3. Sunlight
4. Trees
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Which of the following is an example of a population?
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1. All the trees in the woods
2. All the cats and dogs in your neighborhood
3. The rocks in a rock collection
4. The white tail deer in a forest
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If you count 40 worms in a garden measuring 10 square meters, the population density of the
worms is
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1. 400 worms per sq meter
2. 40 worms per sq meter
3. 10 worms per sq meter
4. 4 worms per sq meter
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A group of boys leaving my room to go to Mrs. Anderson’s room in search of more fun is an
example of
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1. Immigration
2. Emigration
3. Increasing birth rate
4. Decreasing birth rate
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When Dori was stung by the jellyfish, she was almost an example of
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1. Predator
2. Prey
3. Host
4. Parasite
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Bacteria in your intestine that make vitamin K are an example of which type of interaction?
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1. Competition
2. Mutualism
3. Parasitism
4. Predation
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A drought that prevents further growth of peaches in Georgia is an example of
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1. Carrying capacity
2. A limiting factor
3. Biotic factor
4. Indirect observation
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Which of the following is not a limiting factor?
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1. Food
2. Soil
3. Space
4. Weather conditions
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The sharks powerful jaws help it catch and
eat its prey. This is an example of a
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1. Predator Adaptation
2. Camouflage
3. Prey adaptation
4. Mimicry
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When a tape worm lives in a dog, the dog is the
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1. Parasite
2. Host
3. Predator
4. Prey
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A bird building its nest in a pine tree is an example of
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1. Commensalism
2. Mutualism
3. Parasitism
4. Predation
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Mosses and lichens are known as _________________ because they are the first to populate an area where
primary succession is taking place
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1. Secondary species
2. Primary species
3. Pioneer species
4. Succession species
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What do the arrows in a food web represent?
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1. Predator prey relationships
2. The directions in which animals move in order to find food
3. The transfer of energy and matter
4. Parasite host relationships
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Second level consumers may be either carnivores or omnivores.
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1. True
2. False
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Bees and flowers are biotic factors in an ecosystem.
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1. True
2. False
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The population density decreases as the number of individuals in an
area increases.
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1. True
2. False
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All the members of a community belong to the same species.
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1. True
2. False
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A tapeworm living inside a wolf’s body is a predator.
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1. True
2. False
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Bacteria and fungi are examples of
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1. Producers
2. Consumer
3. Decomposer
4. Scavenger
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A bear is a __________ because it cannot make its own food.
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1. Producer
2. Consumer
3. Parasite
4. Host
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At the end of Charlotte’s Web, the baby spiders were dispersed by the
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1. Water
2. Wind
3. Sun
4. Soil
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All of the biotic and abiotic factors in an area make up the
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1. Organism
2. Population
3. Community
4. Ecosystem
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Squirrels, insects, and trees make up a level
of ecological organization known as
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1. Organism
2. Population
3. Community
4. Ecosystem
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After the boys leave my room for Mrs. Anderson’s, I can count the books they left behind (traces of them) in order to find out how many referrals to write. I am doing what type
of observation?
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1. Direct Observation
2. Indirect Observation
3. Sampling
4. Mark and Recapture
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When the bird and the squirrel struggle to occupy a certain niche in an ecosystem,
they are in
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1. Symbiosis
2. Predation
3. Competition
4. Commensalism
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