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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