Quiz about Ecology Test Review

Question 1

Sharks are messy eaters that sim around all day with small remora fish attached to their undersides. The remora eats any off that the shark may drop. The remora does nothing for the shark. This is an example of....

Accepted Answer

commensalism

Answer

mutualism

Answer

parasitism

Answer

competition

Question 2

What word best describes the mammals, fish, birds, and plants, as well as the sun, soil, air, and water in an environment?

Accepted Answer

ecosystem

Answer

abiotic factors

Answer

community

Answer

biosphere

Question 3

The five levels of organization in the environment, from the first to the fifth level are

Accepted Answer

organism, population, community, ecosystem, biosphere

Answer

organism, population, biosphere, ecosystem, community

Answer

organism, population, biotic elements, abiotic elements, community

Answer

organism, population, biosphere, abiotic elements, ecology

Question 4

Grass that gains energy from the sun is an example of a...

Accepted Answer

producer

Answer

consumer

Answer

parasite

Answer

decomposer

Question 5

If scientists are studying the egrets, herons, marsh crabs, and spartina grass, but not the water or the rocks in the salt marsh, what level of ecological organization would they be studying?

Accepted Answer

community

Answer

organism

Answer

population

Answer

ecosystem

Question 6

The picture is an example of a...

Accepted Answer

food web

Answer

food chain

Answer

predator prey interaction

Answer

mutualism

Question 7

The squirrels in my neighborhood are very active. At the beginning of the year, we had 11 squirrels living in our backyard. Our neighbors renovated their house and 5 of the squirrels moved away. Once the renovations were complete in late spring, they planted an orchard of fruit trees along our fence line. Later that year, the remaining squirrels reproduced and had 7 babies. 2 additional families moved in bringing 9 more squirrels by winter. The winter was harsh this year, so 3 baby squirrels did not survive.

In the example above, the observer counted the number of squirrels living in their backyard. What method did they use to determine population size?

Accepted Answer

direct observation

Answer

indirect observation

Answer

mark and recapture

Answer

sample

Question 8

The study of how things interact with each other and with their environment is called.

Accepted Answer

ecology

Answer

community studies

Answer

symbiosis

Answer

social studies

Question 9

If an eagle eats a mouse that eats some berries, the eagle is a...

Accepted Answer

secondary consumer

Answer

producer

Answer

primary consumer

Answer

decomposer

Question 10

The arrows on the food web show that...

Accepted Answer

the grasshopper gives its energy to the snake

Answer

mice get their energy from the mushrooms

Answer

hawks give their energy to the mouse

Answer

there is no relationship between the arrows and the transfer of energy

Question 11

The squirrels in my neighborhood are very active. At the beginning of the year, we had 11 squirrels living in our backyard. Our neighbors renovated their house and 5 of the squirrels moved away. Once the renovations were complete in late spring, they planted an orchard of fruit trees along our fence line. Later that year, the remaining squirrels reproduced and had 7 babies. 2 additional families moved in bringing 9 more squirrels by winter. The winter was harsh this year, so 3 baby squirrels did not survive.

In the example above, the observer counted the number of squirrels living in their backyard. What method did they use to determine population size?

What was the rate of immigration in the squirrel population this year?

Accepted Answer

9 squirrels per year

Answer

5 squirrels per year

Answer

7 squirrels per year

Answer

3 squirrels per year

Question 12

A bird eats a worm. Who is the predator?

Accepted Answer

Bird

Answer

Worm

Answer

The bird and the worm

Answer

Neither the bird nor the worm

Question 13

In an energy pyramid, which level has the most available energy?

Accepted Answer

producer level

Answer

primary consumer

Answer

secondary consumer

Answer

tertiary consumer

Question 14

The hawk in the picture died. The vulture consumes it. What type of organism is the vulture?

Accepted Answer

decomposer or scavenger

Answer

primary consumer

Answer

producer

Answer

tertiary consumer

Question 15

The squirrels in my neighborhood are very active. At the beginning of the year, we had 11 squirrels living in our backyard. Our neighbors renovated their house and 5 of the squirrels moved away. Once the renovations were complete in late spring, they planted an orchard of fruit trees along our fence line. Later that year, the remaining squirrels reproduced and had 7 babies. 2 additional families moved in bringing 9 more squirrels by winter. The winter was harsh this year, so 3 baby squirrels did not survive.

In the example above, the observer counted the number of squirrels living in their backyard. What method did they use to determine population size?

Over the next few years, the number of squirrels in the yard remains consistent at 15. Which statement is most likely true in order to reach this equilibrium?

Accepted Answer

The rate at which squirrels are born and dying must be equal.

Answer

More squirrels are being born than dying

Answer

The squirrels are immortal.

Answer

More squirrels die each year than are being born.

Question 16

What is an example of an abiotic element that may change an area?

Accepted Answer

Water flooding a prairie

Answer

Introducing a new type of grass to the prairie

Answer

Two bird species competing for nest habitat

Answer

Uncontrollable mold growth on trees

Question 17

Vultures and hyenas, which feed on the remains of dead organisms, are considered

Accepted Answer

scavengers

Answer

primary consumers

Answer

producers

Answer

herbivores

Question 18

The organism that has three arrows pointing AWAY from it and no arrows pointing toward it is a

Accepted Answer

producer

Answer

omnivore

Answer

decomposer

Answer

herbivore

Question 19

A recently burned forest erupts in ne growth, sprouting grasses and seedlings. What type of succession is this?

Accepted Answer

secondary

Answer

primary

Answer

incendiary

Answer

unnecessary

Question 20

At each level of the energy pyramid, only _______ % of the available energy is passed to the next consumer.

Accepted Answer

10%

Answer

1%

Answer

5%

Answer

50%

Question 21

A close relationship between two species that benefits at least one of the species is called...

Accepted Answer

symbiosis

Answer

natural selection

Answer

adaptation

Answer

competition

Question 22

What is unique about the mouse as related to the other animals in the picture?

Accepted Answer

it is an omnivore

Answer

it is always the second consumer

Answer

it is an herbivore

Answer

it is not a part of the food chain

Question 23

What do you call the first plants that inhabit a newly formed island?

Accepted Answer

pioneer species

Answer

colonial plants

Answer

primavera

Answer

protoplants

Question 24

Animals that eat a variety of meats, fruits, and vegetable are

Accepted Answer

omnivores

Answer

producers

Answer

carnivores

Answer

herbivores

Question 25

Which is an example of a population?

Accepted Answer

The gray wolves in a forest

Answer

The cats and dogs in your neighborhood

Answer

The park at the heart of your neighborhood

Answer

The rocks in your rock collection

Question 26

What provides the ultimate source of all energy in the diagram?

Accepted Answer

sun

Answer

hawk

Answer

mushrooms

Answer

grass

Question 27

Thinking back to the energy pyramid, coyotes prey on prairie dogs. In order for the prairie dog population to survive, how many prairie dogs are needed compared to coyotes?

Accepted Answer

many more prairie dogs than coyotes

Answer

fewer prairie dogs than coyotes

Answer

about the same number of prairie dogs as coyotes

Answer

there is no relationship between the number of prairie dogs and coyotes

Question 28

The smallest unit of ecological organization is

Accepted Answer

organism

Answer

population

Answer

community

Answer

ecosystem

Question 29

What would likely happen if the mice population in the diagram disappeared from the ecosystem?

Accepted Answer

The grasshoppers would increase in population because they are no longer being preyed upon.

Answer

The hawks would increase in population because they would eat ore snakes.

Answer

The grasshoppers would decrease in population because they would be eaten by the snakes.

Answer

The grass would increase in population because the grasshoppers would eat more.

Question 30

When a parasitic tapeworm gets inside a dog's intestine to obtain food, who is the host?

Accepted Answer

the dog

Answer

the worm

Answer

the producer

Answer

the decomposer

Question 31

Which of the following is an example of a predator's adaptation?

Accepted Answer

a shark's powerful jaws

Answer

a porcupine's needles

Answer

a frog's bright colors

Answer

a plant's poisonous chemicals

Question 32

Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of

Accepted Answer

a food chain

Answer

an abiotic element

Answer

an omnivore

Answer

an herbivore

Question 33

Bees and flowers have evolved to need one another. Flowers receive pollination from bees as they fly from flower to flower gathering nectar. This is an example of

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Answer

predation

Ecology Test Review

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