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B25 21-24 REVIEW

Total questions: 80

Worksheet time: 40mins

Name
Class
Date
1.

What is it called when a group of the same organisms living together in the same place at the same time?

a)

organism

b)

population

c)

community

d)

ecosystem

2.

What are groups of different populations living together in the same place at the same time called?

a)

population

b)

community

c)

ecosystem

d)

biosphere

3.

What is it called when you have groups of different populations along with their abiotic factors?

a)

organism

b)

population

c)

community

d)

ecosystem

4.

All of the living parts of the earth are

a)

ecosystem

b)

biosphere

c)

biome

d)

geosphere

5.

The temperate deciduous forest, the tropical rain forest, the desert, and the tundra are all examples of...

a)

biospheres

b)

biomes

c)

ecosystems

d)

populations

6.

A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...

a)

organisms

b)

populations

c)

communities

d)

ecosystems

7.

Andrea is on the girls cross country team. She is heading out for a run when she comes across 20 Canadian geese. What level of organization is this group of Canadian geese?

a)

organisms

b)

population

c)

community

d)

biome

8.

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many different species of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

a)

population

b)

community

c)

ecosystem

d)

biome

9.

Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up. What level of organization are they discussing?

a)

community

b)

ecosystem

c)

biome

d)

biosphere

10.

What is a group of ecosystems that share similar climates and types of organisms called?

a)

biosphere

b)

biome

c)

ecosystem

d)

atmosphere

11.

Antonio and Javier are astronauts in space looking back at Earth and discussing how all the life on Earth interacts with each other as well as the nonliving things. What level of organization are they discussing?

a)

biosphere

b)

biome

c)

ecosystem

d)

community

12.

What are the ecological levels of organization from smallest to the largest?

a)

organism, population, community, ecosystem, biome, biosphere

b)

organism, community, population, ecosystem, biome, biosphere

c)

organism, population, community, biome, ecosystem, ecosphere.

d)

organism, community, population, biome, ecosystem, ecosphere

13.

The snake is a predator to what prey in this food chain?

a)

frog

b)

grasshopper

c)

grass

d)

eagle

14.

The frog is a predator to what prey in this food chain?

a)

eagle

b)

grass

c)

grasshopper

d)

snake

15.

The frog is a prey to what predator in this food chain?

a)

grass

b)

grasshopper

c)

snake

d)

eagle

16.

The grasshopper is a prey to what predator in this food chain?

a)

grass

b)

eagle

c)

snake

d)

frog

17.

Why is a deer classified as a herbivore?

a)

makes its own food

b)

eats meat only

c)

eats plants only

d)

eats plants and animals

18.

Why is a racoon classified as an omnivore?

a)

It makes its own food

b)

It eats plants only

c)

It eats animals only

d)

It eats plants and animals

19.

What are organisms that use other organisms for food in order to gain energy?

a)

decomposers

b)

producers

c)

herbivores

d)

consumers

20.

What type of organism makes its own food?

a)

consumer

b)

carnivore

c)

producer

d)

animal

21.

Which are decomposers?

a)

humans

b)

trees

c)

red wolves

d)

worms

22.

A red wolf is a __________ and a ________.

a)

producer and hunter

b)

consumer and carnivore

c)

decomposer and carnivore

d)

decomposer and omnivore

23.

From where do producers get their energy?

a)

the ground

b)

other animals

c)

decomposers

d)

the sun

24.

A living organism that puts materials from dead plants and animals back to the soil is called a ____________?

a)

carnivore

b)

decomposer

c)

herbivore

d)

omnivore

25.

What do the arrows represent in this diagram?

a)

who is being eaten

b)

the flow of energy

c)

the decomposition of organisms

d)

what things can change into

26.

Which is a producer?

a)

deer

b)

tall grass

c)

lion

d)

worm

27.

What is this called?

a)

Food chain

b)

Food web

c)

Energy Pyramid

d)

Biomass Pyramid

28.

What is this called?

a)

Food chain

b)

Food web

c)

Energy Pyarmid

d)

Biomass Pyramid

29.

What does a Primary Consumer eat?

a)

Tertiary Consumers

b)

Secondary Consumers

c)

Producers

d)

Other Primary Consumers

30.

A tertiary consumer has to be which type?

a)

Carnivore.

b)

Decomposer.

c)

Producer.

d)

Herbivore.

31.

An animal that eats other animals is a....

a)

herbivore

b)

omnivore

c)

carnivore

d)

decomposer

32.

In a food web, arrows point at:

a)

who gets energy.

b)

who gets eaten.

c)

the sun

33.

What does a food web represent?

a)

All connections of energy flow throughout all organisms in a ecosystem.

b)

The specific ways that mutualism is carried out.

c)

A single pathway or energy flow between organisms.

d)

How carnivores get their food.

34.

Bacteria, fungi, and earthworms are examples of:

a)

scavengers

b)

predators

c)

prey

d)

decomposers

35.

__________ is an organism that eats BOTH plants and animals for energy.

a)

Omnivore

b)

Darnivore

c)

Carnivore

d)

Herbivore

36.

If the grasshopper were to be removed completely from the food web, what organism would be most effected?

a)

The squirrel

b)

The shrew

c)

The deer

d)

The rabbit

37.

Which organism receives the least amount of energy from the producer?

a)

owl

b)

grasshopper

c)

lilypad

d)

mouse

38.

What would happen to the bird if the green fish died out?

a)

the bird population would grow

b)

the bird population would die out

c)

the smaller fish will die out

39.

What does an energy pyramid show?

a)

Energy flow in a community

b)

Longest lifespans

c)

The stronger animal the higher it is on the pyramid

d)

The amount of energy lost in food chains.

40.

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

a)

10 KJ

b)

1,000 KJ

c)

10,000 KJ

d)

1 KJ

41.

In which type of interaction does one animal eat another for energy and nutrients?

a)

Competition

b)

Parasitism

c)

Predation

d)

Mutualism

42.

Which of the following is NOT a symbiotic relationship?

a)

Commensalism

b)

Competition

c)

Mutualism

d)

Parasitism

43.

What term describes organisms striving for the same limited resources?

a)

Competition

b)

Predation

c)

Mutualism

d)

Commensalism

44.

What type of competition is shown in this image?

a)

interspecific

b)

intraspecific

c)

interspecies

d)

introspection

45.

What type of competition is shown in the image?

a)

intraspecific

b)

introduction

c)

interspecifc

d)

intraspecies

46.

Commensalism is a symbiotic relationship in which what occurs between the organisms?

a)

both organisms are harmed

b)

one benefits, the other is unaffected

c)

one benefits, the other is harmed

d)

one benefits by eating the other

47.

Fleas living within a mammal's fur describes this type of relationship:

a)

Competition

b)

Mutualism

c)

Predation

d)

Parasitism

48.

A crab is protected from fish when an anemone rides on its shell. The anemone gets more food.

a)

Commensalism

b)

Competition

c)

Mutualism

d)

Predation

49.

Orchid vines are skinny and grow on the trunk of trees to get more light and space with no negative effect.

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Competition

50.

When the population of predators gets too high...

a)

Prey pop. will increase--> predator pop. will increase

b)

Prey pop. will decrease--> predator pop. will increase

c)

Prey pop. will decrease--> predator pop. will decrease

d)

It depends on the biome

51.

An organism's ability to survive and reproduce

a)

niche

b)

habitat

c)

adaptation

d)

fitness

52.

The idea that no two species within an ecosystem can occupy the exact same niche at the same time

a)

competitive overlap

b)

niche overlap

c)

competitive exclusion

d)

niche differentiation

53.

An organism's _________ is defined as the environment in which it lives.

a)

habitat

b)

niche

c)

social structure

d)

ecosystem

54.

An organism's place in the biotic environment and its role in an ecosystem is

a)

Niche

b)

Epitope

c)

Habitat

d)

Habit

55.

What is another name for evaporation of water through the leaves of plants?

a)

Transpiration

b)

Condensation

c)

Precipitation

d)

Percolation

56.

Rain, sleet, snow, and hail are all forms of _____.

a)

Runoff

b)

Evaporation

c)

Condensation

d)

Precipitation

57.

Which of the following best explains why nitrogen fixation must take place?

a)

Nitrogen must be returned to the atmosphere

b)

Nitrogen gets "stuck" in the soil and must be untrapped

c)

Atmospheric nitrogen is unusable to plants and animals

d)

Animals must breathe in nitrogen

58.

What gas is released by plants from the process of photosynthesis?

a)

air

b)

carbon dioxide

c)

oxygen

d)

hydrogen

59.

When nitrogen gas is turned in to a form that plants and animals can use is called

a)

Combustion

b)

Photosynthesis

c)

Decomposition

d)

Nitrogen Fixation

60.

What organisms are responsible for Nitrogen Fixation?

a)

plants

b)

bacteria

c)

protists

d)

fungus

61.

What type of growth is shown in the graph?

a)

logistic

b)

exponential

c)

predator-prey cycle

d)

boom-bust curve

62.

Carrying capacity is defined as

a)

unlimited growth due to unlimited resources

b)

unlimited growth followed by stable population size

c)

the maximum number of individuals an ecosystem can hold

d)

the point at which exponential growth starts

63.

Exponential growth is defined as

a)

A period of rapid growth followed by a stable population.

b)

A period a rapid growth due to unlimited resources.

c)

A period of slow, stable growth.

d)

A period of rapid growth followed by a population crash.

64.

What is the carrying capacity for the population of seals?

a)

1500

b)

5500

c)

6500

d)

7500

65.

The type of growth that occurs when disease and parasite are present (limiting factors).

a)

J-shaped

b)

logistic

c)

exponential

d)

predator-prey

66.

How does competition increase/decrease the carrying capacity of an ecosystem for the competing animals?

a)

Increases

b)

Decreases

c)

Stays the same

67.

If a population grows beyond carrying capacity, what can happen?

a)

Overall population continues to increase

b)

The population continues to increase then crashes.

c)

The population size steadily decreases

d)

The population size decreases then increases quickly.

68.

When birth rates are higher than death rate, the population size will

a)

increase

b)

decrease

c)

stay the same

69.

Immigration is defined as

a)

the movement of individuals out of a population

b)

the movement of individuals into a population

c)

the movement of individuals into AND out of populations.

d)

death rate + birth rate

70.

Emigration is defined as

a)

movement into AND out of a population

b)

movement into a population

c)

movement out of a population

d)

birth rate + death rate

71.

Two arctic fox are fighting with a polar bear for a sea lion carcass. One fox distracts the bear while the other eats. What type of limiting factor is the polar bear?

a)

Predator-Prey Relationships

b)

Competition

c)

Herbivory Effect

d)

Weather

72.

A group of elephants gets stuck in mud at the edge of the river from a recent mud slide. A lion waits for an elephant to get tired before it attacks. What is the limiting factor to the elephant population?

a)

Natural Disaster

b)

Predator-Prey Relationships

c)

Herbivory Effect

d)

Competition

73.

Which of these factors do not respond to the density of a population in an ecosystem?

a)

Density Dependent Limiting Factors

b)

Density Independent Limiting Factors

c)

Herbivory Effect

d)

Competition

74.

Which of these limiting factors has an influence on the growth of a population based on its density?

a)

Natural Disasters

b)

Seasonal Changes

c)

Overcrowding

d)

Weather

75.

What is formed during primary succession that doesn't need to be formed during secondary succession?

a)

pioneer species

b)

soil

c)

climax community

d)

lichens

76.

What type of succession is shown going from figure A to figure B?

a)

primary succession

b)

eutrophication

c)

secondary succession

d)

Intermediate

77.

After a forest fire, an ecosystem would start regrowth through -

a)

primary succession

b)

secondary succession

c)

climax community

d)

limiting factors

78.

Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?

a)

A drought

b)

A flood

c)

A volcanic eruption

d)

A tornado

79.

Succession that occurs in an area with no soil

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer species

80.

The first organisms to populate an ecosystem during succession (like lichens and moss) are

a)

climate species

b)

primary species

c)

pioneer species

d)

climax community