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Ecology Unit Review

Total questions: 70

Worksheet time: 42mins

Name
Class
Date
1.

All green plants are

a)

Decomposers

b)

Consumers

c)

Producers

d)

Herbivores

2.

What is the original source of almost all energy in most ecosystems?

a)

Carbohydrates

b)

Sunlight

c)

Water

d)

ATP

3.

What is the term for each step in the transfer of energy and matter within a biological community?

a)

Trophic level

b)

food web

c)

food chain

d)

energy path

4.

What is not a form of symbiosis?

a)

Parasatism

b)

mutualism

c)

commensalim

d)

nonalism

5.

Study of interactions between organisms and their environment

a)

Niche

b)

Ecology

c)

Community

d)

Environment

6.

Members of a species in a defined area

a)

Community

b)

Ecosystem

c)

Biodiversity

d)

Population

7.

Where an organism lives

a)

Habitat

b)

Environment

c)

Biosphere

d)

Heterotroph

8.

Non-living factor that affects an ecosystem

a)

Biotic Factor

b)

Abiotic Factor

c)

Biome

d)

Food Chain

9.

Living factor that affects an ecosystem

a)

Abiotic Factor

b)

Biotic Factor

c)

Biome

d)

Ecosystem

10.

Organisms that breaks down and absorbs nutrients from dead organisms

a)

Carnivore

b)

Herbivore

c)

Decomposer

d)

Omnivore

11.

Consumer that eats plants

a)

Carnivores

b)

Herbivores

c)

Omnivores

12.

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

a)

20%

b)

90%

c)

10%

d)

5%

13.

In the food web shown, the snail would be considered...

a)

Primary Consumer

b)

Tertiary consumer

c)

Secondary consumer

d)

Priducer

14.

An organism that eats both animals and plants

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Producer

15.

symbiotic relationship in which one organisms benefits and the other organism is not affected

a)

Invasive Species

b)

Mutualism

c)

Commensalism

d)

Nitrogen fixation

16.

a relationship between two in which one species, the predator, feeds on the other species, the prey

a)

Chemosynthesis

b)

Predation

c)

Cellular Respiration

d)

Commensalism

17.

What form of symbiosis is this?

a)

Parasatism

b)

Commensalism

c)

Mutualism

d)

Nonalism

18.

Which of the following is an abiotic factor?

a)

Climate

b)

Precipitation

c)

Wind patterns

d)

All the above

19.

Which of the following is an example of secondary succession?

a)

An island emerging from the sea

b)

A farmland regrowing after a tornado

c)

A volcano spewing lava on land

d)

A glacier retreats to reveal new land

20.

Plants are producers and make their own food by...

a)

eating other organisms

b)

photosynthesis

c)

cellular respiration

d)

breaking down decaying matter

21.

What's the greatest benefit to having strong biodiversity?

a)

Organisms will constantly compete for resources.

b)

The food web is small but strong.

c)

The ecosystem will be strong and resilient.

d)

There is no benefit.

22.

Competition is when two organisms need the same ...

a)

ecosystem

b)

biotic

c)

resource

d)

population

23.
What type of succession comes when a community has never been colonized?
a)
Primary succession
b)
Secondary succession
c)
Tertiary succession
d)
Symbiosis succession
24.
Precipitation and evaporation are important components of the
a)
nitrogen cycle
b)
carbon cycle
c)
water cycle
d)
All of the above
25.
Humans are affecting the carbon cycle by
a)
burning gasoline and diesel in cars and trucks
b)
destroying forests that absorb carbon dioxide
c)
burning coal to produce electricity
d)
All of the above
26.
Major ecosystems that occur over wide areas of land are called
a)
communities
b)
habitats
c)
biomes
d)
food chains
27.
How is carbon ADDED to the atmosphere?
a)
combustion (burning fossil fuels) releases carbon dioxide into the air
b)
decay of living things releases carbon dioxide 
c)
carbon dioxide is released during cellular respiration
d)
all of these options are correct
28.
Which type of interaction would describe the relationship between a barnacle attached to a whale that doesn't harm or hurt the whale, but the barnacle benefits by getting a free ride around the ocean?
a)
parasitism (+, -)
b)
mutualism (+, +)
c)
commensalism (+, 0)
d)
predation (+, -)
29.
A rabbit eating grass, or a wolf eating an elk, are both examples of what type of relationship where one organism benefits and the other is harmed?
a)
mutualism (+, +)
b)
commensalism (+, 0)
c)
predation (+, -)
d)
uniformitarianism
30.
All the different populations interacting with each other in a particular area. 
a)
ecosystem
b)
community
c)
population
d)
biosphere
31.
What factor describes when populations increase because animals are moving into a population?
a)
Emigration
b)
Limiting Factors
c)
Immigration
d)
Exponential Growth
32.
Which limiting factor is independent of the number of individuals in a population?
a)
competition
b)
parasitism/disease
c)
stress
d)
natural disasters
33.
What will happen to the population when the birth rate is larger than the death rate?
a)
grow
b)
shrink
c)
stay the same
34.
Which factor is a density-dependent limiting factor on the population of a species?
a)
seasonal variation
b)
natural disasters
c)
unusual weather
d)
predation
35.

Spider monkeys live in a biome with many trees. They move around by swinging from tree to tree. Spider monkeys do not build a nest or take shelter in a cave. Instead, they sleep high up in a tree on a wide branch. Spider monkeys mostly eat fruits and nuts. What type of biome do spider monkeys most likely live in?

a)

desert

b)

polar ice

c)

tropical rainforest

d)

savanna

36.

A biologist is studying a biome that has very cold temperatures. A layer of this biome's soil stays frozen year-round. What biome is the biologist most likely studying?

a)

tundra

b)

temperate deciduous forest

c)

coniferous forest

d)

grassland

37.
Process of liquid water turning into water vapor.
a)
evaporation
b)
precipitation
c)
condensation
d)
percolation
38.
Process of water falling to Earth in the form of rain, snow, sleet, or hail.
a)
evaporation
b)
transpiration
c)
condensation
d)
precipitation
39.

Process of water seeping into the ground.

a)

evaporation

b)

percolation

c)

condensation

d)

precipitation

40.

An error in the coding if an allele

a)

error

b)

mistake

c)

gene

d)

mutation

41.

This biome has high temperatures more than 450 cm of precipitation a year

a)

Tundra

b)

Tropical Rainforest

c)

Savanna

d)

Desert

42.

All the individuals of a species that live in the same place at the same time

a)

community

b)

ecosystem

c)

population

d)

group

43.

When water falls to the ground as snow or rain

a)

precipitation

b)

percolation

c)

transpiration

d)

condensation

44.

In this symbiotic relationship, both organisms benefit

a)

mutualism

b)

commensalism

c)

parasitism

d)

nonalism

45.

When carbon is released into the air or water by burning

a)

absorption

b)

combustion

c)

submersion

d)

evaporation

46.

The variety of living things in a community or ecosystem

a)

Biodiversity

b)

Biotic factors

c)

Population model

d)

Genetic drift

47.

The movement of alleles into and out of a population

a)

Genetic drift

b)

Gene flow

c)

Emmigration

d)

Immigration

48.

The comparison of the number of organisms entering a population to those exiting the population

a)

Population model

b)

Pioneer Species

c)

Population growth

d)

Gene flow

49.

Bogs, swamps and marshes are examples of this freshwater community

a)

shallow ocean waters

b)

surface of the open sea

c)

depths of the ocean

d)

wetlands

50.

Type of evaporation that happens when water is evaporated from plant leaves

a)

percolation

b)

condensation

c)

transpiration

d)

precipitation

51.

What we call a biological community that occurs over a large area of land

a)

ecosystem

b)

biome

c)

habitat

d)

community

52.

Type of consumer that takes waste and dead animals and turns them into nutrients

a)

decomposer

b)

herbivore

c)

omnivore

d)

carnivore

53.

Hypothetical population that attempts to exhibit the characteristics of a real one

a)

population growth

b)

biotic factors

c)

population model

d)

gene flow

54.

When allele frequency changes quickly due to a chance event

a)

gene flow

b)

succession

c)

population growth

d)

genetic drift

55.

Path of energy through the trophic levels

a)

population model

b)

food chain

c)

producer

d)

gene flow

56.

When an organism chooses a mate based on certain characteristics

a)

random mating

b)

population growth

c)

nonrandom mating

d)

dating

57.

Refers to the dominant weather conditions of a specific area

a)

precipitation

b)

climate

c)

biome

d)

ecosystem

58.

Biome with warm weather, low precipitation, that is mostly open land and scattered trees

a)

tundra

b)

temperate forest

c)

savanna

d)

tropical rainforest

59.

The way individuals of a population are arranged geographically

a)

dispersion

b)

population model

c)

population growth

d)

population density

60.

known as the frozen desert, this biome exists between the taiga and the permanent ice around the North Pole

a)

taiga

b)

temperate forest

c)

tundra

d)

temperate grassland

61.

The first species to live in a new habitat where soil is present

a)

population model

b)

population growth

c)

population

d)

pioneer species

62.

The entire range of resource opportunities that an organism is potentially able to occupy.

a)

niche

b)

fundamental niche

c)

realized niche

d)

job

63.

The elimination of a competing species is called

a)

competition

b)

competitive exclusion

c)

elimination

d)

extinction

64.

Traits that are influenced by several alleles are called

a)

polygenic traits

b)

monogenic traits

c)

multi traits

d)

traits

65.

The ______________________________ are small in area and contains most of the ocean’s species, including the intertidal zone, and is home to many marine invertebrates and coral

a)

depths of the ocean

b)

profundal zone

c)

shallow ocean waters

d)

littoral zone

66.

An organism’s _____________________________ is the part of its fundamental niche that it actually occupies.

a)

fundamental niche

b)

niche

c)

realized niche

d)

job

67.

An __________________________ is made up of a community and all the physical aspects of its habitat.

a)

ecosystem

b)

population

c)

community

d)

biome

68.

Biome that is full of conifer trees, located below the tundra

a)

temperate forest

b)

temperate grassland

c)

taiga

d)

savanna

69.

deepest part of a freshwater body

a)

littoral zone

b)

limnetic zone

c)

profundal zone

d)

surface of the open sea

70.

Biome where very little rainfall and mostly warm temperatures. Temperature can fluctuate drastically over the course of a day.

a)

savanna

b)

taiga

c)

tundra

d)

desert