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Unit 2 Review: Biosphere

Total questions: 61

Worksheet time: 3600secs

Name
Class
Date
1.
The non living parts of an ecosystem
a)
abiotic factors
b)
biotic factors
c)
oxygen
d)
soil
2.
All of the different populations that live in a specific area.
a)
ecosystem
b)
habitat
c)
ecology
d)
community
3.
The study of the interaction of living and nonliving things in the environment.
a)
biology
b)
ecology
c)
zoology
d)
psychology
4.
All the members of one type of species in a specific area.
a)
habitat
b)
community
c)
population
d)
ecosystme
5.
the living parts of an ecosystem
a)
biotic factors
b)
biology
c)
abiotic factors
d)
animals
6.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
7.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
8.

What is an advantage of a biodiverse ecosystem?

a)

Can withstand changes in resources

b)

Can recover more quickly from a natural disaster

c)

Can withstand the immigration of a new predator

d)

all of the above

9.
Humans are causing extiction in which ways?
a)
By over hunting animals for food or products.
b)
By destroying the natural habitat of species.
c)
By polluting the environments of the world.
d)
All of the above.
10.

Biodiversity leads to

a)

Increased Stability

b)

Decreased Stability

c)

Increased Exctintions

d)

Increased Endangered Species

11.
Largest number of individuals of a population that a environment can support
a)
population 
b)
limiting factor
c)
carrying capacity
d)
none of these
12.

What is an ecosystem?

a)

all the living and nonliving factors in an area

b)

a system of pipes and drains in a field

c)

all the living organisms in an environment

d)

an organization system used by scientists

13.

What is a niche?

a)

a stinging insect found in Utah's deserts

b)

a strange smelling marsh

c)

the only mysterious fish that lives in the Great Salt Lake

d)

an organisms specific role in its environment

14.

What is competition?

a)

an interaction between two species where both benefit

b)

an interaction that occurs when two species compete for the same resource

c)

when one animal eats another

d)

a soccer game

15.

What is a limiting factor?

a)

any factor that helps a living thing grow

b)

the opposite of multiplication

c)

any factor that limits population growth

d)

any factor that makes a population grow

16.

What is an invasive species?

a)

a species that is helpful to the environment

b)

a species that has been introduced to an area and causes harm to the ecosystem

c)

both a and b

d)

neither a nor b

17.

An organisms ability to withstand change is called its?

a)

Limit

b)

Tolerance

c)

Niche

d)

Habitat Range

18.

A relationship between two organisms in which one organism benefits and the other is not affected...

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

19.

A relationship between two organisms in which both organisms benefit

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

20.

A relationship between 2 organisms in which one organism benefits and the other is harmed

a)

commensalism

b)

parasitism

c)

mutualism

d)

predation

21.
Commensalism is where one organism is benefiting and the other organism is _____________________. 
a)
not effected
b)
helped
c)
harmed
d)
hurt
22.
In a mutual relationship, both organisms are ________________. 
a)
hurt
b)
not effected
c)
harmed
d)
benefiting 
23.
In a parasitic relationship, one organism is ___________ and one organism is benefiting. 
a)
helped
b)
harmed
c)
not effected
d)
happy
24.

What do the arrows in a food web represent?

a)

mass

b)

energy flow

c)

matter

d)

organisms

25.

What happens as you move higher in the energy pyramid?

a)

more organisms

b)

fewer organisms

c)

number of organisms does not change

d)

organisms die

26.

What type of organism is at the beginning of every food chain?

a)

predator

b)

carnivore

c)

producer

d)

herbivore

27.

an organism that makes its own food

a)

consumer

b)

producer

c)

herbivore

d)

omnivore

28.

an organism that gets energy from eating other things

a)

consumer

b)

producer

c)

energy pyramid

d)

decomposer

29.
How much energy is passed from one trophic level to the next?
a)
1%
b)
10%
c)
50%
d)
100%
30.

The formation of a new species is called

a)

Natural selection

b)

Struggle for existence

c)

Speciation

d)

Darwinism

31.

A new river forms and splits two populations, causing ______________ speciation

a)

Sympatric

b)

Allopatric

c)

Extreme

d)

Convergent

32.

A speciation in which new species evolve from a single ancestral species while inhabiting the SAME geographic region.

a)

Sympatric speciation

b)

Allopatric speciation

c)

Complex speciation

d)

Divergent speciation

33.
What happens when species produce too many offspring?
a)
Species share the limited resources 
b)
Species eat less so that all can survive
c)
Only those that are least fit can survive
d)
Only those that are best fit can survive
34.
Which of the following must happen for a new species to evolve?
a)
Isolation
b)
Adaptation
c)
Differentiation 
d)

All of these

35.

What are survivorship curves?

a)

curves that describe the number of survivors over time

b)

curves that tell us what the limiting factors are

c)

curve that tells us about the carrying capacity

36.

Why don't populations grow indefinitely?

a)

limiting factors

b)

only biotic factors

c)

only abiotic factors

d)

none of the above

37.

parasites, disease, predators, are examples of what type of limiting factors?

a)

density dependent

b)

density independent

c)

competition

38.

weather, disasters, and pollution are examples of what type of limiting factors?

a)

density dependent

b)

density independent

c)

natural selection

39.
What is an invasive species?
a)
A native (naturally found) species which are added to an area. 
b)
A non-native (not naturally found) species added to an area. 
c)
A keystone species in an environment
d)
none of the above
40.

A mouse with a short life span, produces more offspring than can survive, and gives little or no parental care is a

a)

R-strategist species

b)

K-strategist species

41.

An elephant that has only 1 offspring at a time, has a long life span, and provides parental care throughout maturity is a

a)

K- strategist species

b)

R-strategist species

42.

A pattern of survival over time in which there is high survival throughout most of the life span, but then individuals start to die in large numbers as they approach old age.

a)

Type i survivorship

b)

Type ii survivorship

c)

Type iii survivorship

43.

A pattern of survival over time in which there is a relatively constant decline in survivorship throughout most of the life span.

a)

Type ii survivorship

b)

Type i survivorship

c)

Type iii survivorship

44.

A pattern of survival over time in which there is low survivorship early in life with few individuals reaching adulthood.

a)

Type III survivorship

b)

Type II survivorship

c)

Type I survivorship

45.

This graph represents the _______ growth curve.

a)

Exponential

b)

Logistic

46.

This graph represents a _____ growth curve

a)

Logistic

b)

Exponential

47.

Which population is growing faster?

a)

Mexico

b)

The US

c)

It's impossible to tell from this graph

48.

Age structure pyramids

a)
are designed to show a population by age and gender.
b)
can indicate a country’s level of economic development.
c)
can help predict the future of a country’s population.
d)
all of these.
49.
What kind of growth is this country experiencing?
a)
Exponential Growth
b)
Stable Growth
c)
Declining Growth
50.
Name that population pyramid...
a)
Exponential
b)
Declining
c)
Rapid Growth
d)
Stable Growth
51.

What would happen if a forest fire destroyed a community?

a)

The land will remain unchanged by this event.

b)

Soil formation will cause a change in ecosystem.

c)

A new community of vegetation will establish, that is similar to the original.

d)

A change in species of vegetation will occur, that is different from the original species

52.

The two main abiotic factors that determine where organisms live are

a)

temperature and latitude

b)

altitude and precipitation

c)

temperature and precipitation

d)

soil type and precipitation

53.
Choose the correct order of organization from smallest to largest
a)
Species--> Population--> Community--> Ecosystem-->Biosphere
b)
Community--> Species--> Population--> Biosphere --> Ecosystem
c)
Ecosystem--> Community--> Species--> Population--> Biosphere 
d)
Population-->Species--> Community--> Ecosystem-->Biosphere
54.

The variations of weather conditions over long periods of time.

a)

weather

b)

climate

55.

The current state of the atmosphere right now

a)

climate

b)

weather

56.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
57.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
58.
This species is often the first to suffer when the environmental conditions begins to decline
a)
Pioneer Species
b)
Keystone Species
c)
Indicator Species
d)
Exotic Species
59.

A species that plays a far more important in its community than its relative abundance might suggest.

a)

Keystone Species

b)

Pioneer Species

c)

Indicator Species

d)

Exotic Species

60.

They can live in many different places, eat a variety of foods, and tolerate a wide range of environmental conditions.

a)

generalist species

b)

specialist species

c)

strategist species

d)

pioneer species

61.

They may be able to live in only one type of habitat, tolerate only a narrow range of climatic and other environmental conditions, or use only one type or a few types of food.

a)

generalist species

b)

specialist species

c)

invasive species

d)

strategist species

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