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Unit 8 review

Total questions: 100

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

A group of ecosystems with similar climates and types of organisms is called

a)

Ecosystem

b)

Biome

c)

Community

d)

Hemisphere

2.

Which biome consists of lakes, rivers, and streams and only includes 3% of the Earth’s water?

a)

Marine open ocean

b)

Marine coastal

c)

Tundra

d)

Freshwater

3.
A biome is......
a)
Like a snowglobe that you shake and can see different types of animals.
b)
A large region of earth with a certain type of climate
c)
An area of earth only found in the United States.
d)
A community of living things.
4.
Biotic factors of an ecosystem are:
a)

non-living things

b)

always plants

c)

living things

d)
soil
5.
Identify an a example of an abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
sunlight
6.
What is the interaction when butterflies and bees are pollinating flowers?
a)
biotic-biotic
b)
biotic-abiotic
c)
abiotic-abiotic
7.
60 degrees latitude receives sunlight that is
a)
more direct & intense than 0 degrees
b)
less direct & intense than 0 degrees
c)
the same as 30 degrees in intensity
d)
more direct & intense than 30 degrees
8.
The area roughly between 23 degrees North & 23 degrees South is known as the 
a)
tropical zone
b)
temperate zone
c)
polar zone
9.

The average, year-after-year conditions of temperature, precipitation, winds, and clouds in an area:

a)

Tropical Zone

b)

Climate

c)

El Niño

d)

La Niña

10.

Seasonal changes in daylight hours and climatic conditions are caused by

a)

lunar phases

b)

ocean currents

c)

the 23.5 degrees tilt of Earth's axis

d)

the annual change of distance from sun to Earth

11.

Climate in a regions is

a)

Determined only by seasonal daylight hours

b)

Never affected by ocean currents

c)

the atmospheric conditions on a given day

d)

the long-term, prevailing atmospheric conditions

12.

Which affects wind more?

a)

Longitude

b)

Latitude

c)

Earth's tilt

d)

Solar Activity

13.

The greenhouse effect makes Earth

a)

colder

b)

warmer

c)

none of the above

14.

Global warming is known as the gradual increase in _________________ of the atmosphere.

a)

precipitation

b)

sun spots

c)

temperature

d)

ocean currents

15.

Which zone is the tropical zone?

a)

Zone B

b)

Zone C

c)

Zone D

d)

Zone E

16.
What is climate?
a)
What's happening in space at a time and place.
b)
What's happening in our atmosphere at a time and place
c)
The average weather over many years
d)
The average temperature over many years.
17.

How are biotic and abiotic factors related?

a)

they aren't

b)

they both can affect the life of an organism

c)

you can only have one

d)

cousins

18.

Levels of Ecological Organization consists of...(more than one answer)

a)

An individual organism of a species

b)

A population of a group of individuals that belong to the same species

c)

A community of different populations living together in a defined area

d)

An ecosystem where all organisms that live in a place, together with their physical environment

19.

The biosphere includes...

a)

Only weather and climate patterns

b)

Only organisms

c)

Only abiotic parts

d)

All forms of life and their surroundings so it includes everywhere life exists

20.

An abiotic factor is....

a)

a population of bugs

b)

a range of mountains

c)

a clump of grass

d)

a tree

21.

What is a population?

a)

A group of individuals of the same species living together in the same place at the same time.

b)

A number of populations living together in the same place at the same time.

c)

A big group of humans

22.

What term is used for long-term averages of weather conditions?

a)

Climate

b)

Weather

c)

Temperature

d)

Ozone

23.

All of Earth's water

a)

Cryosphere

b)

Geosphere

c)

Hydrosphere

d)

Biosphere

24.

Contains all living things on Earth

a)

Biosphere

b)

Geosphere

c)

Atmosphere

d)

Hydrosphere

25.
It was hot all week last week.  Is this a sign of climate change?
a)
Yes
b)
No
26.
Worldwide, temperatures have been increasing for more than 100 years.  Is this evidence of global warming?
a)
yes
b)
no
27.

What is the biosphere?

a)

all the air and gases on the planet

b)

made up of living things

c)

the non-living soil, rocks, and minerals of the Earth

d)

the rivers, lakes, and oceans of the Earth

28.

What is the atmosphere?

a)

all the air and gases on the planet

b)

made up of living things

c)

the non-living soil, rocks, and minerals of the Earth

d)

the rivers, lakes, and oceans of the Earth

29.

Since 1880, global land-ocean temperatures have shown

a)

a warming trend.

b)

a cooling trend.

c)

a cooling trend until 1950, then a rapid warming trend.

d)

no trend.

30.

Which two factors determine the climate in a particular region?

a)

temperature and latitude

b)

precipitation and humidity

c)

temperature and precipitation

d)

humidity and air pressure

31.

What are the three main climate zones?

a)

tropical, thermal, polar

b)

tropical, temperate, polar

c)

cold, super hot, blah

d)

polar, tropical, humid

32.

What climate zone is located near the equator where the sun is directly overhead all year?

a)

polar

b)

tropical

c)

desert

d)

temperate

33.

Which factor does NOT affect the kind of climate an area has?

a)

distance from the equator (latitude)

b)

elevation

c)

proximity to bodies of water

d)

wind direction

34.

Is the Earth heated evenly?

a)

Yes

b)

No

35.

Which of the following refers to a community of living organisms and the way they interact with nonliving parts of their environment?

a)

trophic

b)

biome

c)

habitat

d)

ecosystem

36.

The term ecologists use to describe the number of individuals moving away from a population is

a)

Emigration

b)

Immigration

37.

The term ecologists use to describe the number of individuals moving into a population is

a)

Emigration

b)

Immigration

38.

What is a population ?

a)

Disturbance has removed vegetation but left soil intact.

b)

The natural birth, growth and development of ecosystem.

c)

All organisms of a species that live in the same area.

d)

A community of interacting organisms and their environment.

39.

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

a)

It will increase.

b)

It will decrease.

c)

It will stay the same.

d)

It will fluctuate.

40.

If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

a)

It will increase.

b)

It will decrease.

c)

It will stay the same.

d)

It will fluctuate.

41.

A small island nation is tracking its total population.  It started with exactly 100 people. During the year, 10 people immigrated, while 20 emigrated.  The birth rate was 15, and the death rate was 5.  What is the new population of the country?

a)

115

b)

110

c)

90

d)

No change; the population is still 100.

42.

One of the Factors that affect population size:

INCREASE: Number of ___________

a)

Birth

b)

Death

c)

Emigration

d)

None of them

43.

One of the factors Factors that affect population size:

DECREASE: Number of ___________

a)

Birth

b)

Emigration

c)

Immigration

d)

None of them

44.

Which factor might not contribute to an exponential growth rate in a given population?

a)

lower death rates

b)

higher birth rates

c)

less competition

d)

reduced resources

45.

Does the graph represent an exponential growth or logistic growth?

a)

Exponential Growth

b)

Logistic Grwoth

46.

What type of growth is shown on this graph?

a)

Logistic

b)

Exponential

c)

Carrying Capacity

47.

The carrying capacity of a population is the largest population the environment can support.

a)

True

b)

False

48.

If a population is growing exponentially, it has met its carrying capacity.

a)

True

b)

False

49.

Resources are limiting factors

a)

True

b)

False

50.

What is a limiting factor?

a)

Something that causes the growth of a population to decrease

b)

Something that causes a population to grow a lot

51.

What limiting factors do not usually depend on population density?

a)

Natural disasters like a flood

b)

Predators

c)

Competition

d)

Disease

52.

Which of the following would be considered a density dependent limiting factor?

a)

Floods

b)

Tornadoes

c)

Predators

d)

Earthquake

53.
Limiting factors which impact the size of a population no matter how large that population is.
a)
Density Independent Limiting Factors
b)
Density Dependent Limiting Factors
c)
Carrying Capacity
d)
Exponential Growth
54.
Limiting factors are sometimes helpful because they can keep the population from getting too large.
a)
True
b)
False
55.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
56.
Excessive amounts of rain caused a flood in the southwest United States that resulted in substantial amounts of deaths in the rabbit population? This situation is an example of a density _____________ limiting factor.
a)
density-independent
b)
density-dependent
c)
density- too high
d)
density- too low
57.
Limiting factors which impact the size of a population no matter how large that population is.
a)
Density Independent Limiting Factors
b)
Density Dependent Limiting Factors
c)
Carrying Capacity
d)
Exponential Growth
58.

A lion and a cheetah attempt to occupy the same niche. The more aggressive lion survives; the cheetah does not.

a)

Density-Dependent: Competition

b)

Density-Independent: Competition

c)

Density-Dependent: Predator-Prey

d)

Density-Independent: Predator-Prey

59.

Which of the following is a density-dependent limiting factor?

a)

human activities

b)

unusual weather

c)

competition

d)

natural disaster

60.

A massive tornado

a)

density dependent limiting factor

b)

density independent limiting factor

61.

Due to stress, large numbers of female lemmings miscarry their young and fail to reproduce.

a)

Density-Dependent

b)

Density-Independent

62.

At what population was carrying capacity met?

a)

250

b)

1000

c)

400

d)

720

63.

Logistic population growth can be described as

a)

growth when resources are limited

b)

a s-shaped curve

c)

reaching carrying capacity

d)

all of the above

64.

Density-independent limiting factors to population growth includes

a)

stress from overcrowding

b)

parasitism

c)

competition

d)

natural disasters

65.

Three factors can affect population size

a)

births, deaths,leaves or enters population

b)

deaths, birth, buildings

c)

photosynthesis, weather, deaths

d)

houses, weather, heath

66.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 
a)
parasitism
b)
commensalism
c)
mutualism
67.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. 
a)
parasitism
b)
commensalism
c)
mutualism
68.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 
a)
parasitism
b)
commensalism
c)
mutualism
69.
 The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.
a)
parasitism
b)
commensalism
c)
mutualism
70.

Which of the following shows the symbiotic relationship between the Rodent and the Bird?

a)

Mutualism

b)

Commensalism

c)

Competition

71.

Hermit Crabs live in shells made and then abandoned by snails.

a)

Commensalism

b)

Parasitism

c)

Competition

72.
Two male Giraffes are fighting over the last green leaf of a tree that is dying.  
a)
Competition
b)
Mutualsim
c)
Predation
d)
Commensalism
73.
a relationship that occurs when two or more organims of the same species need the same resource at the same time
a)
competition
b)
symbiosis
c)
predation
74.
In a parasitic relationship, one organism is ___________ and one organism is benefiting. 
a)
helped
b)
harmed
c)
not effected
d)
happy
75.
In a mutual relationship, both organisms are ________________. 
a)
hurt
b)
not effected
c)
harmed
d)
benefiting 
76.
1.  A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar. 
a)
commensal relationship 
b)
parasitic relationship 
c)
mutual relationship 
77.
A tick is a parasite to a horse. Which statement best describes the relationship between the tick and the horse? 
a)
a.  The tick helps the horse get food. 
b)
a.  The tick harms the horse by feeding on its blood. 
c)
a.  The horse harms the tick by feeding on its blood. 
d)
The tick does not affect the horse. 
78.
Which is an example of commensalism?
a)
Two different kinds of organisms harming each other. 
b)
Two different kinds of organisms are neither helping nor harming each other. 
c)
One kind of organism is being helped, but the other one is not harmed or helped. 
d)
One kind of organism is being helped, but the other is harmed. 
79.
A coyote captures, kills, and eats a rabbit. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
80.

The ecological role an organism performs in their specific environment is considered the organism's...

a)

Habitat

b)

Population

c)

Biome

d)

Niche

81.

a relationship between two species in which both species compete for limited resources such that both species are negatively affected by the relationship

a)

Symbiosis

b)

interspecific competition

c)

species richness

d)

species-area effect

82.

A relationship in which two different organisms live in close association with each other

a)

interspecific competition

b)

Mutualism

c)

Symbiosis

d)

Commensalism

83.
The ecological niches of three bird species are shown in the diagram. What is the advantage of each bird species having a different niche?
a)
As more birds feed higher in the tree, available energy increases.
b)
More abiotic resources are available for each bird.
c)
Predators are less likely to feed on birds in a variety of locations.
d)
There is less competition for food.
84.

What is a keystone species?

a)

A species that helps to hold an ecosystem together

b)

A species that lives in or around rocks

c)

Keys and stones have nothing to do with ecology

d)

A keystone isn't a living thing, it's just a stone

85.
When put together, one organism outcompetes the other for resources.  This is an example of:
a)
competitive exclusion principle
b)
speciation
c)
biological niche
d)
evolution
86.

A habitat is ___________________.

a)

the place or kind of place in which an animal or plant naturally lives.

b)

is how plants produce their own food.

c)

is an animal that only eats meat.

d)

the place where only one animal lives.

87.

A niche ________________.

a)

is the function that an organism performs in the food web of that community.

b)

includes everything else the organism does and needs in its environment.

c)

is specific to each individual animal and plant.

d)

All of the above.

88.

where an organism lives and what it does "for a living"; an organism's "role" within an ecosystem

a)

habitat

b)

niche

c)

competition

d)

biome

89.

the state or condition of feeding on plants

a)

predator

b)

prey

c)

herbivory

d)

resourcing

90.

These images represent which phenomenon?

a)

logistic growth

b)

competitive exclusion

c)

exponential growth

d)

predator prey relationships

91.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
92.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
93.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
94.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
95.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
96.

Which of the following tells you population density?

a)

the number of births per year

b)

the number of frogs in a pond

c)

the number of deaths per year

d)

the number of bacteria per square millimeter

97.

If immigration and emigration numbers remain equal, which is the most important contributing factor to a slowed growth rate?

a)

increased birthrate

b)

constant death rate

c)

decreased birthrate

d)

constant birthrate

98.

The movement of organisms into a range is called

a)

immigration

b)

emigration

c)

population shift

d)

carrying capacity

99.

There are 12 Flamingos in 3 square kilometers of a wetland, what is the population density?

a)

4 Flamingos/square km

b)

12 Flamingos/square km

c)

3 Flamingos/square km

d)

9 Flamingos/square km

100.

Where does most of the plastic end up?

a)

landfills

b)

schools

c)

litter on the streets

d)

oceans

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