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NGSS Bio/Earth Final Exam Semester 1

Total questions: 86

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

2.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

3.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

4.

Something that regulates the size of a population is called...

a)

a limiting measure

b)

a limiting factor

c)

carrying capacity

d)

biodiversity

5.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

6.

When death rate is equal to birth rate...

a)

population increases

b)

population decreases

c)

population stays the same.

d)

population rapidly increases then becomes stable

7.

When the death rate rises and the birth rate lowers...

a)

population increases

b)

population decreases

c)

population stays the same

d)

all of these

8.

When birth rate is high and death rate is low...

a)

population increases

b)

population decreases

c)

population stays the same

d)

all of these

9.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

10.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

11.
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
12.

If the carrying capacity of a predator decreases, what will happen to the carrying capacity of the prey?

a)

Will Increase

b)

Will Decrease

c)

Will stay the same

13.

The graph to the right shows the interaction of the wolf and moose populations on Isle Pekie. If the moose population continues to increase, the wolves' food supply will increase. What will most likely happen to the wolf population as a result?

a)

It will decrease.

b)

It will increase.

c)

It will remain the same.

14.

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that

the population increased each year for 3 years, and then remained nearly constant for the rest of

the study. The best explanation for this observation is that the population had

a)

stopped reproducing

b)

reached carrying capacity

c)

mutated into a different species

d)

run out of food and all died

15.

What are factors that affect carrying capacity?

a)

Biotic only

b)

Biotic and abiotic

c)

Depends on the ecosystem

d)

Abiotic only

16.

What is interdependent relationship?

a)

A condition that occurs when two or more organisms compete for the same resources within an ecological community

b)

All the biotic and abiotic factors and the interactions among them in a given area

c)

The maximum number of organisms an ecosystem can support

d)

A relationship in which two organisms are mutually dependent on each other for survival

17.

Which statement best describes the predator-prey relationship displayed on this graph?

a)

There is no relationship between the predator and prey.

b)

When the prey population increases, the predator population decreases.

c)

When the prey population increases, the predator population increases.

d)

when the predator population increases, the prey population increases.

18.

Which of the following is a biotic factor that would affect the carrying capacity of a population?

a)

Soil

b)

Predator

c)

Rainfall

d)

Sunlight

19.

What are factors that affect carrying capacity?

a)

Biotic only

b)

Biotic and abiotic

c)

Depends on the ecosystem

d)

Abiotic only

20.

What is carrying capacity?

a)

A condition that occurs when two or more organisms compete for the same resources within an ecological community

b)

A relationship in which two organisms are mutually dependent on each other for survivial

c)

All the biotic and abiotic factors and the interactions among them in a given area

d)

The maximum number of organisms an ecosystem can support

21.

What is ecosystem?

a)

A condition that occurs when two or more organisms compete for the same resources within an ecological community

b)

All the biotic and abiotic factors and the interactions among them in a given area

c)

The maximum number of organisms an ecosystem can support

d)

A relationship in which two organisms are mutually dependent on each other for survival

22.

A condition that occurs when two or more organisms compete for the same resources within an ecological community

a)

Interdependent Relationship

b)

Carrying Capacity

c)

Competition

d)

Ecosystem

23.

Which statement best describes the term limiting factors?

a)

All the biotic and abiotic factors and the interactions among them in a given area

b)

A finite resource organisms in an ecosystem require

c)

The biotic and abiotic factors in an ecosystem

d)

The maximum number of organisms an ecosystem can support

24.

All of the organisms of one species living in the same area.

a)

Individual

b)

Population

c)

Community

d)

Ecosystem

25.

Leveling off of the population after the maximum number the environment can support has been reached.

a)

Exponential

b)

Carrying capacity

c)

Linear

d)

Negative

26.

Which of the following would likely be a limiting factor to a population?

a)

Abundance of food

b)

Living near a water source

c)

Presence of a natural predator

d)

Multiple sources for shelter

27.

When rabbits were introduced to Australia, they began to breed exponentially. However, over time their population has begun to decrease due to a limiting factor.


What is most likely the limiting factor in this situation?

a)

Abundant space to breed and live

b)

No available predator in the area

c)

Rabbits choosing not to mate to conserve space

d)

Lack of available food

28.

Which of the following demonstrates population growth when there is limited available water in an area?

a)
b)
c)
29.

Habitat availability increases for a population. How would the carrying capacity of the prey change?

a)

The carrying capacity would increase as more resources become available.

b)

Carrying capacity occurs independent of factors in the environment.

c)

The carrying capacity would decrease as more resources became available.

d)

The carrying capacity is set in an environment and cannot change.

30.

When Yellowstone National Park was created in the late 1800s, wolves were on the decline. The last wolves in Yellowstone were killed in 1926, but in the 1800s, there were between 100-160 wolves in the park. In 1995, gray wolves were reintroduced to the park.


Which graph (drawn in red) below shows a prediction of how the population would change if there was less water available in the ecosystem?

a)
b)
c)
d)

There would be no change to carrying capacity.

31.

carrying capacity is

a)

the number of organisms in an environment

b)

factors that limit population size

c)

the smallest population an environment can support

d)

the largest population an environment can support

32.

According to the graph, what is causing the deer population to decrease

a)

They got sick

b)

The wolf population is decreasing

c)

The wolf population increased

d)

They ran out of food

33.

Predator population lags behind prey population because......

a)

Increase in predators leads to decrease in prey

b)

Increase in predators leads to increase in prey

c)

Increase in predators leads to decrease in producers

d)

Increase in producers leads to increase in prey

34.
What statement is TRUE about the graph?
a)
The prey is the green line because there needs to be more prey than predators.
b)
The prey is the red line because there needs to be more predators than prey.
c)
The green line is the producers
d)
The red line is the producers
35.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
36.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

37.

Where is the Serengeti located?

a)

Near the equator, Africa

b)

Near the equator, Asia

c)

Near the poles, Africa

d)

Near the poles, Asia

38.

What Serengeti grazer is this?

a)

Wildebeest

b)

Cape Buffalo

c)

Kudu

d)

Impala

39.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

40.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

41.

In this graph we see a population increasing, then ____ as it reaches _____.

a)

increasing more; the top of the graph

b)

leveling off; a lack of food

c)

leveling off; carrying capacity

d)

increasing; for more food

42.

What happened to the buffalo population in the Serengeti between 1960 an 1975

a)

Increased

b)

Decreased

c)

Stayed the same

43.

What continent is the Serengeti located on?

a)

North America

b)

Asia

c)

Africa

d)

Antartica

44.

What happened to the buffalo population in the Serengeti between 1975 and 2000

a)

Increased

b)

Decreased

c)

Stayed the same

45.

Which country is the Serengeti located in?

a)

Tanzania

b)

South Africa

c)

Cameroon

d)

Ghana

46.

What is one animal that you were surprised to find out lived in the Serengeti?

4 lines
47.

Identify the climate in a grassland.

a)

dry and hot

b)

wet and cold

c)

dry and cold

48.

The Savanna Biome is mostly made up of what?

a)

Trees

b)

Water

c)

Sand

d)

Grass

49.

the variety of life in the world or in a particular habitat or ecosystem

a)

biodiversity

b)

demography

c)

carrying capacity

d)

poaching

50.

The Serengeti ecosystem is a geographical region in Africa, spanning northern Tanzania.

a)

true

b)

false

51.

What do we call a group of organisms of the same species?

a)

population

b)

ecosystem

c)

trophic level

d)

community

52.

Where do wildebeests primarily live?

a)

Amazon Rainforest

b)

Serengeti plains of southeastern Africa

c)

Australian Outback

d)

Siberian Tundra

53.

What do you call an organism that kills another organism for food?

a)

producer

b)

predator

c)

consumer

d)

herbivore

54-63.

Answer the questions below after watching the video

54.

What triggers the wildebeest migration in the Serengeti?

a)

Changes in the weather

b)

Nightfall

c)

Availability of water

d)

Predator movements

55.

Which river do the wildebeests face during their migration?

a)

Mississippi River

b)

Mara River

c)

Amazon River

d)

Nile River

56.

What is the main reason newborn wildebeests are vulnerable to predators?

a)

They are too noisy

b)

They are slow and weak

c)

They are left alone

d)

They are too small

57.

What strategy do female wildebeests use to increase the survival chances of their calves?

a)

Teaching calves to swim early

b)

Hiding their calves in bushes

c)

Migrating to safer areas

d)

Timing births to result in many calves at once

58.

What adaptive strategy do wildebeests use to protect their calves?

a)

Camouflage

b)

Rapid movement

c)

Flooding the area with many births at once

d)

Building shelters

59.

How do termites contribute to the Serengeti ecosystem?

a)

By building mounds that regulate temperature

b)

By scaring away predators

c)

By pollinating flowers

d)

By hunting smaller insects

60.

How do dung beetles benefit the Serengeti ecosystem?

a)

By providing food for birds

b)

By cleaning up waste

c)

All of the above

d)

By aerating the soil

61.

Which animals play a crucial role in maintaining the balance of the Serengeti ecosystem?

a)

Crocodiles and hippos

b)

Elephants and lions

c)

Giraffes and zebras

d)

Dung beetles and termites

62.

What major challenge do wildebeests face at the Mara River?

a)

Strong currents

b)

Crocodiles

c)

Polluted water

d)

Steep banks

63.

What is the outcome of the wildebeest's river crossing?

a)

None are able to cross

b)

Many are eaten by crocodiles

c)

All wildebeests survive

d)

Only young wildebeests cross

64.

What does the term "biodiversity" mean?

a)

different plants in an ecosystem

b)

variety of life in an area

c)

different animals in an ecosystem

d)

humans causing harm

65.

Why did humans decide to make the Serengeti a national park?

a)


protect herds and to preserve them for the future


b)

protect the water supply

c)

provide homes for people

d)

provide a game reserve

66.

Select all that apply: What is an example of a component within an ecosystem?

a)

the Hoh river water

b)

labels

c)

an alligator eating a turtle

d)

phytoplankton within Lake Michigan

67.

Which migratory heard animal is responsible for the Serengeti National Park? This animal was also the reason they changed the boundaries of the park?

a)

Giraffes

b)

Wildebeest

c)

Zebras

d)

Lions

68.

Select all that apply: What are the criteria that humans should consider when deciding to step in and save an ecosystem? (why pick one ecosystem over another?)

a)

Lots of Biodiversity

b)

Endangered Animals in the Area

c)

Valuable Resources

d)

Land with cultural significance

69.

Select all that apply: An ecosystem includes?

a)

Animals

b)

Plants

c)

All living things

d)

The habitat/physical environment

70.

How are ecosystems protected?

a)

Laws

b)

The use of park rangers to protect the area

c)

Open availability to humans without regulation

d)

Limited unsupervised human access

71.

Human decision-making has NO effect on ecosystems.

a)

True

b)

False

72.

What does abiotic mean?

a)

Living

b)

Non-living

73.

What does biotic mean?

a)

living

b)

non-living

74.

What does conservation mean?

a)

Protect and Preserve

b)

Harm

c)

Discard

d)

observe and evaluate

75.

Select all that apply: What were humans doing in the Serengeti Ecosystem before it was created?

a)

Hunting animals for sport

b)

Visiting to help preserve the environment

c)

Locals did not want to leave the ecosystem

76.

Select all that apply: What are potential conservation criteria to look for when choosing an area to conserve/protect and possibly make into a Nationally protected park?

a)

Abundance of Resources

b)

Cultural Significance

c)

Lack of significant resources

d)

Minimal/very little Life (Animal/Plants)

77.

Select all that apply: How do the Wildebeests migrate?

a)

In a circle

b)

Monthly

c)

Weekly

d)

They do not

78.

Which of the following is NOT a necessary factor in creating a model?

a)

Pictures

b)

Components

c)

Interactions

d)

Boundaries

79.

The Serengeti National Park encompasses the entire Serengeti ecosystem? 

a)

True

b)

False

80.

The variety of life within an ecosystem is called

a)
monoculture
b)
homogeneity
c)
uniformity
d)
biodiversity
81.

The variety of organisms found in a particular ecosystem.

a)

Biodiversity

b)

Symbiosis

c)

Population

d)

Community

82.

Ecosystems are made up of....

a)

abiotic factors only

b)

biotic and abiotic factors

c)

air and nutrients only

d)

Non-living things only

83.

The current extinction event is being caused by

a)

a meteor strike.

b)

an alien invasion.

c)

the increasing amount of hydrogen sulfide gas.

d)

human activities.

84.

Which of the following is NOT a human impact that affects the environment negatively?

a)

Recycling

b)

Water pollution

c)

Air pollution

d)

Deforestation

85.

The study of the environment is called

a)

Ecology

b)

Science

c)

Chemistry

86.

Between 1960 and 1975 the population of buffalo in the Serengeti was doing what?

a)

Migrating

b)

Remaining stable

c)

Increasing

d)

Decreasing

87.

Where is the Serengeti located?

a)

Near the equator, Africa

b)

Near the equator, Asia

c)

Near the poles, Africa

d)

Near the poles, Asia

88.

Which predator did we use in our study to determine if they affected buffalo populations?

a)

Lions

b)

Tigers

c)

Bears

d)

Oh Mys

89.

Based on our study, which of the following are migratory animals?

a)

Bison

b)

Buffalo

c)

Water buffalo

d)

Wildebeest

90.

Migration can help an organism survive because?

a)

There are no predators on the migration.

b)

They can move based on food availability.

c)

They can travel for the seasons.

d)

Tourism doesn't happen in the same locations as the migration.

91.

Carrying capacity can be on graphs by?

a)

Locating the greatest increase

b)

Locating any change

c)

Determining where the line is horizontal

d)

Determining where the line is vertical

e)

Can't be seen on graphs

92.

What Serengeti grazer is this?

a)

Wildebeest

b)

Cape Buffalo

c)

Kudu

d)

Impala

93.

What is the most common precipitation?

a)

sleet

b)

freezing rain

c)

snow

d)

rain

94.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

95.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

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