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Abernathy's Populations & Communities

Total questions: 87

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

What is one ABIOTIC factor in this ecosystem?

a)

frog

b)

tadpole

c)

water

d)

snail

2.

What is one BIOTIC factor in this ecosystem?

a)

Soil

b)

Water weeds

c)

Sun

d)

Water

3.

Water, nutrients, soil, sunlight, temperature, and living space are examples of Biotic Factors in a habitat

a)

True

b)

False

4.

Bacteria and fungi in a habitat are examples of BIOTIC factors

a)

True

b)

False

5.

Animals care the most about

a)

survive

b)

reproduce

c)

water

d)

survive and reproduce

6.

Habitat is defined as an environment that provides things which an organism needs to live, grow and reproduce.

a)

True

b)

False

7.

two factors in a habitat are:

a)

Biotic

b)

abiotic

c)

biotic and abiotic

d)

competitive

8.

Living Parts of an organism habitat are also known as:

a)

Abiotic factors

b)

Biotic factors

c)

imprinting

d)

pattern of behavior

9.

ABIOTIC factors are defined as the non Living Parts of an organism habitat

a)

True

b)

False

10.

All living and non-living things that interact in an area is the definition of __________________.

a)

Ecosystem

b)

Community

c)

Population

d)

Organism

11.

All the different populations that live together in an area is the definition of ____________.

a)

Ecosystem

b)

Community

c)

Population

d)

Organism

12.

All the members of one species in a particular area is the definition of ____________.

a)

Ecosystem

b)

Community

c)

Population

d)

Organism

13.

A member of one species is the definition of ____________.

a)

Ecosystem

b)

Community

c)

Population

d)

Organism

14.

Levels of organization from largest to smallest are: Ecosystem -> Community -> Population -> Organism

a)

True

b)

False

15.

Is a Behavior and physical characteristics of species that allow them to live successfully in their environment.

a)

Natural Selection

b)

Adaptation

c)

Insight learning

d)

Cooperative behavior

16.

Arctic hare changes its fur from gray to white in the winter is an example of adaptation.

a)

True

b)

False

17.

Long necks of giraffes for feeding in the tops of trees is an adaptation that helps them to survive.

a)

True

b)

False

18.

this is a/an

a)

population

b)

ecosystem

c)

organism

d)

community

19.
All of the following are examples of limiting factors for a population except...
a)
space
b)
food
c)
time
d)
weather
20.
In which type of interaction do both species benefit?
a)
predation
b)
mutualism
c)
commensalism
d)
parasitism
21.
Which of these relationships is an example of parasitism?
a)
a bird building a nest on a tree branch
b)
a bat pollinating a saguaro cactus
c)
a flea living on a cat's blood
d)
ants protecting a tree that produces the ants' only food
22.
In general, which of the following is a true statement about population size?
a)
If birth rate < death rate, population size increases
b)
If death rate < birth rate, population size decreases
c)
If birth rate > death rate, population size increases
d)
If death rate > birth rate, population size increases
23.
A freshwater lake has a muddy bottom, which is home to different types of algae and other organisms. Many species of fish feed on the algae. Which of the following is an ABIOTIC factor in this ecosystem?
a)
the temperature of the water
b)
the color of the algae
c)
the number of species of fish
d)
the amount of food available to the fish
24.
Which of the following lists the levels of organization in an ecosystem from the smallest unit to the largest?
a)
population, organism, community, ecosystem
b)
organism, population, ecosystem, community
c)
organism, community, population, ecosystem
d)
organism, population, community, ecosystem
25.
The way a species makes its living is ...
a)
natural selection
b)
adaptation
c)
niche
26.
How do you think an increase in the fox population affected the hare population?
a)
The hares decreased beacause there were fewer food sources
b)
The hares increased because there were more food sources
c)
The hares decreased because there were more fox to prey on them
d)
The hares increased because they had more space 
27.
A symbiotic relationship in which one species benefits and the other is harmed
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
28.
A symbiotic relationship in which one organism benefits and the other species is neither harmed or helped
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
29.
An interaction in which one organism kills and eats another organism
a)
competition
b)
mutualism
c)
commensalism
d)
predation
30.
Environmental conditions that prevent populations from increasing
a)
abiotic factors
b)
carrying capacity
c)
limiting factors
d)
biotic factors
31.
The largest population that an environment can support
a)
carrying capacity
b)
ecosystem
c)
adaptation
d)
limiting factors
32.
A(n) ______ is a group of organisms that are physically similar and can mate with each other to produce offspring that can also mate and reproduce.
a)
organism
b)
species
c)
population
d)
community
33.
A term that means to leave a population is 
a)
emigration
b)
immigration
c)
sampling
d)
population density
34.
A prairie dog, a hawk, and a badger all are members of the same ________________.
a)
niche
b)
community
c)
species
d)
population
35.
A part of an environment that keeps a populations size at a level below its full potential. Can be biotic or abiotic
a)
limiting factor
b)
carrying capacity
c)
competition
d)
cooperation
36.
Populations will increase for which of the following reasons.
a)
immigration
b)
increase of deaths
c)
emigration
37.
Populations will decrease if which of the following occur?
a)
immigration
b)
increase in births
c)
emigration
38.
This is an example of...
a)
commensalism
b)
mutualism
c)
parasitism
39.
This is an example of?
a)
symbiosis
b)
predator & prey
c)
mutualism
d)
parasitism
40.
What kind of relationship is this?
a)
predator/prey
b)
commensalism
c)
mutualism
d)
parasitism
41.
What type of relationship is this?
a)
predator/prey
b)
mutalism
c)
commensalism
d)
parasitism
42.
One organism is hurt while the other benefits.
a)
mutalism
b)
parasitism
c)
commensalism
43.
Water, nutrients, soil, sunlight, temperature, and living space are examples of...
a)
biotic limiting factors
b)
abiotic limiting factors
44.
A dramatic change in temperature would most likely result in?
a)
population increase
b)
population crash
45.
moving into an area
a)
immigration
b)
emigration
c)
population
d)
community
46.
moving out of an area
a)
immigration
b)
emigration
c)
population
d)
community
47.
If immigration happens...
a)
the population will increase
b)
the population will decrease
c)
the population will not change
48.
If emigration happens...
a)
the population will increase.
b)
the population will decrease.
c)
the population will not change.
49.
The part of Earth where organisms can live.
a)
biotic factors
b)
biosphere
c)
ecology
d)
biology
50.
The study of interactions in an ecosystem.
a)
ecology
b)
philosophy
c)
scientology
d)
biology
51.
Which is a biotic factor?
a)
sunlight
b)
air 
c)
bacteria
d)
all of the above
52.
A species is closer to extinction if it is _________.
a)
counted by scientists
b)
in national geographic
c)
classified as threatened
d)
classified as endangered
53.
A lion, captures and eats other animals. What is he considered? 
a)
prey
b)
predator
c)
producer 
d)
healthy 
54.

What is population density?

a)

All organisms of the same species that live in the same area at the same time

b)

The part of Earth and its' surrounding atmosphere where life is found

c)

The demand for resources

d)

The size of a population compared to amount of space available

55.

What is the best description of a population?

a)

Population size compared to amount of space and resources available

b)

The demand for resources such as food, water, and shelter

c)

Parts of Earth and the atmosphere where life is found

d)

All organisms of the same species that live in the same area at the same time

56.

What does it mean when animals "compete"

a)

They live in the same area at the same time

b)

They have atmosphere and life around them

c)

They have a demand for resources like food, water, and shelter

57.

What happens when animals are "extinct"?

a)

Animals die at the same period of time

b)

Animals of the same species completely die out and none are left

c)

Animals of the same species that are at risk, but not endangered yet

d)

Animals of the same species that are at risk of extinction

58.

What is death rate?

a)

The number of organisms that die at the same time period

b)

A species that dies out completely and none of them are left

c)

The number of organisms that are born at the same time period

59.

Limiting factors include: shelter, water, food

a)

True

b)

False

60.

A disease caused all of the frogs to completely die out, what will happen to the population of small fish?

a)

Population will decrease because the kingfisher will eat them

b)

Population will increase because kingfisher died

61.

A close, long-term relationship between two species that usually involves an exchange of food or energy

a)

Symbiosis

b)

Symbiotic relationship

c)

Commensalism

d)

Mutualism

62.

A symbiotic relationship that benefits one species but does not harm or benefit the other

a)

Parasitism

b)

Commensalism

c)

Symbiosis

d)

Mutualism

63.

less food, no living space, natural disasters, predation, diseases are all reasons why population sizes may decrease

a)

True

b)

False

64.

Look at the picture carefully. Decide if the picture shows a population or a community.


All of the animals in the rain forest.

a)

Population

b)

Community

65.

Look at each picture carefully. Decide if the picture shows a population or a community.


The deer in the forest.

a)

Population

b)

Community

66.

Look at each picture carefully. Decide if the picture shows a population or a community.


The sharks in the Pacific Ocean.

a)

Population

b)

Community

67.

Look at each picture carefully. Decide if the picture shows a population or a community.


All the species in the ocean.

a)

Population

b)

Community

68.

Look at each picture carefully. Decide if the picture shows a population or a community.


The penguins in Antarctica.

a)

Population

b)

Community

69.

Look at each picture carefully. Decide if the picture shows a population or a community.


All the organisms in the desert.

a)

Population

b)

Community

70.

Look at each picture carefully. Decide if the picture shows a population or a community.


The Cardinals in Virginia.

a)

Population

b)

Community

71.

Look at each picture carefully. Decide if the picture shows a population or a community.


All the animals in the grasslands.

a)

Population

b)

Community

72.

A prairie dog, a hawk, and a snake are all members of the same _____.

a)

niche

b)

community

c)

species

d)

population

73.

Grass is an example of a(n) ______.

a)

abiotic factor

b)

biotic factor

c)

population

d)

ecosystem

74.

Which is the largest?

a)

organism

b)

population

c)

community

d)

ecosystem

75.
Which is a biotic factor you might find in an ecosystem?
a)
rocks
b)
trees
c)
rain
d)
river
76.

A parasite lives on or in its _____.

a)

predator

b)

prey

c)

parasite

d)

host

77.
Another word for a living thing is a:
a)
animal
b)
organism
c)
plant
d)
community
78.
A place where an organism gets everything it needs to survive.
a)
habitat
b)
community
c)
ecosystem
d)
population
79.
Which of the following is a biotic factor?
a)
soil
b)
water
c)
animals
d)
air
80.
Which of the following is an abiotic factor?
a)
soil
b)
plants
c)
animals
d)
insects
81.
What is the correct order of organization in a ecosystem from smallest to biggest?
a)
population, organism, ecosystem, community
b)
organism, population, community, ecosystem
c)
organism, community, population, ecosystem
d)
community, population, ecosystem, organism
82.
Which of the following would increase a population's size?
a)
birth rate
b)
death rate
c)
emigration
d)
density
83.
Which of the following would decrease population size?
a)
emigration
b)
births
c)
immigration
d)
density
84.
The term for the number of individuals in a certain area is:
a)
crowded
b)
community
c)
population density
d)
limiting factor
85.
Which of the following limiting factors is not dependent on the the population density? 
a)
food
b)
space
c)
disease
d)
weather
86.
The role of an organism in its habitat (how it makes its living) is called:
a)
niche
b)
adaptation
c)
job
d)
trait
87.
When two species have the same niche, or are going for the same resource, they will:
a)
compete
b)
both die
c)
eat each other
d)
ignore each other

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