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Biotic and Abiotic Interactions

Total questions: 95

Worksheet time: 5hrs 13mins

Name
Class
Date
1.

In the graphic organizer above, what word could we use to replace the word living?

a)

Abiotic

b)

Biotic

c)

Ecosystem

d)

Organism

2.

Which of the following best describes the relationship between abiotic and biotic factors in an ecosystem?

a)

Biotic factors rely on abiotic factors such as water, shelter, and light for survival.

b)

Abiotic factors rely on biotic factors, such as types of trees, to exist

c)

Biotic factors only rely on other biotic factors for survival

d)

There is no relationship between abiotic and biotic factors; they can survive on their own.

3.

What abiotic factors might a student study in an ecosystem?

a)

Herbivores, carnivores, and omnivores

b)

Algae and invertebrates

c)

Predators and prey

d)

Water, temperature, and sunlight

4.

What terms should replace X and Y in the table?

a)

elements; compounds

b)

abiotic; biotic

c)

microscopic; macroscopic

d)

natural; man-made

5.

Which of the following MOST completely describes the components of a pond ecosystem?

a)

the soil and water that make up the pond

b)

the organisms and non-living environment in and around the pond

c)

the plants and animals that live in and around the pond

d)

the fish and other aquatic animals in the pond

6.

Which of the following is a biotic factor in an ocean ecosystem?

a)

the salt content of the water

b)

the temperature of the water

c)

the fish in the water

d)

the oxygen in the water

7.

A hollow, sealed glass sphere contains sand, water, air, algae, and tiny brine shrimp. The sphere is a model ecosystem. Which of these is a biotic factor of this ecosystem?

a)

air

b)

algae

c)

sand

d)

water

8.

Refer to the diagram. Which list includes abiotic factors only?

a)

Items A, C, D

b)

Items B, C, E

c)

Items A, D

d)

Items A, B, C, D, E

9.

Which of these is a biotic factor in a river ecosystem?

a)

the types of microorganisms that live in the river water

b)

the amount of soil and other particles carried by the river

c)

the amount of rain that flows off the land and into the river

d)

the speed at which the river water flows toward the ocean

10.

Which of the following is a biotic factor in an ocean ecosystem?

a)

the salt content of the water

b)

the temperature of the water

c)

the fish in the water

d)

the oxygen in the water

11.

Which of the following MOST completely describes the components of a pond ecosystem?

a)

the soil and water that make up the pond

b)

the organisms and non-living environment in and around the pond

c)

the plants and animals that live in and around the pond

d)

the fish and other aquatic animals in the pond

12.

What abiotic factors might a student study in an ecosystem?

a)

Herbivores, carnivores, and omnivores

b)

Algae and invertebrates

c)

Predators and prey

d)

Water, temperature, and sunlight

13.

Which of the following best describes the relationship between abiotic and biotic factors in an ecosystem?

a)

Biotic factors rely on abiotic factors such as water, shelter, and light for survival.

b)

Abiotic factors rely on biotic factors, such as types of trees, to exist

c)

Biotic factors only rely on other biotic factors for survival

d)

There is no relationship between abiotic and biotic factors; they can survive on their own.

14.
Is a weather an abiotic or biotic factor? 
a)
abiotic
b)
biotic
15.
Is the SUN  biotic or abiotic 
a)
Abiotic 
b)
Biotic 
16.

Which of the following is NOT an abiotic factor?

a)

sun

b)

temperature

c)

soil

d)

grass

17.

A living, or once-living, organism in an ecosystem is a/an ---

a)

abiotic factor.

b)

biotic factor.

18.

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

a)

Biotic

b)

Abiotic

19.

Bio means _________.

a)

non-living

b)

not/without

c)

written word

d)

living

20.
Temperature, light, air, water, and soil are all ___________ parts of the environment.
a)
biotic
b)
abiotic
c)
dead
d)
scavenged
21.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
22.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 
a)
parasitism
b)
commensalism
c)
mutualism
23.
 Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails.
a)
parasitism
b)
commensalism
c)
mutualism
24.

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

a)

Competition

b)

Biotic factor

c)

Symbiosis

d)

Population

25.

The specific environment in which all the biotic and abiotic factors in an area interact.

a)

Ecosystem

b)

Organism

c)

Struggle

d)

Competitive Interaction

26.

A hollow, sealed glass sphere contains sand, water, air, algae, and tiny brine shrimp. The sphere is a model ecosystem. Which of these is a biotic factor of this ecosystem?

a)

air

b)

algae

c)

sand

d)

water

27.

Which of these is a biotic factor in a river ecosystem?

a)

the types of microorganisms that live in the river water

b)

the amount of soil and other particles carried by the river

c)

the speed at which the river water flows toward the ocean

d)

the amount of rain that flows off the land and into the river

28.

Which of the following is a biotic factor in an ocean ecosystem?

a)

the salt content of the water

b)

the temperature of the water

c)

the fish in the water

d)

the oxygen in the water

29.

Which of the following MOST completely describes the components of a pond ecosystem?

a)

the soil and water that make up the pond

b)

the organisms and non-living environment in and around the pond

c)

the plants and animals that live in and around the pond

d)

the fish and other aquatic animals in the pond

30.

Drought, erosion, flood, and prolonged heat spells are examples of —

a)

communities

b)

biotic factors within an ecosystem which affect abiotic components

c)

populations

d)

abiotic changes within an ecosystem which can affect biotic factors

31.

An abiotic component of an ecosystem is represented by the —

a)

bats under a bridge in Austin, Texas

b)

population of deer on a deer lease in Central Texas

c)

attack on a wheat field by fungus

d)

monthly average rainfall in Texas

32.

Which statement below refers only to biotic components in an ecosystem?

a)

Evaporation, transpiration, and precipitation are complex processes that cycle water between the atmosphere and the Earth's surface.

b)

Photosynthesis and respiration are not considered atmospheric processes.

c)

Vegetation is an indicator of several environmental factors, including precipitation, temperature, soil, geology, and wind.

d)

In Yellowstone Park, shrubs have expanded their range into large areas formerly populated by short grasses, due to overgrazing and trampling by livestock.

33.
A polar bear interacts with abiotic factors in its environment in all of the following ways EXCEPT by —
a)
sliding across the ice.
b)
swimming in the cool waters.
c)
eating fish that it catches.
d)
blending into the snow to hide.
34.
Which of the following is an abiotic factor that a penguin could interact with in an Arctic environment?
a)
A ray of sunlight that makes the penguin blend into the surface of the water
b)
A shark that sees the penguin and swims toward it under the water
c)
A polar bear that stalks the penguin in hopes of catching and eating it
d)
Another penguin that could be a potential mate
35.
Which of the following represents the lowest level of organization in this forest environment?
a)
The squirrels eating the nuts and acorns from the trees
b)
A group of bushes providing shade for small insects
c)
The group of squirrels mating to produce offspring
d)
A single deer standing near the flowing river
36.
The shark in the water of the Arctic environment is —
a)
an abiotic factor that swims in biotic ocean water.
b)
an abiotic factor the breathes biotic dissolved oxygen that passes into the shark's gills.
c)
a biotic factor that feeds on other biotic factors.
d)
a biotic factor that needs the cool temperature of the biotic Arctic water to survive.
37.
Which of the following is a biotic and an abiotic factor interacting in this pond environment?
a)
Duck and fish
b)
Fish and worm
c)
Bird and cattail
d)
Frog and water
38.
Which of the following is the highest level of organization in this forest environment?
a)
A group of one-hundred pine trees living closely together in the forest
b)
All the organisms living and interacting together in the environment
c)
One hawk flying in the sky over the forest
d)
A group of shrubs in a part of the environment
39.
The duck in this environment interacts with the —
a)
mosquitos, an abiotic factor, by getting bit by these insects.
b)
pond water, an abiotic factor, by paddling around the pond.
c)
trees, an abiotic factor, by resting under its shade.
d)
frog larvae, an abiotic factor, by eating the larvae in the water.
40.
The stingray resting on the bottom of the reef represents —
a)
a population, the highest level of organization in an ecosystem.
b)
an ecosystem, the lowest level of organization in a community. water, an abiotic factor, by paddling around the pond.
c)
an organism, the lowest level of organization in an ecosystem. , an abiotic factor, by resting under its shade.
d)
a community, the highest level of organization in a community.
41.
The palm trees in this oasis are —
a)
biotic factors that absorb biotic sunlight to undergo photosynthesis.
b)
biotic factors that provide shade to other biotic factors.
c)
abiotic factors that absorb abiotic water to grow.
d)
abiotic factors that provide a home a biotic lizards.
42.
The picture above shows a field of wildflowers. Which of the following is NOT an abiotic factor interacting with a biotic factor in this environment?
a)
Rain that gives the flowers water
b)
Soil that gives the flowers nutrients
c)
Sunlight that helps the flowers make energy
d)
Butterflies that land on and pollinate the flowers
43.
The stingray, group of anemonefish, coral, starfish, saltwater, and sand all make up a level of organization called a reef —
a)
organism
b)
ecosystem.
c)
population.
d)
community.
44.
The small bird in this environment interacts with —
a)
a worm, a biotic factor, as it pulls it up from the ground for food.
b)
the soil, a biotic factor, as it searches for food inside the soil.
c)
a duck, an abiotic factor, as it competes for food against the duck.
d)
the tree, an abiotic factor, as it seeks shade under the tree.
45.
The sunlight in this environment is —
a)
an abiotic factor that is absorbed and used by the migratory bird to make food.
b)
a biotic factor that increases the growth of algae in the water.
c)
an abiotic factor that gives energy to the trees and low grasses.
d)
 a biotic factor that warms the water of the marsh.
46.
The picture above shows a group of tropical fish interacting with a living tube sponge. Which level of organization does the interaction of the tropical fish with the living tube sponge best represent?
a)
An ecosystem
b)
A community
c)
An organism
d)
A population
47.

In a desert ecosystem, sand is an example of a(n)______________ factor.

a)

biotic

b)

abiotic

c)

ecosystem

d)

community

48.

A cactus is an example of a(n) ________________factor.

a)

biotic

b)

abiotic

c)

habitat

d)

niche

49.

Populations of sharks, along with shells and water are included in an ocean ____________________.

a)

niche

b)

community

c)

habitat

d)

ecosystem

50.

A population is ____________________________.

a)

a group of different species living in the same area.

b)

a group of individuals of the same species living in separate areas.

c)

a group of different species living in separate areas.

d)

a group of individuals of the same species living in the same areas.

51.

What determines where a population can live?

a)

whether its needs are met by the biotic factors in the habitat

b)

whether its needs are met by the abiotic factors in the habitat

c)

whether its needs are met by the abiotic and biotic factors in the habitat

d)

whether its needs are met by the other populations in the habitat

52.

Which is an abiotic factor in this ecosystem?

a)

fish

b)

rocks

c)

snails

d)

plants

53.

Organisms depend on, but do not compete with each other in an ecosystem.

a)

true

b)

false

54.

An ecosystem relies on both predator and prey to survive.

a)

true

b)

false

55.

An increase in predators won't affect the population of prey.

a)

True

b)

False

56.

Competition is good in a healthy ecosystem.

a)

True

b)

False

57.

An increase in predators won't affect the population of prey. 

a)

True

b)

False

58.

Some animals compete for mates.

a)

True

b)

False

59.

All the different populations that live together in an area make up a (an)

a)

biome

b)

ecosystem

c)

species

d)

community

60.

Food, water, climate, weather, space, and shelter are all _______________.

a)

biotic factors

b)

populations

c)

limiting factors

d)

biomes

61.

Abiotic means

a)

living

b)

nonliving

62.

What is the difference between the biotic and abiotic factors?

a)

Biotic factors are living things and abiotic factors are nonliving things.

b)

Biotic factors are nonliving things and abiotic factors are living things.

63.
Biotic means
a)
living
b)
nonliving
64.

What is a example of a abiotic factor?

a)

Panda

b)

Bacteria

c)

Butterfly

d)

Weather

65.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
66.

Temperature is an example of what kind of factor?

a)

biotic

b)

abiotic

c)

dead

d)

living

67.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water,  and air
c)
elephants, plants, trees 
68.

What are the abiotic factors in this image?

a)

water, sunlight, dirt, air

b)

birds, trees, and sunlight

c)

water, trees, and birds

69.

Which of the following is a biotic factor?

a)

sun

b)

temperature

c)

soil

d)

grass

70.

Which of the following is an abiotic factor?

a)

mushroom

b)

air

c)

elephant

d)

coyote

71.

What is an example of a biotic factor?

a)

bear

b)

rocks

c)

soil

d)

water

72.

An organisms in an environment is a

a)

abiotic factor

b)

biotic factor

73.

Lizards and cacti are biotic factors in a desert ecosystem that would rely on which abiotic factors?

a)

insects and sun

b)

water and insects

c)

snakes and temperature

d)

water and soil

74.

Nonliving elements in an ecosystem are called _______________.

a)

biotic factor

b)

abiotic factor

c)

limiting factor

d)

fear factor

75.
Is a deer an abiotic or biotic factor? 
a)
abiotic
b)
biotic
76.

Which is an example of an abiotic factor in a pond environment?

a)

The water

b)

A frog

c)

A grasshopper

d)

A snake

77.

Which of the following shows an abiotic factor interacting with a biotic factor in the environment?

a)

Lamprey eels survive by attaching themselves to trout.

b)

Water temperature affects its oxygen level.

c)

Low light intensity affects the growth of forest pine trees.

d)

Gypsy moth caterpillars eat the leaves of apple tree.

78.

Which of the following is an abioitic factor that could affect biotic factors?

a)

Population of rabbits.

b)

Length of daylight.

c)

Presence of harmful bacteria.

d)

Number of herbivores.

79.

The living parts of an ecosystem

a)

abiotic

b)

symbiosis

c)

biotic

d)

competition

80.

the nonliving parts of an ecosystem

a)

abiotic

b)

limiting factor

c)

biotic

d)

commensalism

81.

a relationship between organisms or species that is helpful to both

a)

commensalism

b)

parasitism

c)

competition

d)

mutualism

82.

a single living thing

a)

organism

b)

population

c)

community

d)

ecosystem

83.

an interaction between organisms or species that is helpful to one but neither helpful nor harmful to the other

a)

organism

b)

population

c)

commensalism

d)

parasitism

84.

when more than one individual or population in an ecosystem relies on the same limited resources

a)

commensalism

b)

competition

c)

limiting facor

d)

ecosystem

85.

a relationship between organisms of different species where one organism benefits at the expense of the other

a)

mutualism

b)

commensalism

c)

parasitism

d)

competition

86.

a group of interacting individuals of the same species located in the same area

a)

organism

b)

population

c)

community

d)

ecosystem

87.

a system comprising all the biotic and abiotic factors in an area and all the interactions among them

a)

organism

b)

population

c)

community

d)

ecosystem

88.

biotic and abiotic environmental factor that restricts the growth of a population

a)

commensalism

b)

limiting factor

c)

symbiosis

d)

ecosystem

89.

the interaction between two animals in which one animal eats the other

a)

mutualism

b)

commensalism

c)

parasitism

d)

predation

90.

a long-term relationship between two different kinds of organisms where one or both receive benefit

a)

ecosystem

b)

population

c)

symbiosis

d)

commensalism

91.

Which is NOT an example of a biotic factor?

a)

lion

b)

bear

c)

sunlight

d)

frog

92.

Which is NOT an example of an abiotic factor?

a)

temperature

b)

soil

c)

water

d)

dog

93.

all the different populations that live in an area

a)

organism

b)

ecosystem

c)

community

d)

population

94.

Which is the smallest level of organization in an ecosystem?

a)

ecosystem

b)

community

c)

organism

d)

population

95.

Which is the largest level of organism in an ecosystem?

a)

ecosystem

b)

community

c)

population

d)

organism

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