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Symbiotic Relationships

Total questions: 82

Worksheet time: 1hrs 22mins

Name
Class
Date
1.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
2.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
3.
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
4.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
5.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
6.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
7.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
8.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
9.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

10.
What type of symbiosis is this?
*Hermit crabs find shells left by snails that have died and move in.
*  Snails die and leave behind their shells.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
11.
Silverfish live and hunt with army ants. They share the prey.  They neither help nor harm the ants. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
12.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
13.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 
a)
parasitism
b)
commensalism
c)
mutualism
14.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 
a)
parasitism
b)
commensalism
c)
mutualism
15.
Ostriches and gazelles feed next to each other. They both watch for predators and alert each other to danger. Because their visual abilities are different, they can identify threats that the other animal would not see as readily. 
a)
parasitism
b)
commensalism
c)
mutualism
16.
Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Next the honey guide birds eat. Both species benefit. 
a)
parasitism
b)
commensalism
c)
mutualism
17.
A cuckoo may lay its eggs in a warbler’s nest. The cuckoo’s young will knock the warbler’s eggs out of a nest and the warbler will raise the cuckoo’s young.
a)
parasitism
b)
commensalism
c)
mutualism
18.
Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.
a)
parasitism
b)
commensalism
c)
mutualism
19.
As bison walk through grass, insects become active and are seen and eaten by cowbirds. The relationship neither harms nor benefits the bison.
a)
parasitism
b)
commensalism
c)
mutualism
20.
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
21.
Bacteria in the intestines of cows gain nutrients and aid in the cow's'  digestion
a)
commensalism
b)
mutualism
c)
parasitism
d)
competition
22.

A win-lose relationship.

a)

Mutualism

b)

Commensalism

c)

Competition

d)

Parasitism

23.

A win-win relationship

a)

Commensalism

b)

Parasitism

c)

Predation

d)

Mutualism

24.

A win-meh relationship.

a)

Commensalism

b)

Mutualism

c)

Predation

d)

Parasitism

25.

The close relationship between two different species in an ecosystem

a)

Biosphere

b)

Ecology

c)

Symbiosis

d)

Environment

26.

A frog eats a fly. The frog and fly are demonstrating ________.

a)

mutualism

b)

competition

c)

predator/prey

d)

parasitism

27.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.
a)
commensalism
b)
parasitism
c)
mutualism
28.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment.
a)
commensalism
b)
parasitisim
c)
mutualism
29.

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)

commensalism

b)

parasitism

c)

mutualism

30.
Hermit crabs live in shells made and then abandoned by snails. This neither harms nor benefits the snails.
a)
commensalism
b)
parasitism
c)
mutualism
31.
As buffalos walk through grass, insects become active and are seen and eaten by cowbirds. This neither harms nor benefits the buffalo.
a)
commensalism
b)
parasitism
c)
mutualism
32.

A flea feeds on a mouse's blood to the mouse's harm.

a)

commensalism

b)

parasitism

c)

mutualism

33.

Wrasse fish feed on the parasites found on the black sea bass's body. Both species benefit.

a)

commensalism

b)

parasitism

c)

mutualism

34.
Ticks feed on deer blood to the deer's detriment.
a)
commensalism
b)
parasitism
c)
mutualism
35.
Honey guide birds alerts and directs badgers to bee hives. The badgers then expose the hives and feed on the honey first. Then the honey guide bird eats. Both species benefit.
a)
mutualism
b)
commensalism
c)
parasitim
36.
Types of orchids grow high on the branches of the tall kapok trees of the jungle. This adaptation allows the orchid to get to the light. The tree is not harmed.
a)
parasitism
b)
commensalism
c)
mutualism
37.
The otters help the kelp by eating the sea urchins which consume the kelp endangering it. The kelp provides an anchor for the otter to wrap around themselves while they sleep.
a)
parasitism
b)
commensalism
c)
mutualism
38.

A relationship between two organisms in which one organism benefits and the other is unharmed.

a)

Mutualism

b)

Commensalism

c)

Parasitism

39.

Clown fish live among anemones, acting as a lure for the sea anemone's prey. The clown fish gets protection and shelter from the anemone.

This is an example of which type of symbiosis?

a)

Commensalism

b)

Mutualism

c)

Parasitism

40.

An organism that is eaten by another organism

a)

pray

b)

predator

c)

prey

d)

hamburger

41.

A relationship between two species where one benefits while the other is harmed.

a)

Commensalism

b)

Naturalism

c)

Mutualism

d)

Parasitism

42.

A relationship between two organisms in which both organisms benefit.

a)

competition

b)

commensalism

c)

predator/prey

d)

mutualism

43.

A relationship between two organisms in which one organism benefits and the other is unharmed

a)

mutualism

b)

commensalism

c)

parasitism

d)

competition

44.

A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

commensalism

c)

parasitism

d)

competition

45.

In mutualism

a)

one species is unaffected

b)

one species is killed

c)

both species fight for something

d)

both species benefit

46.

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

d)

predator/prey

47.

In competition

a)

one species is killed

b)

both species benefit

c)

both species fight for something

d)

one species is harmed

48.

In parasitism

a)

both species benefit

b)

one species is harmed

c)

species fight for something

d)

one species is unaffected

49.

Two male Giraffes are fighting over the last green leaf of a tree that is dying.

a)

competition

b)

predator/prey

c)

mutualism

d)

commensalism

50.

In commensalism

a)

one species is unaffected

b)

both species fight for something

c)

one species is killed

d)

both species benefit

51.

Nematodes (a round worm) live in plants and gain nourishment from the plant but do not seem to harm it. What type of symbiotic relationship is this?

a)

predation

b)

parasitism

c)

mutualism

d)

commensalism

52.

Which symbiotic relationship is when two of the organisms benefit from each other

a)

commensalism

b)

Parasitism

c)

Mutualism

d)

Competition

53.

Which symbiotic relationship is when one organism benefits and the other one does not benefit nor is it harmed

a)

Parasitism

b)

Mutualism

c)

Prey

d)

Commensalism

54.

Which symbiotic relationship is when one organism benefits but the other one is harmed and doesn't benefit

a)

Mutualism

b)

Parasitism

c)

Predatory

d)

Commensalism

55.

An environmental factor that is not associated with the activities of living organisms

a)

Abiotic

b)

Predator

c)

Biotic

d)

Animal

56.

an environmental factor that is associated with or result from the activities of living organisms

a)

Not living

b)

Biotic

c)

Living

d)

Abiotic

57.

An organism that kills and eats all or part of another organism

a)

Prey

b)

Animal

c)

Creature

d)

Predator

58.

An organism that is killed an eaten by another organism

a)

Animal

b)

Prey

c)

Predator

d)

Creature

59.

What is the Predator in this picture?

a)

Grass

b)

Gazelle

c)

Lion

d)

Trees

60.

What is a producer?

a)

Creature

b)

Plant

c)

Animal

d)

Human

61.

Which animals are the Scavengers?

a)

Tasmanian Devil

b)

Bear

c)

Vulture

d)

Cheetah

62.

Who/What are Decomposers in this question

a)

Bacteria

b)

Vulture

c)

Hyena

d)

Mushrooms

63.

What is the relationship where two or more organisms depend on the same limited resource

(a)  

64.

In a food chain there is Wolf and a Deer which one of these organisms is at the top of the food chain

a)

Wolf

b)

Deer

65.

Not living, or produced by living things

a)

Abiotic factors

b)

Biotic factors

c)

Ecosystem

d)

Population

66.

Living, or produced by living things

a)

Biotic factor

b)

Abiotic factor

c)

Organisms

d)

Competition

67.

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

68.

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

a)

Ecosystem

b)

Organism

c)

Struggle

d)

Competitive Interaction

69.

Hawks and brown bears live together in the same habitat. There will be competition between the hawks and the brown bears only if which of the following is true?

a)

Brown bears hibernate during the winter while hawks remain active.

b)

Pesticides in the fish population affect hawks’ eggs and decrease their population.

c)

Both brown bears and hawks feed on the same species of fish.

d)

Both Shanna and Savanna feed on the same species of snakes.

70.

An increase in which of the following factors is likely to contribute to competition between two members of the same species living in a certain habitat?

a)

Available food resources

b)

Population of the species

c)

Annual snowfall

d)

Overall size of the habitat

71.

The population of deer in a certain area is monitored over a period of six years. The data is represented in the graph provided. Which of the following is the most likely explanation for the change in population in 2009?

a)

Wild dogs, which prey on deer, were being hunted more than usual.

b)

Snowfall in the previous spring was higher than the yearly average.

c)

Humans introduced grazing animals that feed on the same plants as the deer.

d)

More insects that pollinate flowering plants move into the ecosystem.

72.

A student wants to investigate competition between two organisms. For the investigation, it is most important that the student should choose organisms that –

a)

reproduce at a faster rate.

b)

are both active during the night.

c)

have the different adaptations.

d)

require the same resources.

73.

Competition becomes more important as the number of individuals ______ or the availability of resources _________.

a)

increases, decreases

b)

increases, increases

c)

decreases, increases

d)

decreases, decreases

74.

In an ecosystem, what do organisms and populations with similar needs compete over?

a)

food

b)

water

c)

shelter

d)

all of the above

75.

The milkweed plant serves an important role in the life cycle of the monarch butterfly. Adult monarchs lay their eggs on milkweed, and then caterpillars eat that same plant during their development. Based on the relationship between monarchs and milkweed, which of the following trends would be predicted when looking at data on the populations of these two organisms?

a)

A decrease in the milkweed population will cause a decrease in the monarch butterfly population.

b)

When the milkweed population decreases, the monarch butterfly population stays the same.

c)

A decrease in the milkweed population will cause the monarch population to increase.

d)

When the monarch population increases, the milkweed population stays the same.

76.

Two species of fish live in the same pond. Which of the following would increase competition between these two species of fish?

a)

Habitat temperature increases.

b)

Population of birds that eat the fish increases.

c)

Number of food plants the fish eat increases.

d)

Water level in the pond decreases.

77.

Which of the following lists contains only abiotic factors?

a)

water, air, temperature

b)

grass, air, people

c)

trees, fish, polar bears

d)

grass, water, sand

78.

A __________________ relationship is when a biotic or abiotic factor is needed by an a living thing to surive

a)

Dependent

b)

Competitive

79.

A ____________________ Relationship is when two living things "fight" for limited resources.

a)

Dependent

b)

Competitive

80.

This diagram shows the variety of organisms that live in different tide zones. Mussels are common organisms that compete for space in intertidal (middle) tide zones. If all of the mussels were removed from zone A, which organisms would likely compete for the space in Zone A?

a)

Periwinkle and Limpets

b)

Sea lettuce and Chiton

c)

Sea urchins and Hermit crabs

d)

Rock louse and Periwinkle

81.
Animals from two different species utilize the same source of nutrition in one area. It is most accurate to say that the animals…
a)
will learn to get along
b)
will compete for food
c)
will die because there will not be enough food for both of them
d)
will learn to eat different foods
82.

Organism X feeds mainly on small fish, amphibians, and reptiles. With which organism is organism X most likely to compete?

a)

Great blue heron

b)

Mallard

c)

Pied-billed grebe

d)

Great egret

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