WorksheetsSymbiotic Relationships
Total questions: 64
Worksheet time: 2hrs 7mins
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.
*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.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
12.
Silverfish live and hunt with army ants. They share the prey. They neither help nor harm the ants.
a)
Mutualism
b)
Parasitism
c)
Commensalism
13.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
14.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.
a)
parasitism
b)
commensalism
c)
mutualism
15.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed.
a)
parasitism
b)
commensalism
c)
mutualism
16.
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
17.
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
18.
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
19.
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
20.
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
21.
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)
Mutualism
b)
Parasitism
c)
Commensalism
22.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).
a)
Mutualsim
b)
Parasitism
c)
Commensalism
23.
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
24.
When a dog and a tick are in a relationship. The dog is being harmed and the tick is benefiting. The tick is using the dog as it's ____________.
a)
harmer
b)
host
c)
parasite
25.
A clown fish and a sea anemone are in a close relationship. The sea anemone provides shelter and protection for the clown fish. However, the sea anemone is not harmed. This is an example of ______________________.
a)
commensalism
b)
parasitic relationship
c)
mutualism
26.
A tapir and a song bird work together to help each other find food. The tapir follows the sound of the song bird to the tree filled with sap. The tapir has sharp claws and is able to rip open the section of the tree that contains the sap. Without the tapir, the bird would not be able to access the sap for food. This is an example of a _________________ relationship.
a)
mutual
b)
commensal
c)
parasitic
27.
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.
28.
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.
29.
Lichens are made of fungi and algae that benefit from growing together. Which of these best describes this relationship?
a)
parasitic
b)
commensal
c)
competetive
d)
mutual
30.
Tapeworms live in the intestines of dogs and absorb nutrients from food the dog eats. Which best describes the outcome of this relationship?
a)
The dog and tapeworm both become ill.
b)
The dog becomes ill, and the tapeworm benefits.
c)
The tapeworm and dog helpe ach other survive.
d)
The tapeworm helps the dog survive.
31.
Which interaction benefits both organisms?
a)
A flea living on a dog
b)
A bee pollinating a flower
c)
A tapeworm living inside an animal
d)
A mosquito biting a person
32.
The spider crabs live on the shallow ocean floor. The algae lives on the crabs. The algae helps the crabs blend in and the algae gets a good place to live.
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Mitosis
33.
Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. What type of symbiosis is this?
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
34.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers and the eggs hatch. The larvae eat some of the seeds, and spread them around. Both species are benefited.
a)
mutualism
b)
commensalism
c)
parasitism
d)
competition
35.
Ostriches and gazelles eat together. They both watch for predators and danger. Since they see things differently, they each can identify threats the other animal may not see. Both species are benefited.
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
36.
Birds build nests out of dead twigs and leaves. They build their nests in living trees. This doesn't hurt the tree.
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
37.
A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
38.
A coyote captures, kills, and eats a rabbit. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
39.
Bacteria that live on the surface of our teeth require sugar from our food to survive. A by-product of their metabolism (body processes) decays the enamel of teeth. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
40.
Cleaner shrimp living in the ocean eat ectoparasites (parasites on the outer surface of the animal) off of fish. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
41.
A 3-point buck is killed by a hunter. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
42.
Bass found in warm water lakes of Colorado eat gizzard shad, a small fish grown and raised by the Colorado Division of Wildlife. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
43.
In a parasitic relationship, one organism is ___________ and one organism is benefiting.
a)
helped
b)
harmed
c)
not effected
d)
happy
44.
A pearlfish spends the day inside the alimentary tract, or intestines, of a sea cucumber. The fish emerges from the sea cucumber at night to feed on small crustaceans. The pearlfish gets a safe place to live. The sea cucumber does not gain anything from the relationship, nor is it harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
45.
A boxer crab carries a pair of small anemones in its chelipeds, or claws. When approached by a predator, the crab waves the stinging tentacles of the anemones to deter the predator. The anemones benefit from the small particles of food dropped by the crab during feeding.
a)
Commensalism
b)
Mutualism
c)
Parasitism
46.
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
47.
In a mutual relationship, both organisms are ________________.
a)
hurt
b)
not effected
c)
harmed
d)
benefiting
48.
Lichens are made of fungi and algae that benefit from growing together. Which of these best describes this relationship?
a)
parasitic
b)
commensal
c)
competetive
d)
mutual
49.
This picture shows an example of a competitive relationship.
a)
true
b)
false
50.
What symbiotic relationship is demonstrated here as the crops fight for land and water?
a)
predation
b)
competition
c)
mutualism
d)
commensalism
51.
A plover eats scraps of food and parasites stuck in the crocodiles's teeth. The crocodile gets his teeth cleaned and the plover gets a good meal.
a)
b)
c)
52.
Lungworms live in the lungs of bighorn sheep, causing them to be sick and even die.
a)
b)
c)
53.
An egret, is often seen near herds of cattle. The egret eats insects stirred up by the cows as they walk past. The cows do not mind the birds
a)
b)
c)
54.
When a sea snail outgrows its shell, it moves out. A hermit crab finds the empty snail shell and moves in.
a)
b)
c)
55.
Mistletoe plants grow on oak trees. It takes water and nutrients from the tree causing the oak tree to become weak.
a)
b)
c)
56.
Pilot fish like to swim near sharks. They are protected and enjoy eating leftovers from the shark’s meals. The shark does not mind.
a)
b)
c)
57.
A mongoose and hornbill bird protect each other. They take turns guarding each other from predators while the other one sleeps.
a)
b)
c)
58.
Aphids give off a sugary substance, called honeydew, that ants like. Ants take care of the aphids and protect them in order to keep getting the honeydew.
a)
b)
c)
59.
The cowbird lays eggs in other birds’ nests and the cowbird chicks push out the host birds’ eggs and eat the parents’ food.
a)
b)
c)
60.
Mosquitos bite humans and suck out blood, which they use as food. The human may become sick from the bite.
a)
b)
c)
61.
Emperor shrimp are commonly seen riding on sea cucumbers. The shrimp get protection and transportation from the cucumber. The sea cucumber is not bothered by the shrimp.
a)
b)
c)
62.
Coyotes catch prey that is above ground. Badgers hunt prey that is underground. Then, the animals share their food with each other.
a)
b)
c)
63.
When a bee visits a flower for nectar, pollen grains stick to their hind legs. This pollen later falls off and pollinates another flower.
a)
b)
c)
64.
A wasp lays its eggs on a caterpillar. When the wasp eggs hatch, the larva will eat the caterpillar and kill it.
a)
b)
c)
100 %
