NEW
Font size
S
M
L
XL
WorksheetsSymbiotic Relationships
Total questions: 12
Worksheet time: 20mins
Name
Class
Date
1.
Ostriches and gazelles feed next to each other. They both watch for predators. Because the visual abilities of the two species are different, they can each identify threats that the other animal may not see as readily. Both species benefit.
a)
mutualism
b)
commensalism
c)
parasitism
2.
Silverfish live and hunt with army ants and share the prey. They neither help nor harm the ants.
a)
mutualism
b)
commensalism
c)
parasitism
3.
Oxpeckers (bird) feed on the ticks found on a rhinoceros. Both species benefit…the oxpecker gets food and the rhino gets rid of a parasite.
a)
mutualism
b)
commensalism
c)
parasitism
4.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment.
a)
commensalism
b)
parasitisim
c)
mutualism
5.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.
a)
commensalism
b)
parasitism
c)
mutualism
6.
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
7.
Hermit crabs live in shells made and then abandoned by snails. This neither harms nor benefits the snails.
a)
commensalism
b)
parasitism
c)
mutualism
8.
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
9.
Ticks feed on deer blood to the deer's detriment.
a)
commensalism
b)
parasitism
c)
mutualism
10.
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
11.
Hookworms enter the human body by burrowing into the skin of the feet. Once in the skin they enter the bloodstream and travel to the small intestine where they attach to the walls and begin to drink the person's blood and weaken the victim.
a)
parasitism
b)
mutualism
c)
commensalim
12.
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
Reset
