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WorksheetsOrganism Interactions
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
2.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
3.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
4.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
5.
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
6.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.
a)
Mutualism
b)
Parasitism
c)
Commensalism
7.
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
8.
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
9.
A close, long-term relationship in which 2 different organisms live in close association with each other.
a)
Carrying Capacity
b)
Coexistence
c)
Limiting Factor
d)
Symbiosis
10.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).
a)
Mutualsim
b)
Parasitism
c)
Commensalism
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