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Worksheetsecology
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Introduced species disrupt ecosystems because they are a/an
a)
Keystone Species
b)
Endemic Species
c)
Invasive Species
d)
Native Species
2.
The monkey would be a
a)
decomposer
b)
producer
c)
primary consumer
d)
secondary consumer
3.
What would happen within a few months after the formation of a volcanic island?
a)
pioneer species would grow
b)
no pioneer species would grow
c)
trees and large plants would grow
d)
rich, organic soil would be present
4.
A bee receives nectar from a flower and carries the pollen to other flowers:
a)
predation
b)
parasitism
c)
mutualism
d)
commensalism
5.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
6.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
7.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
8.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
9.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
10.
The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Inorganic nutrients
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