WorksheetsEnvironmental Science Honors Chapter 4 Ecological Communities
Total questions: 21
Worksheet time: 13mins
Name
Class
Date
1.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
2.
Bird & Tree: A bird builds a nest in a hole in the trunk of the tree. It is protected from the rain and predators. The tree is not harmed or helped by the bird.
a)
Mutualism
b)
Commensalism
c)
Parasitism
3.
What is the name of an animal that is hunted and eaten by other animals?
a)
producer
b)
prey
c)
predator
d)
decomposer
4.
Energy enters and ecosystem through...
a)
Photosynthesis
b)
Primary Producers
c)
Chemosynthesis
d)
Trophic Levels
5.
For energy, a carnivore consumes...
a)
Plants
b)
Other animals
c)
Both
d)
Leaf litter, dead organisms and waste matter
6.
For energy, a herbivore consumes...
a)
Plants
b)
Other animals
c)
Both
d)
Leaf litter, dead organisms and waste matter
7.
The organisms rank on the pyramid is the...
a)
Food Web
b)
Trophic Level
8.
Organisms on the bottom level of the pyramid are...
a)
Producers
b)
Consumers
9.
____% of energy is release from each level through____.
a)
20%
cooling
cooling
b)
10%
heat
heat
10.
Which trophic level has the most organisms?
a)
Top
b)
Bottom
11.
Which level has the least amount of biomass?
a)
Top
b)
Bottom
12.
A food chain is...
a)
a single pathway of feeding patterns
b)
multiple pathways of feeding patterns
13.
A food web is...
a)
a single pathway of feeding patterns
b)
multiple pathways of feeding patterns
14.
A key stone species is...
a)
the top carnivore
b)
has the largest population
c)
has the most specialized niche
d)
Species that determines the impact on a community
15.
Several species of tree frogs can live in the same tree ONLY because they
a)
have different habitats within the tree.
b)
don’t eat food from the tree.
c)
occupy different niches within the tree.
d)
can find the different temperatures
16.
A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are
a)
hosts.
b)
parasites
c)
predators
d)
prey
17.
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)
Parasitism
c)
Commensalism
18.
Primary succession is...
a)
When a hurricane causes a river to flood its banks
b)
When a farmer ploughs his fields to remove all existing plant life.
c)
When fire burns through a forest and ills all vegetation less than 1m tall.
d)
When increasing temperature causes a glacier to recede from an area of rocky ground
19.
The secondary succession is
a)
lichens and mosses arrive on bare rock and begin to trap soil
b)
a complex, stable ecosystem is formed
c)
plants grow in an area devastated by a flood
d)
plants grow in a newly formed pond
20.
an adaptation to competition that reduces competition between species that use the same resource is called
a)
resource partition
b)
decomposer
c)
resource practice
d)
commensalism
21.
the ultimate source of energy for most forms of life on Earth is
a)
soil
b)
sun
c)
rain
d)
oceans
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