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WorksheetsEcology Review
Total questions: 14
Worksheet time: 20mins
Name
Class
Date
1.
Which two types of organisms in this aquatic food web have a producer–consumer relationship?
a)
Microscopic algae and white suckers
b)
Small invertebrates and amphipods
c)
Phytoplankton and mummichogs
d)
Amphipods and channel catfish
2.
How many predators shown in this food web are omnivores?
a)
1
b)
2
c)
3
d)
4
3.
Tropical rain forests have the greatest biodiversity of any type of land ecosystem. How does biodiversity contribute to the sustainability of an ecosystem?
a)
The presence of more species with different adaptations makes it more likely that some organisms will survive an ecological disaster
b)
Greater genetic variation within species makes it more likely that some individuals will survive a disease outbreak.
c)
The presence of a variety of herbivore species that can feed on a large number of different producer species helps ensure abundant prey for predators in the ecosystem.
d)
All of the above
4.
*
a)
Ginkgo
b)
Honey locust
c)
Horse chestnut
d)
Black maple
5.
*
a)
Grasshoppers and snakes
b)
hawks and frogs
c)
frogs and snakes
d)
decomposers and grasses
6.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
7.
How many herbivores are in this web?
a)
1
b)
2
c)
3
d)
4
8.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
9.
What type of organism breaks down dead and decaying matter and returns the nutrients to the soil?
a)
Producers
b)
Consumers
c)
Decomposers
10.
What is a example of a abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
11.
What is an example of a biotic factor?
a)
skunk
b)
rocks
c)
soil
d)
water
12.
A living or once-living organisms in an ecosystem is a
a)
population
b)
biotic factor
c)
abiotic factor
d)
community
13.
"Bio" means _________.
a)
non-living
b)
not/without
c)
life
d)
dead
14.
The prefix "a" means
a)
life
b)
science
c)
not or without
d)
one
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