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WorksheetsEcosystems
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
You watch a video of a grizzly bear eating a salmon. What kind of feeding relationship did you observe?
a)
Parasite/Host
b)
Predator/Prey
c)
Producer/Consumer
d)
Herbivore/Carnivore
2.
What biotic factor might animals compete for in a forest ecosystem?
a)
Sunlight
b)
Water
c)
Space
d)
Prey
3.
The picture shows a sea turtle finding shelter under sand. What kind of interaction is this?
a)
Biotic/Biotic interaction
b)
Biotic/Abiotic interaction
4.
Ecologist determine that thirty horses can survive in a selected pasture with the current resources. This number is considered__________
a)
Carrying capacity
b)
Biotic factor
c)
Limiting factor
5.
Which would be the most direct cause of an increase in the sunflower population?
a)
The population of insects decrease
b)
The population of ducks increase
c)
The population of foxes decrease
6.
Which one is a producer/consumer relationship?
a)
Tick and Dog
b)
Flower and Bee
c)
Dandelion and Grass
d)
Worm and Fish
7.
Which one has the lowest amount of competition in their ecosystem?
a)
A flooded grassland
b)
A forest experiencing a drought
c)
The arctic have unusual warm weather
d)
A meadow experiencing a rainfall
8.
Which one is a predator/prey relationship?
a)
A crane eats a frog
b)
A fox eats a crane
c)
A sunflower eats an insect
d)
A duck eats an insect
9.
Which stage represents the establishment of the pioneer community?
a)
Bare ground
b)
Young forest
c)
Mature Forest
10.
Which stage shows the establishment of a climax community?
a)
Mature Forest
b)
Bare ground
c)
Grassland
d)
Young forest
11.
Which stage will result if a forest fire were to destroy the climax community?
a)
Herbfield, grassland or fernfield
b)
Young Forest
c)
Bare ground
12.
What natural selection tactic might prey use to avoid predators?
a)
Camouflage
b)
Staying in a group
c)
Running quickly
d)
All the above
13.
Under what conditions are resources such as water, food and sunlight likely to be limiting factors?
a)
When a population has reached its carrying capacity
b)
When the population is minimal
c)
When predators eat their prey
14.
A seasonal change affects
a)
short-term environments
b)
long-term environments
15.
Construction affects
a)
Long-term environments
b)
Short-term environments
16.
What do some animals do in the winter months to conserve energy due to lack of food?
a)
Seasonal behavior
b)
Migrate
c)
Hibernate
d)
Learned behavior
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