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WorksheetsEcosystems
Total questions: 20
Worksheet time: 21mins
Name
Class
Date
1.
The structure labeled as Part C controls all of the other structures in the cell. What part of the cell is represented by Part C?
a)
the cytoplasm
b)
the vacuole
c)
the nucleous
d)
the cell membrane
2.
Which part of the cell is the gel-like fluid that fills most of the cell containing the organelles?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
vaculoe
3.
Which part of the cell stores the food, water and waste?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
vacuole
4.
Notice the plant and animal life in the picture below. This is an example of which of the following ecosystems?
a)
a grassland
b)
an ocean
c)
a pond
d)
a salt marsh
5.
Based on the pond ecosystem photo, what would happen if the hawk population suddenly increased? How would the increase in the hawk population affect the other organisms in the ecosystem?
a)
The population of the frogs, fish and snakes would decrease due to more hawks eating them.
b)
The population of all organisms would increase due to the increase in the hawk population.
c)
The abiotic features in the environment would increase due to the increase in animal population.
d)
The population of the hawk’s predators would decrease due to the decrease of the hawk population.
6.
Sam is conducting an experiment to determine the impact of food quantity on animal growth, specifically his cat. In this experiment, what is the dependent variable? (Responding variable).
a)
the type of animal used in the experiment
b)
the amount that the animal grows
c)
the cage where the animal is kept
d)
the amount of food given to the animal
7.
Analyze the food chain. The owl is a predator to what prey in this food chain?
a)
the grass
b)
the grasshopper
c)
the mouse
d)
the sun
8.
What are organisms called that eat other organisms to get the energy they need to survive?
a)
consumers
b)
decomposers
c)
producers
d)
herbivores
9.
An animal that is classified as an omnivore does what?
a)
makes its own food
b)
eats only plants
c)
eats only animals
d)
eats plants and animals
10.
Which is an example of a community within an ecosystem?
a)
all of the bears that live in a forest
b)
all of the fish that live in a stream
c)
all the cells, muscles, nerves, and blood in a cat
d)
all of the birds, trees, squirrels, and grass in forest
11.
Which of the following safety procedures should be followed during investigations?
a)
washing your hands after handling plants and animals
b)
doing whatever you want when the teacher isn't looking
c)
spilling and not telling the teacher
d)
adding materials to the experiment that are not required
12.
Use the chart. How are ecosystems A and D alike?
a)
Ecosystems A and D are terrestrial ecosystems.
b)
Ecosystems A and D are aquatic ecosystems.
c)
Ecosystems A and D are estuaries.
d)
Ecosystems A and D are grasslands.
13.
An ecosystem that contains freshwater, fish, ducks, turtles, and is surrounded by land would be considered?
a)
forests
b)
ponds
c)
oceans
d)
grasslands
14.
An area of land that has many trees and shrubs and contains deer, rabbits and other wildlife, would be considered?
a)
forests
b)
ponds
c)
oceans
d)
grasslands
15.
What are microorganisms?
a)
Microorganisms are all
members of one kind of animal that lives in a habitat
b)
Microorganisms
are all the non-living parts of an ecosystem
c)
Microorganisms
are all the living parts of an ecosystem
d)
Microorganisms are living things that are too small to be seen
without at least a 10x magnifier
16.
What is the smallest unit of life?
a)
cell
b)
nucleus
c)
atom
d)
vacuole
17.
All of the following are considered abiotic in a pond ecosystem, EXCEPTS:
a)
water
b)
ducks
c)
rocks
d)
dirt or sand
18.
Although it is at the top of the food chain, the hawk can still be used as food by certain organisms. These organisms are known as:
a)
herbivores
b)
decomposers
c)
prey
d)
producers
19.
When considering the relationship between a dog and a flea, the dog is
a)
the pest
b)
the host
c)
the parasite
d)
the prey
20.
If animals DO NOT have enough food, water and shelter they do which of the following?
a)
either move to another place, or they die
b)
they stay and wait for more food
c)
they produce more offspring
d)
the learn to eat new foods
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