Log in
Sign up for FREE
arrow_back
Library
Topic 4: Lesson 3 & 4
By Dana Morrison
star
star
star
star
star
Share
share
Last updated about 2 years ago
10 questions
Add this activity
Required
10
Required
10
Required
10
Required
10
Required
10
Required
10
Required
10
Required
10
Question 1
1.
Question 2
2.
Question 3
3.
zoom_in
Required
10
zoom_in
Required
10
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
When organisms in an ecosystem need the same resources, what occurs?
Stability
Decomposition
Producing
Competition
If an ecosystem is unchanging, it is _______________.
Stable
Decomposing
Producing
Competiting
What is it called when something moves through a series of steps that repeat?
cycle
pattern
rotation
competition
Question 4
4.
Question 5
5.
Which animal pair includes two competitors?
tiger and sloth
rabbit and deer
tiger and rabbit
deer and tiger
Which of these is
NOT
a characteristic of a healthy ecosystem?
a variety of species
introduced species that crowd out other species
adequate shelter and nesting sites
balance of decomposers, producers, and consumers
Organisms store very little energy from the food they eat.
True
False
Organisms can carry on life processes without every recharging their energy.
True
False
The first step in the cycle of matter happens when ________________ take in matter from the air, soil, and water.
Consumers
Decomposers
Microbes
Producers
What is the order of the food chain? List in order of bottom of the chain to the top of the chain.
Shark, Scallops, Rays
Rays, Sharks, Scallops
Scallops, Sharks, Rays
Scallops, Rays, Sharks
Which statement best explains what happens to the ray population when the shark numbers fall?
Ray populations decrease because scallop population increases.
Ray population increases, because the shark population decreases.
Ray population decreases, because the scallop population decreases.
Ray population does not change as shark numbers change.
