Ecology CFU 1

Quiz
•
Science
•
9th Grade
•
Easy
+2
Standards-aligned
Jessica Valdes
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One characteristic of a stable ecosystem is
a high number of predators
an interdependence of organisms
a lack of biodiversity
an increase in human interference
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which level of the pyramid below is correctly paired with the type of organism that would most likely be found at that level in an ecosystem?
Level A – producers
Level B – carnivores
Level C – herbivores
Level D – decomposers
Tags
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes what is most likely to occur if an animal population grows larger than the carrying capacity of its environment?
The birth rate will increase.
Both the birth rate and death rate will decrease.
The death rate will increase.
Neither the birth rate nor the death rate will decrease.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Many biotic factors affect individuals in a population. An example of an organism being directly affected by a biotic factor is
a squirrel cannot find a mate
a flood washes away a maple tree
a plant is in a dark room
a chipmunk finds a rock pile to use for a home
Tags
NGSS.MS-LS2-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scientists have studied the return of plant life on Mount St. Helens ever since the volcano erupted in 1980. Wildflowers began colonizing the area, followed by shrubs and small trees. Scientists predict that it will likely take hundreds of years before the area returns to a forest dominated by fir and hemlock trees. These changes are an example of
humans degrading an ecosystem by removing wildflowers
the loss of genetic variation in a plant species
the growth of a forest through ecological succession
the biological evolution of wildflowers, shrubs, and trees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The bar graph below shows the number of species in four pond ecosystems. Based on this information, which ecosystem is likely to be the most stable?
A
B
C
D
Tags
NGSS.MS-LS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram below represents an energy pyramid. Which type of organism could occupy levels B, C, and D of this energy pyramid?
consumer
producer
autotroph
carnivore
Tags
NGSS.MS-LS2-3
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