
Ecology and Population Dynamics
Authored by Jessica Ogrin
Science
8th Grade
NGSS covered
Used 6+ times

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20 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The picture below shows an energy pyramid. What will most likely happen to the foxes and the wolves if the rabbits are removed?
A. The foxes will eat more wolves.
B. The foxes will eat fewer wolves.
C. There will be more foxes and wolves.
D. There will be fewer foxes and wolves.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
NGSS.MS-LS2-4
NGSS.MS-LS2-2
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The picture below shows an ocean bay food chain. Sea otters move into the ocean bay. They eat all the sea urchins. This change will cause the
kelp to have less food.
crabs to have more food.
sea ducks to have less food.
arctic foxes to have more food.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
NGSS.MS-LS2-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which model correctly shows energy flow in a food chain?
plants--> insects--> salmon-->bears
insects--> plants--> bears--> salmon
bears--> salmon--> insects--> plants
salmon-->bears-->plants-->insects
Tags
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A marine food web is shown in the diagram below. Which organism below belongs in level 3 of this marine food web?
krill
plankton
scallop
dogfish
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following would most likely occur to the populations within the community of organisms immediately after a wildfire burns the environment?
Top predators would increase and snakes would increase.
Top predators would decrease and tertiary consumers would increase.
Meadow plants would increase and rabbits would decrease.
Meadow plants would decrease and rabbits would decrease.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
NGSS.MS-LS2-4
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which statement best describes what will happen if the population of herbivores in the community decreases?
The population of foxes will increase.
The population of hawks will increase.
The population of rabbits will increase.
The population of meadow plants will increase.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
NGSS.MS-LS2-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes the flow of energy as it passes through the organisms in the pyramid?
A. Energy flows through the organisms from bottom to top and increases at each level.
B. Energy flows through the organisms from bottom to top and decreases at each level.
C. Energy flows through the organisms from top to bottom and increases at each level.
D. Energy flows through the organisms from top to bottom and decreases at each level.
Tags
NGSS.MS-LS2-3
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