Reading Energy Transfer in Ecosystems
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Desiree Martin
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary energy source for nearly all ecosystems on Earth?
The sun
Primary producers
Herbivores
Decomposers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of food web begins with photosynthetic organisms like plants and phytoplankton?
Grazing food web
Detrital food web
Trophic food web
Apex food web
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate percentage of energy transferred between trophic levels in an ecosystem?
10%
50%
25%
75%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which type of ecosystem is primary productivity highest?
Tropical forests
Arid deserts
Deep ocean waters
Temperate grasslands
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is biomagnification?
The increasing concentration of toxic substances in organisms at successive trophic levels
The recycling of nutrients into the soil by decomposers
The process of energy loss as heat during decomposition
The production of glucose by primary producers
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