What do ecological pyramids represent in an ecosystem?

Ecological Pyramids and Biomagnification

Interactive Video
•
Biology
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The rate of photosynthesis
The diversity of habitats
The relative amount of organisms at different trophic levels
The total number of species
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are ecological pyramids shaped like pyramids?
Because energy increases at each level
Because energy decreases at each level
Because the biomass remains constant
Because the number of species increases
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of a pyramid of numbers?
It is always upright
It shows the energy flow
It can be inverted in parasitic food chains
It always has a broad base
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a pyramid of biomass, what happens as you move up the trophic levels?
Biomass decreases
Biomass increases
Number of organisms increases
Energy increases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of ecological pyramid is always upright?
Pyramid of numbers
Pyramid of diversity
Pyramid of energy
Pyramid of biomass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of energy for producers in an ecosystem?
Water
Soil
Wind
Sunlight
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a pyramid of energy, what percentage of energy is typically transferred from one trophic level to the next?
100%
50%
10%
1%
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