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Copy of Energy Pyramid/Food Web Articles (5/28/2026)

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Last updated about 3 hours ago
20 questions
Energy Pyramid
Food Webs
Key to the Image -
A: First Trophic Level
A1: Phytoplankton (small, photosynthetic marine organism)
B: Second Trophic Level
B1: Zooplankton (small crustaceans)
C: Third Trophic Level
C1: Herring (small fish)
D: Fourth Trophic Level
D1: Mackeral (large fish)
E: Fifth Trophic Level
E1: Shark
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Question 18
18.
1
1
Question 1
1.
Energy pyramids are formed by _______
Question 2
2.
The flow of energy through a community is _______, meaning that it flows in one direction. Energy cannot flow from the top of the pyramid to the _______
Question 3
3.

Question 4
4.
Organisms within an ecosystem are classified according to how they obtain_______, they are either producers or consumers.
Question 5
5.
Each distinct part or step of an energy pyramid is referred to as a _______ .
Question 6
6.
The organism that serves as the primary producer in this pyramid is the _______, they "produce" energy by performing _______.
Question 7
7.
As you move up the energy pyramid, the amount of available energy _______.
Question 8
8.
The small crustaceans in the 2nd trophic level aquire their energy from the _______ from the 1st trophic level. The crustaceans serve as the _______ in this pyramid.
Question 9
9.
One reason that not all of the available energy passes from one trophic level to the next is that some of it is used during _______ of organisms in prior trophic levels.
Question 10
10.
The overall energy and _______ of each trophic level is less than the prior ones in an energy pyramid.
Question 11
11.
As we continue to move up the energy pyramid from one trophic level to the next, two things continue to decrease. They are - _______ and _______ .
Question 12
12.
According to the reading, _______ percent of the total energy in is lost, which means that only _______ percent of energy is transferred from one trophic level to the next.
Question 13
13.
The relationships between predators and prey in an ecosystem form _______
Question 14
14.
All of these food chains in an ecosystem will form a _______ which displays all of the feeding relationships in an ecosystem.
Question 15
15.

Question 16
16.
_______ is located at the bottom of a food web (do not use the specific name of a species or organism)?
Question 17
17.
The organisms at the bottom of a food web have the name from the prior question because they engage in _______ to produce their energy (carbohydrates).
_______ are animals that feed only on plants.
Question 19
19.
Secondary consumers are organisms that feed on _______. Tertiary consumers will feed on secondary consumers.
Question 20
20.

Organisms can obtain energy and nutrients from multiple locations at the same time in order to survive.
True
False
Food chains are more complex than food webs.
True
False
All of the possible predator-prey relationships in this ecosystem were displayed in this food web.
True
False