Name ___________________
Class period ______________
Parent Signature _____________________ (+5)
Ecosystems Review
Write the letter next to the corresponding vocabulary word.
___Community
A. Non- living, such as rocks, wind, the sun
___Scavenger
B. Also known as a herbivore
___Decomposer
C. Radiant energy is transformed into this
during photosynthesis
___Producer
D. Something that I control or change in an
experiment
___Primary consumer
E. An organism that eats dead organisms.
Examples include vultures and ants
___Glucose
F. Several populations together make up a
____________
___Herbivore
G. This breaks down dead organisms and
returns their nutrients to the soil
___Abiotic
H. These get their energy directly from the
sun
___Independent variable
I. This is an organism’s job or role within
an ecosystem
___Niche
J. These organisms only eat plants. They
are at the first trophic level of the food
chain
___Chemical energy
K. This is what plants make for food
Choose four vocabulary words from above and illustrate them in the boxes below. Write
a sentence in the box explaining your vocabulary terms.
Term:__________________________
Term:__________________________
Sentence: ________________________
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Term:__________________________
Sentence: ________________________
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Term:__________________________
Sentence: ________________________
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Name ___________________
Class period ______________
Parent Signature _____________________ (+5)
Energy Transfer:
1. If the producers have 4000 kcal energy available, how much energy do the birds
have?
2. If the snakes have 200 kcal energy available, how much energy to the rabbits
have?
3. The rabbits have 700 kcal energy. How much do the secondary consumers have?
4. Which organism has the most available energy and why?
5. Which organism has the least available energy and why?
6. As you go up the energy pyramid, what happen to energy?
7. If the secondary consumers have 50 kcal energy, how much do the herbivores
have?
Name ___________________
Class period ______________
Parent Signature _____________________ (+5)
Photosynthesis:
1. Write the chemical equation for photosynthesis below.
2. What is the input for photosynthesis?
3. What is the product?
4. What do the plants have for food?
5. Where does all energy come from?
6. Draw a picture of the process of photosynthesis below. Be sure to label the
following: carbon dioxide, radiant energy, oxygen, glucose, water
Name ___________________
Class period ______________
Parent Signature _____________________ (+5)
Food webs:
1. What happens to energy in the food web?
a. It stays only in the plants
b. There is no energy
c. It is transferred from organism to organism by eating
2. List two producers in the food web and define producer.
3. What would happen if the grasshoppers died off?
4. Which has less energy available: the deer or the fox? Why
5. Draw in a decomposer on this food web. What would the decomposer do?