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Flow Of Energy
Test Description: Flow of energy
Instructions: Answer all questions to get your test result.
1) How much energy is passed from one level to another?
A
1%
B
10%
C
90%
D
50%
2) Which organisms can undergo photosynthesis
A
animals and fungi
B
fungi
C
plants
D
Animals
3) What happens to the solar energy absorbed during photosynthesis?
A
it is transformed into chemical energy
B
It is converted into oxygen
C
it is stored as heat
D
It is recycled by plants
4) What is it called when food scraps are collected and composted?
A
fermentation
B
recycling
C
pollution
D
respiration
5) When leftover food is put into a compost bin and turns into soil, what is occuring?
A
Decaying causes the food to become cold
B
Energy leaves the food
C
Matter is recycled through decay
D
New elements are formed
6) Why are decomposers important to the ecosystem
A
they provide a direct food source for producers
B
they are not important
C
They release stored energy and nutrients from dead organisms
D
They eat dead animals
7) What happens to the energy from these materials as they break down in a compost bin?
A
some of the energy is released as heat
B
No energy is lost as the materials decompose
C
There is no energy in dead organisms
D
The energy stays in the compost bin
8) Boimass is stored ... energy that man can convert to electricity and heat. Through ---the energy from the sun is stored in plants
A
heat ....recycling
B
trophic... production
C
solar...decomposition
D
solar...photosynthesis
9) What equipment would be needed to view the organism?
A
hot plate, tape measure
B
microscope,notebook
C
balance, lens
D
meter stick,thermometer
10) A food web diagram is written using
A
boxes and arrows
B
no figures at all just words
C
circles
D
triangles
*select an answer for all questions
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