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