NEW
Font size
S
M
L
XL
WorksheetsEnergy and Food Webs
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What percentage of energy do the tertiary consumers have?
a)
10%
b)
1%
1%
1%
c)
.1%
d)
.01%
2.
Each step in a food chain or a food web is called a
a)
Step level
b)
Pyramid level
c)
Trophic Level
d)
Heat Level
3.
At the deepest party of the ocean, at the ocean floor there are hydrothermal vents. The organisms that live here use what to survive?
a)
Photosynthesis
b)
Biosysnthesis
Biosynthesis
Biosynthesis
c)
Heterosynthesis
d)
Chemosynthesis
4.
What fraction of the Earth's surface is covered by water?
a)
1/2
b)
3/4
3/4
3/4
c)
2/3
d)
9/10
5.
Phytoplankton get their energy through photosynthesis. Zooplankton get their energy by _____________.
a)
Eating detritous
b)
Eating krill
c)
Eating phytoplankton
d)
Eating bacteria
6.
What is given off at each stop of the energy pyramid?
a)
Light
b)
Waste
c)
Gas
d)
Heat
7.
What is the name for the place where a river or stream empties into the ocean?
a)
Estuary
b)
Mouth
c)
Mangroves
d)
Swamp
8.
What determines the type of aquatic ecosystem?
a)
Flow
b)
Temperature
c)
Depth
d)
All of the above
9.
The type of trees that are salt tolerant and are found in tropical coastal regions are called__________
a)
Cypress
b)
Palms
c)
Mangroves
d)
Pines
10.
How does matter moves through the biosphere?
a)
It's created by humans
b)
It's a one way flow through ecosystems
c)
It's cycled through ecosystems
Reset
