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WorksheetsEnergy Flow/Organic & Inorganic
Total questions: 34
Worksheet time: 19mins
Name
Class
Date
1.
How many organisms in this food web eat only producers?
a)
3
b)
2
c)
4
d)
none
2.
Which 2 types of organisms in this food web have a producer/consumer relationship?
a)
microscopic algae & white suckers
b)
small invertebrates & amphipods
c)
phytoplankton & mummichogs
d)
amphipods & catfish
3.
Which two types of organisms have a producer/consumer relationship?
a)
zebras & hyenas
b)
hyenas & cheetahs
c)
elephants & trees
d)
fungi & dung beetles
4.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
5.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
6.
How much energy is passed on to each trophic level in an energy pyramid?
a)
10%
b)
90%
c)
50%
d)
80%
7.
Which organisms in the diagram have the largest total energy to give to other organisms?
a)
Cattails and Marsh Grass
b)
Hawks and Snakes
c)
Crickets and Grasshoppers
d)
Shrews and Frogs
8.
What do the arrows indicate in a food web?
a)
What eats what
b)
Where the energy is being transferred
c)
How the animals are related
9.
What is the first source of energy for all food webs?
a)
Plants
b)
Sunlight
c)
Mineral in the soil
d)
Decomposers
10.
Which organism is the producer?
a)
caterpillar
b)
leaf
c)
bird
d)
hawk
11.
An herbivore like a deer or rabbit gets its energy from....
a)
by producing their own food
b)
by decomposing organic matter
c)
by eating organisms that make their own food
d)
by eating organisms that eat producers
12.
Which organism gets its energy indirectly from the tree?
a)
goat
b)
rabbit
c)
jackal
d)
mouse
13.
Which organism is the primary consumer?
a)
leaf
b)
caterpillar
c)
bird
d)
hawk
14.
Which of the following correctly shows how energy flows through a food chain?
a)
Sun-carnivores-producers-herbivores
b)
Sun-producers-herbivores-carnivores
c)
Sun-herbivores-carnivores-producers
d)
Sun-producers-carnivores-herbivores
15.
Which of the following characteristics is shared by both the primary and secondary consumers?
a)
Use the sun's energy to produce food
b)
beginning of any food chain
c)
eats only plants to get energy
eats only plants to get energy
eats only plants to get energy
d)
gets energy from eating other living things
16.
Which part of the energy pyramid would most of the biomass be found?
a)
producers
b)
herbivores
c)
carnivores
d)
predators
17.
What is biomass energy?
a)
any organic matter that can be used as an energy source
b)
radiant energy emitted by the sun
c)
is the heat from the Earth
d)
is a form of solar energy
18.
Compounds are different from elements because compounds contain
a)
2 or more different elements combined
b)
cannot be broken down into parts
c)
a pure substance
d)
made from the same type of atom
19.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
20.
Which of the following formulas is inorganic?
a)
CHO
b)
CH
c)
SiO
d)
CHCOOH
21.
Which are the four organic compounds found in living things?
a)
Carbohydrates, Lipids, Proteins, Nucleic Acids
b)
Fats, Proteins, Atoms, Osmosis
c)
Eating, Sleeping, Breathing, Talking
d)
Anything without Carbon in it
22.
What makes something inorganic
a)
It does not contain Hydrogen
b)
It contains Carbon
c)
It does not contain Carbon and Hydrogen
d)
It has more than one element
23.
Which compound below is Organic?
a)
C6H12O6
b)
H2O
c)
N2
d)
BaBr2
24.
Organic compounds ALWAYS contain what two elements?
a)
C and O
b)
O and H
c)
C and H
d)
H and Fe
25.
Other elements that may be present in organic compounds include _____.
a)
oxygen, nitrogen, potassium and silicon
b)
oxygen, nitrogen, sulfur and phosphorus
c)
oxygen, selenium and sodium
26.
In an ecological pyramid, which type of organism always has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
27.
In this ecological pyramid which type of consumer gets only 10% of the energy stored in plants?
a)
Primary Consumers
b)
Tertiary Consumer
c)
Secondary Consumers
d)
Primary Producers
28.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
29.
If these organisms were arranged in an ecological biomass pyramid, which organism would have the least amount of biomass?
a)
coyote
b)
insect
c)
lizard
d)
shrub
30.
Which sequence correctly describes the flow of energy between organisms in the marine food web?
a)
from seals to penguins to krill
b)
from whales to krill to small fish
c)
from sea birds to seals to penguins
d)
from small fish to penguins to seals
31.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
32.
What makes something inorganic
a)
It does not contain Hydrogen
b)
It contains Carbon
c)
It does not contain Carbon and Hydrogen
d)
It has more than one element
33.
C8H10N4O2
a)
Organic
b)
Inorganic
34.
How many compounds listed here are organic?
a)
1
b)
2
c)
3
d)
4
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