WorksheetsCh 3 Ecosystem Vocabulary Quiz ~ Master
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
Organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds.
a)
Autotroph
b)
Primary Producer
c)
Photosynthesis
d)
Chemosynthesis
e)
Heterotroph
2.
First producer of energy-rich compounds that are later used by other organisms for energy.
a)
Primary Producer
b)
Autotroph
c)
Photosynthesis
d)
Chemosynthesis
e)
Heterotroph
3.
Process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches
a)
Photosynthesis
b)
Autotroph
c)
Primary Producer
d)
Chemosynthesis
e)
Heterotroph
4.
Process in which chemical energy is used to produce carbohydrates
a)
Chemosynthesis
b)
Autotroph
c)
Primary Producer
d)
Photosynthesis
e)
Heterotroph
5.
Organism that obtains food by consuming other living things; aka consumers
a)
Heterotroph
b)
Autotroph
c)
Primary Producer
d)
Photosynthesis
e)
Chemosynthesis
6.
Organism that relies on other organisms for its energy and food supply; aka heterotroph
a)
Consumer
b)
Autotroph
c)
Primary Producer
d)
Photosynthesis
e)
Chemosynthesis
7.
Material made up of decaying bits of plant and animal material
a)
Detritus
b)
Heterotroph
c)
Consumer
d)
Food Chain
e)
Food Web
8.
Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
a)
Food Chain
b)
Heterotroph
c)
Consumer
d)
Detritus
e)
Food Web
9.
Photosynthetic algae found near the surface of the ocean
a)
Phytoplankton
b)
Heterotroph
c)
Consumer
d)
Detritus
e)
Food Chain
10.
Network of complex interactions formed by the feeding relationships among the various organisms in an organism
a)
Food Web
b)
Heterotroph
c)
Consumer
d)
Detritus
e)
Food Chain
11.
Each step in a food chain or food web
a)
Trophic Level
b)
Heterotroph
c)
Consumer
d)
Detritus
e)
Food Chain
12.
Model of the relative amounts of energy or matter contained within each trophic level in a given food chain or food web
a)
Ecological Pyramid
b)
Biomass
c)
Biogeochemical Cycle
d)
Nutrient
e)
Carbon Reservoir
13.
Total amount of living tissue within a given trophic level
a)
Biomass
b)
Ecological Pyramid
c)
Biogeochemical Cycle
d)
Nutrient
e)
Carbon Reservoir
14.
Process in which elements, chemical compounds, and other forms of matter are passed from one part of the biosphere to another
a)
Biogeochemical Cycle
b)
Ecological Pyramid
c)
Biomass
d)
Nutrient
e)
Carbon Reservoir
15.
Chemical substance than an organism needs to sustain life
a)
Nutrient
b)
Ecological Pyramid
c)
Biomass
d)
Biogeochemical Cycle
e)
Carbon Reservoir
16.
A natural feature (a landmass, forest or ocean) that stores carbon
a)
Carbon Reservoir
b)
Ecological Pyramid
c)
Biomass
d)
Biogeochemical Cycle
e)
Nutrient
17.
Process of converting nitrogen gas into nitrogen compounds that plants can absorb and use
a)
Nitrogen Fixation
b)
Ecological Pyramid
c)
Biomass
d)
Biogeochemical Cycle
e)
Nutrient
18.
Process by which bacteria convert nitrates into nitrogen gas
a)
Denitrification
b)
Ecological Pyramid
c)
Biomass
d)
Nitrogen Fixation
e)
Limiting Nutrient
19.
Single essential nutrient that limits productivity in an ecosystem
a)
Limiting Nutrient
b)
Carbon Reservoir
c)
Nitrogen Fixation
d)
Denitrification
e)
Population Density
100 %
