b) Draw a food web using at least 6 organisms found in an aquatic ecosystem.
c) List three abiotic and three biotic factors in an aquatic ecosystem.
Abiotic: water, rocks, oxygen
Biotic: wetland, algae, fish
2. Match each term from column A with the appropriate description from column B
Column A
Column B
R
S
O
M
G
L
Biome
Ecosystem
Community
Population
Sustainable
Lithosphere
Q
P
Hydrosphere
Atmosphere
K
Biosphere
D
F
J
N
Emigration
Limiting Factor
Carrying Capacity
Mortality
A
E
I
Immigration
Biocontrol
Biotic Potential
A. The number of individuals moving into a population
B. The number of offspring born in one year
C. All ecosystems on Earth
D. The number of individuals moving out of a population
E. An organism used to control the population of invasive species
F. A factor that limits the growth, distribution or amount of a
population
G. The ability of biological systems to remain diverse and productive
H. The increase in the concentration of substances up the trophic
levels
I. The max # of offspring a species could produce with unlimited
resources
J. A population maintained at its optimum number of individuals
K. The combined biological components of an environment
L. The hard and rigid outer layer of the Earth
M. The members of one species in an area
N. The number of individuals that die in a year
O. A number of different populations interacting in an area
P. A layer of gases that surrounds the Earth
Q. The combined mass of water found on, under, and over the
surface of Earth
R. Refers to similar climatic conditions, communities of plants,
animals, and soil organisms in a large area
S. Any area defined by ecologists
B
Natality
H
Biomagnification
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