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Ecology
Test Description: EOG
Instructions: Answer all questions to get your test result.
1) Which is abiotic?
A
people
B
ants
C
bird
D
the sun
2) A general relationship in which 2 organisms of different species live together for a period of time?
A
commensalism
B
symbiosis
C
mutualism
D
parasitism
3) One organism benefits while the other is not affected in any way.
A
mutualism
B
commensalism
C
parasitism
4) Both organisms benefit from each other.
A
mutualism
B
commensalism
C
parasitism
5) One organism benefits while the other is harmed.
A
mutualism
B
parasitism
C
commensalism
6) The relationship in which on organisms hunts and eats another.
A
predation (predator/prey)
B
parasitism
C
commensalism
7) Relationship where 2 types of organisms compete for the same resources.
A
predation (predator/prey)
B
competition
C
commensalism
D
none are correct
8) A _________ harms a __________ by absorbing/taking nutrients from it.
A
parasite ; host
B
host ; parasite
9) Which is biotic?
A
water
B
the sun
C
insects
D
oxygen
10) What is the smallest part of an ecosystem?
A
Population
B
Ecosystem
C
Community
D
Species (Organism)
11) In an energy pyramid, most energy comes from _________.
A
heterotrophs (consumers)
B
neither
C
autotrophs (producers/plants)
12) A niche is...
A
all are correct
B
an animal
C
competition
D
an organism's job
13) A population is...
A
A group of the different animals in a habitat
B
a single animal
C
A group of the same species
14) Which of the following is a limiting factor that negatively impacts carrying capacity?
A
a lack of space
B
all are correct
C
a lack of food
D
a lack of oxygen
15) Carrying capacity is ___________.
A
a job that you have
B
how much life an area can support based on resources
C
a living factor in an ecosystem
16) In an ecosystem, the domino effect can be described as _______________.
A
plants not impacting animals
B
some plants impact the sun and water
C
each part of an ecosystem impacts each aspect in someway
*select an answer for all questions
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