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Ecology
Test Description: EOG
Instructions: Answer all questions to get your test result.
1) Which is abiotic?
A
ants
B
people
C
the sun
D
bird
2) A general relationship in which 2 organisms of different species live together for a period of time?
A
parasitism
B
mutualism
C
symbiosis
D
commensalism
3) One organism benefits while the other is not affected in any way.
A
parasitism
B
commensalism
C
mutualism
4) Both organisms benefit from each other.
A
commensalism
B
parasitism
C
mutualism
5) One organism benefits while the other is harmed.
A
parasitism
B
mutualism
C
commensalism
6) The relationship in which on organisms hunts and eats another.
A
commensalism
B
predation (predator/prey)
C
parasitism
7) Relationship where 2 types of organisms compete for the same resources.
A
competition
B
predation (predator/prey)
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
insects
B
water
C
oxygen
D
the sun
10) What is the smallest part of an ecosystem?
A
Ecosystem
B
Population
C
Species (Organism)
D
Community
11) In an energy pyramid, most energy comes from _________.
A
heterotrophs (consumers)
B
autotrophs (producers/plants)
C
neither
12) A niche is...
A
an animal
B
an organism's job
C
all are correct
D
competition
13) A population is...
A
a single animal
B
A group of the same species
C
A group of the different animals in a habitat
14) Which of the following is a limiting factor that negatively impacts carrying capacity?
A
a lack of oxygen
B
a lack of food
C
a lack of space
D
all are correct
15) Carrying capacity is ___________.
A
a living factor in an ecosystem
B
how much life an area can support based on resources
C
a job that you have
16) In an ecosystem, the domino effect can be described as _______________.
A
each part of an ecosystem impacts each aspect in someway
B
some plants impact the sun and water
C
plants not impacting animals
*select an answer for all questions
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