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Ecology Ch 1: Population And Communities
Test Description: This is information that you will be tested over from Ecology Chapter 1
Instructions: Answer all questions to get your test result.
1) An organism's habitat doesn't need
A
predators.
B
water.
C
food.
D
shelter.
2) Abiotic factors are
A
only specific parts of the ecosystem.
B
nonliving parts of an ecosystem.
C
living parts of an ecosystem.
D
all of the parts of an ecosystem.
3) Plants use abiotic factors such as water, carbon dioxide, and
A
soil.
B
salt.
C
bacteria.
D
sunlight.
4) All members of one species living in a particular area is a
A
population.
B
habitat.
C
ecosystem.
D
community.
5) An example of emigration is when
A
animals stay in their habitat.
B
animals move to find food.
C
animals try to find their friends.
D
animals die.
6) The niche of an organims is
A
how it finds water.
B
how it finds food.
C
how well it is liked.
D
it's role in his habitat.
7) Which of the following is not a limiting factor?
A
climate
B
soil
C
food
D
space
8) Which of the following is an example of commensalism?
A
A hawk building its nest
B
A fish swimming in a pond
C
A human eating at McDonalds
D
A mouse running in a circle
9) A shark's powerful jaws is an example of
A
adaptation.
B
commensalism.
C
using it's resources.
D
predation.
10) What is an organism's habitat?
A
The part of the ecosystem where an organism dies
B
The part of the ecosystem where an organism preys upon its food
C
The part of the ecosystem where an organism lives and feeds
D
Any part of the ecosystem
11) Biotic factors in the ecosystem include
A
anything in the sky.
B
anything living or once living.
C
anything that is not living.
D
anything in the air.
12) An ecosystem includes
A
all of the other factors.
B
all of the abiotic factors.
C
all of the biotic and abiotic factors.
D
all of the biotic factors.
13) The __________ rate will increase the size of the population.
A
birth
B
death
C
old
D
new
14) A(n) _________________ is the smallest unit of an ecosystem.
A
population
B
habitat
C
organism
D
community
15) In ________________ succession there are already plants in the ecosystem.
A
primary
B
third
C
fourth
D
secondary
16) A relationship in which one species benefits and the other neither benefits nor is harmed is
A
mutualism.
B
symbiosis
C
commensalism.
D
parasitism
17) A relationship that involves one organisms living with, on, or inside another organism and harming it is
A
mutualism
B
parasitism
C
symbiosis
D
commensalism
18) A relationship in which both species benefit.
A
mutualism
B
parasitism
C
symbiosis
D
commensalism
*select an answer for all questions
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