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2nd Exam Review Ecology
Test Description: 2019
Instructions: Answer all questions to get your test result.
1) What is an invasive species?
A
a species the helps the ecosystem by controlling the number of producers
B
A species introduced to the environment that causes negative consequences
C
A species introduced to the environment that causes beneficial consequences
D
a species the helps the ecosystem by controlling the number of consumers
2) Which describes a physical control to respond to an invasive species?
A
putting up barriers or physically removing the invasive species
B
using living organisms to eliminate the invasive species
C
applying poisons/pesticides
3) Which describes a chemical control to respond to an invasive species?
A
using living organisms to eliminate the invasive species
B
putting up barriers or physically removing the invasive species
C
applying poisons/pesticides
D
A species introduced to the environment and there are negative consequences
4) Which describes a biological control to respond to an invasive species?
A
putting up barriers or physically removing the invasive species
B
using living organisms to eliminate the invasive species
C
applying poisons/pesticides
5) The way that your day goes is determined by the choices that you make. Identify the independent variable.
A
the way your day goes
B
the choices that you make
6) The way that your day goes is determined by the choices that you make. Identify the dependent variable.
A
The way that your day goes
B
the choices that you make
7) The travel time depends on how fast I drive. Identify the independent variable.
A
how fast I drive
B
travel time
8) The travel time depends on how fast I drive. Identify the dependent variable.
A
travel time
B
how fast I drive
9) The strength of an immune system depends on how many leukocytes you have. Identify the independent variable.
A
strength of an immune system
B
how many leukocytes you have
10) The strength of an immune system depends on how many leukocytes you have. Identify the dependent variable.
A
how many leukocytes you have
B
The strength of an immune system
11) An investigation was conducted to see if keeping the lights on for different amounts of time each day affected the number of eggs chickens laid. Identify the independent variable.
A
the number of eggs chickens laid
B
keeping the lights on for different amounts of time each day
12) An investigation was conducted to see if keeping the lights on for different amounts of time each day affected the number of eggs chickens laid. Identify the dependent variable.
A
the number of eggs chickens laid
B
keeping the lights on for different amounts of time each day affected the number of eggs chickens laid
*select an answer for all questions
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