
Homeostasis (Keystone Species)
Authored by Ed Cantu
Biology
9th Grade
NGSS covered
Used 31+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
homeostasis (in an ecosystem)
The number of different species in an area
An environmental factor that prevents a population from increasing
ecosystem has to maintain stable condition in order for all organisms to survive
The removal of trees faster than forests can replace themselves.
Tags
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cellular respiration
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
indirect effects in a community that are initiated by a predator
Each step in a food chain or food web
Tags
NGSS.MS-LS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
keystone species
a system of interlocking and interdependent food chains.
All the living organisms that inhabit an environment
A series of steps in which organisms transfer energy by eating and being eaten
a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-2
NGSS.MS-LS2-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Photosynthesis
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
the series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.
a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Tags
NGSS.MS-LS1-6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
carrying capacity
The removal of trees faster than forests can replace themselves.
Largest number of individuals of a population that a environment can support
The removal of trees faster than forests can replace themselves.
An environmental factor that prevents a population from increasing
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trophic cascade
All the living organisms that inhabit an environment
The number of different species in an area
indirect effects in a community that are initiated by a predator
Each step in a food chain or food web
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
deforestation
A series of steps in which organisms transfer energy by eating and being eaten
ecosystem has to maintain stable condition in order for all organisms to survive
a system of interlocking and interdependent food chains.
The removal of trees faster than forests can replace themselves.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
NGSS.MS-LS2-1
NGSS.MS-LS2-5
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