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Homeostasis (Keystone Species)

Authored by Ed Cantu

Biology

9th Grade

NGSS covered

Used 31+ times

Homeostasis (Keystone Species)
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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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