
Organism Interactions in Ecosystems
Authored by Jaime Knoedler
Science
7th Grade
NGSS covered
Used 8+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a population in the context of an ecosystem?
All the biotic factors in an area
All the members of one species living in a particular area at a particular time
All the nonliving things in an ecosystem
All the ecosystems on Earth
Tags
NGSS.MS-LS2-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT one of the three main ecosystems identified by scientists?
Aquatic Marine
Aquatic Freshwater
Terrestrial
Urban
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the limiting factor for many plant species in the desert?
Nutrients
Predators
Water
Pathogens
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
NGSS.MS-LS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do animals need light?
To make food
To balance their wake-and-sleep cycles
To find shelter
To regulate body temperature
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does soil composition affect the types of organisms that live in an ecosystem?
It has no effect on the types of organisms.
It determines the variety of plant species, which in turn affects the variety of animal species.
It only affects the types of animal species.
It changes the climate of the ecosystem.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
NGSS.MS-LS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the carrying capacity (K) in an ecosystem?
The maximum population size that can be supported by an ecosystem.
The total number of organisms in an ecosystem at any given time.
The rate at which a population grows in an ecosystem.
The amount of food available in an ecosystem.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the carrying capacity of a population in an ecosystem?
The number of predators in the ecosystem.
The weather patterns of the ecosystem.
The limiting factors such as food supply and space.
The migration patterns of the species.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
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