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Ecosystems Review
Ecosystems Review
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Chapter 10 Ecosystems test review 6th grade, California Earth Science
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which level of an energy pyramid has the most available energy?
first-level consumer
producer
second-level consumer
2
the relationships between legume plants and bacteria that helps the nitrogen cycle is called...
food chain
ecology
mutualism
3
The largest population that an area can support is called its...
primary succession
population density
carrying capacity
4
An ecosystem includes the community of organisms in an area, along with the...
nonliving surroundings
biotic factors
carrying capacity
5
producers, consumers, and decomposers play roles in the carbon and oxygen cycle.
true
false
6
the natural series of changes that occur in an area over time is called...
succession
mutualism
food chain
7
There are 3 major types of interactions among organisms: competition, predation, and...
emigration
symbiosis
succession
8
What is an organism that lives inside or on another organism and harms it?
a prey
a predator
a parasite
9
Organism that breaks down wastes/dead organisms & returns the raw materials to the ecosystem
producer
decomposer
consumer
10
Which is NOT a way in which matter is recycled through an ecosystem?
the nitrogen cycle
the water cycle
the rock cycle
11
What is a group of organisms that are physically similar and can mate with one another?
population
community
species
12
an organism's specific role in its habitat is its niche.
false
true
13
the struggle between organisms to survive is called...
competition
mutualism
food chain
14
a possible path along which energy can flow in an ecosystem is called a(n)...
habitat
succession
food chain
15
A living thing is also called a(n)
organism
niche
species
16
The study of how living things interact with each other and their environment is called...
mutualism
habitat
ecology
17
In which environment does secondary succession occur?
where an area or rock is uncovered by a melting sheet of ice
where the land is cleared of trees because of logging
where a volcano has erupted and created a new island
18
one area may contain many habitats.
true
false
19
emigration means leaving a population.
false
true
20
all the different species living in an area form a population.
false
true
