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Ecological Succession and Stability Flashcards | StudBud
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Ecological Succession and Stability
Ecological Succession and Stability
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A pretest/ review of primary and secondary succession, biodiversity, and community ecology.
Flashcards
18 cards
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Practice quiz
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Questions
18
Answers
1
Which of the following describes pioneer species?
animals that inhabit an already established ecosystem
large trees that thrive in many climates/ environments
grasses/ other species that are first to grow in an area
weeds that win competition for space/ sunlight in ecosystem
2
_______ succession happens in areas where living things already exist.
Secondary
Primary
3
________ are pioneer species that produce acid that breaks down the rock they are living on.
Weeds
Algae
Lichens
Spruce
4
What is a stable ecosystem?
An ecosystem where inputs are balanced with outputs
An ecosystem that has no harmful chemicals
An ecosystem where there are few inputs/outputs
An ecosystem with more inputs than outputs
5
The process of one ecological community gradually changing into another is ecological _____.
Community
Progression
Diversity
Succession
6
Ecological succession in areas that contain little to no soil to start is _____ succession.
Primary
Secondary
7
Which of these is an ABIOTIC factor?
Sun
Fish
Plant
Earthworm
8
_________ succession generally happens faster.
Primary
Secondary
9
Which of the following describes biodiversity?
warm-blooded vertebrate animal distinguished by hair or fur
group of individuals that potentially interbreed in nature
the variety of species that live in an area
process by which plants use sunlight to synthesize foods
10
Nothing grows in the area where a volcano has erupted.
False
True
11
The scientific study of the relationship between organisms and their environment is _________.
Ecology
Anatomy
Biology
Chemistry
12
If an ecosystem were to flourish from a sand dune, which type of succession would this be?
Primary
Secondary
13
If part of a highly biodiverse forest burns, then begins to recover plant life, etc., this is..
Primary succession
Secondary succession
14
Which of the following is a BIOTIC factor?
Rock
Soil
Plant
Water
15
If an ecosystem is very stable, then it likely has...
A high biodiversity!
A mild climate!
More tertiary consumers than producers!
Lots of organisms!
16
Identify the true statement.
Ecosystems never change.
Plants and animals can thrive in any environment.
Ecosystems are constantly changing.
All succession happens very rapidly.
17
What does this predator-prey graph show?
predators and prey are unrelated.
The populations of predators and prey depend on eachother.
unchanging populations.
the population of predators doesn't change the population of prey.
18
The final stage of ecological succession in a land ecosystem is a ________.
Secondary succession
Primary succession
Climax community
Pioneer species
