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