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Ecology Unit Test
Test Description: Ecology Unit Test
Instructions: Answer all questions to get your test result.
1) Which of the following is a biotic factor in an ecosystem?
A
trees
B
sunlight
C
Water
D
soil
2) The place organisms live that provide all their basic needs
A
Habitat
B
Community
C
Ecosystem
D
Population
3) The smallest unit of organization in an ecosystem
A
Population
B
Ecosystem
C
Community
D
Organism
4) Which of the following is an example of a population?
A
all the kinds of trees in a forest
B
The Rocks in a field
C
All the animals in an ecosystem
D
The mule deer in a forest
5) A way to estimate populations by counting the organisms in a small area and multiplying
A
Population Density
B
Direct Observation
C
Mark & Recapture
D
Sampling
6) Most individuals are added to a population by ______________________.
A
Immigration
B
Birth of offspring
C
Mark & Recapture
D
Sampling
7) When a herd of animals leave an area to look for better food sources
A
Emigration
B
Increasing birth rate
C
Immigration
D
Decreasing death rate
8) An organism\'s role in its ecosystem
A
Competition
B
Carrying capacity
C
Niche
D
Ecosystem
9) Behaviors & physical characteristics that make survival possible
A
Limiting Factors
B
Adaptations
C
Habitats
D
Biotic Factors
10) The struggle for survival with limited resources
A
Competition
B
Predation
C
Symbiosis
D
Parasitism
*select an answer for all questions
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