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