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Environmental- Ch 5
Test Description: Biodiversity, population, and habitats
Instructions: Answer all questions to get your test result.
1) The process by which traits that enhance survival & reproduction are passed in more frequently to future generations than those that do not is called?
A
Natural causes
B
Evolution
C
Artificial selection
D
Natural Selection
2) True or False. Organisms tend to less ofspring than can survive.
A
True
B
False
3) What is artificial selection?
A
A trait that promotes reproductive success
B
The disappearance of a species from Earth
C
Accidental changes in DNA that may be passed on to the next generation
D
The process of selection conducted under human direction.
4) A group of indiviuals of a species that live in the same are is know as what?
A
Biological diversity
B
Species
C
Population
D
Biosphere
5) What is allopatric speciation?
A
The process of selection conducted under human direction
B
species form from populations that reproductively isolated with the same area
C
species form due to physical separation.
D
The history of species divergence
6) What is sympatric speciation?
A
A trait that promotes reproductive successs
B
species form due to physical separation of populations
C
species form from populations that become reproductively isolated within the same species.
D
An area's sum total of all organisms
7) What is an example of of something that would cause sympatric speciation?
A
Rivers
B
Mountains
C
Glaciers
D
Mate in different seasons
8) What is an endemic species?
A
A species that only exists in a certain, specialized area
B
Species formed due to physical separation
C
Species are found everywhere in the world
D
Communities and the nonliving material and the forces they interact with
9) What is causing the 6th mass extinction event?
A
Weather
B
Humans
C
Diseases
D
God
10) The total living things on Earth and the areas that they inhabit is called what?
A
Biosphere
B
Universe
C
Community
D
Ecosystem
*select an answer for all questions
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