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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
Artificial selection
B
Natural causes
C
Evolution
D
Natural Selection
2) True or False. Organisms tend to less ofspring than can survive.
A
False
B
True
3) What is artificial selection?
A
Accidental changes in DNA that may be passed on to the next generation
B
A trait that promotes reproductive success
C
The disappearance of a species from Earth
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
Population
B
Biosphere
C
Species
D
Biological diversity
5) What is allopatric speciation?
A
species form due to physical separation.
B
The process of selection conducted under human direction
C
The history of species divergence
D
species form from populations that reproductively isolated with the same area
6) What is sympatric speciation?
A
A trait that promotes reproductive successs
B
species form due to physical separation of populations
C
An area's sum total of all organisms
D
species form from populations that become reproductively isolated within the same species.
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
Communities and the nonliving material and the forces they interact with
B
Species formed due to physical separation
C
Species are found everywhere in the world
D
A species that only exists in a certain, specialized area
9) What is causing the 6th mass extinction event?
A
Humans
B
Diseases
C
Weather
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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