Question 5
The majority of water found on Earth is
Answers: salt
fresh water
ice
water vapor
____________
Question 13
Species that are purposely or accidentally introduced to a new geographical region
Answers: frequently form hybrids with native species
die out quickly
can become serious pests by killing the native species
experience increased mutation rates that help them adapt to the new ecosystem
______________
20
Match the following terms with correct definition.
Question biome
population
ecosystem
community
All Answer Choices A. all of the individuals of a species in a specific area
B. comprises all of the biotic and abiotic factors in a particular area
C. interacting species occupying a given habitat
D. large scale interactions of species defined on land by the type primary type of vegetation
_______________
Question 24
Which of the following is an example of a species distributed in a random distribution?
Answers: oak trees that drop their seeds to the ground
a herd of elephants traveling to the watering hole
dandelion seeds that are blowing in the wind
nesting penguins
________________
Question 33
________
Which of the following is a threat to biodiversity?
Answers: habitat loss
overharvesting
climate change
all of the above
_____________
Some theories around why more diversity in species or areas known as [a] are found near the [b] are: more energy or greater [c] of the ecosystems, giving the opportunity for more [d].
Answers: age
speciation
equator
size
hotspots
evolution
Question 5
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Question 13
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