Question 5 The majority of water found on Earth is salt fresh water ice water va

Question

Question 5

The majority of water found on Earth is

salt

fresh water

ice

water vapor

____________

Question 13

Species that are purposely or accidentally introduced to a new geographical region

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.

biome

population

ecosystem

community

all of the individuals of a species in a specific area

comprises all of the biotic and abiotic factors in a particular area

interacting species occupying a given habitat

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?

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?

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].

age

speciation

equator

size

hotspots

evolution

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

Explanation / Answer

The majority of water found on Earth is salt: about 97% of water is found in oceans

Species that are purposely or accidentally introduced to a new geographical region can become serious pests by killing the native species

When new species enter into a geographical area it causes significant loss to the biological communities Some donot become established in the introduced new places while some are able to establish in the new area. Such exotic species may kill or eat native species to the point of extinction.

Ecosystem- comprises all of the biotic and abiotic factors in a particular area

Population-all of the individuals of a species in a specific area

Community- interacting species occupying a given habitat

Biome- large scale interactions of species defined on land by the type primary type of vegetation

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