Please answer as many questions as you can.?

Question 4
Pretend you are a scientist and you are digging and examining an area of sedimentary rocks. In one layer of the rock you discover the remains of an extinct relative of the polar bear. In a layer below these remains, you observe the fossil of an extinct alligator. Which of the following could be true?

The area was once under water and then the climate became very cold and icy.

The area was once frozen and then thawed to a water ecosystem.

The area was once full of glaciers and because of global warming became a swamp type environment.

None of the above

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Question 5
Mutations can be:

Harmful

Beneficial

Both a and b

None of the above

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Question 6
Mating is always totally random.

True
False

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Question 7
The second name in a scientific name uses the ___________ taxa.

Species

Family

Genus

None of the above

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Question 8
Taxonomy has economic importance.

True
False

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Question 9

A species of bird develops a longer beak because of the need to feed on flowers in the area. This is an example of __________.

Microevolution

Macroevolution

Neither A or B

None of the above

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Question 10

Why do scientists like to find frozen or amber-preserved fossils?

They can study the whole organism.

They are older fossils.

Both a and b

None of the above

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Question 11 (Multiple Choice Worth 4 points)

A multicellular, heterotrophic, eukaryote that absorbs food as it decomposes it is a _____________.

Protist

Bacteria

Fungus

None of the above

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Question 12 (Multiple Choice Worth 4 points)

Which of the following is a useful reason for scientific naming?

It allows scientist to identify organisms and study them.

Scientist can study organisms and closely related organisms more easily.

Both a and b

None of the above

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Question 13 (Multiple Choice Worth 3 points)

___________, also known as genetic mutations, can change the genes that are passed on in populations.

Mutation

Pathogen

Allergen

None of the above

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Question 14 (Multiple Choice Worth 3 points)

____________ can be gained by species mating with other closely associated species bringing new genes into their own population from the others.

Mutations

Gene Flow

Genetic Drift

None of the above

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Question 15 (Multiple Choice Worth 3 points)

The ____________ kingdom contains bacteria that live in extreme areas, like hot volcano vents, the Dead Sea (lots of salt), or highly acidic areas.

Viral

Archaebacteria

Eubacteria

None of the above

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Question 16 (Multiple Choice Worth 3 points)

A ___________ is a proposed set of statements or principles used to explain a group of facts or natural phenomena.

Law

Hypothesis

Theory

None of the above

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Question 17 (Multiple Choice Worth 3 points)

The theory of evolution that deals with an organism changing and developing into a new species is called _____.

Microevolution

Macroevolution

Both A and B

None of the above

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Question 18 (Essay Worth 12 points)

There are many species of wildflowers found in the islands. Wildflowers are just one of the plant species that can be affected by the process of gene flow. Closely related different species of wildflowers can cross pollinate and cause genes from one species to enter the population of the other. Does this result in great genetic variation or mutation? Explain.

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Question 19 (Essay Worth 12 points)

Describe the 3 domain classification system.