please please help with biology?

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i do school online and only have 15 minutes left for the test any answers will be appreciated do what you know only (:








THIS IS A TIMED EXAM!



Question 12 (Multiple Choice Worth 2 points)

According to the Scientific Theory of the Origin of Life multicellular animals came directly from:

Basic biological molecules.

Endosymbyotic prokaryotic cells.

Simple atoms.

Eukaryotic cells working together.

Question 13 (Multiple Choice Worth 2 points)

DNA has given scientists clues about how living things have changed over time. Other ways they can learn about how populations have changed are by using:

Fossils

Remains

Observations

All of the above

Question 14 (Essay Worth 2 points)

Charles Darwin made many observations along his travels on the H.M.S. Beagle. Based on his observations he founded the theory of evolution. What does this theory say?


Question 15 (Essay Worth 2 points)

What is one thing we have learned from examining hominoid fossils?


Question 16 (Essay Worth 2 points)

Hominid fossils have told us many things about how man has changed over time. Give an example of one thing we have learned from the hominid fossils.


Question 17 (Multiple Choice Worth 2 points)

According to the Scientific Theory of the Origin of Life, Prokaryotic Cells could have originated from:

Biological molecules trapped in pockets of clay.

Biological molecules combined by intense heat from undersea vents.

Biological molecules combined in bubbles along shorelines.

All of the above.

Question 18 (Multiple Choice Worth 2 points)

When genes move between two closely associates species this is:

A Mutation

Gene Flow

Natural selection

Genetic Drift

Question 19 (Multiple Choice Worth 2 points)

A scientific fact that has been proven by experimentation over a long period of time is a:

Scientific Law

Scientific Theory

Question 20 (Multiple Choice Worth 2 points)

When a population is severely reduced some genes become more pronounced in future generations. This called.

Genetic Drift

Gene Flow

Mutations

Natural Selection

Question 21 (Multiple Choice Worth 2 points)

The Scientific Theory of Evolution explains:

How we have completely different DNA than other species.

How living things can adapt to their environment.

Why living things were formed.

Question 22 (Essay Worth 2 points)

Agree or Disagree with this statement give at least two reasons why. Microevolution creates a new species.


Question 23 (Multiple Choice Worth 2 points)

There are so many closely related species of wildflowers on the islands because they often cross pollinate and pass on DNA from one species to the other. This is an example of:

Gene Flow

Natural Selection

Mutations

All of the above

Question 24 (Multiple Choice Worth 2 points)

There are many different species of Galapagos finches. Each with its own special features that are unique and help them best survive in their area. This is an example of:

Mutations

Macroevolution

Genetic Drift

Some of the above

All of the above

Question 25 (Multiple Choice Worth 2 points)

When a new species is created this is an example of:

Microevolution

Gene flow

Macroevolution

Natural Selection

Question 26 (Multiple Choice Worth 2 points)

A conclusion that is made based on scientific evidence and is generally accepted by as fact describes a:

Scientific Law

Scientific Theory

Question 27 (Multiple Choice Worth 2 points)

Living things are able to adapt to the changes in their environment. This is explained by the:

Theory of Mutations

The Theory of Evolution

The theory of Gene Flow

Question 28 (Essay Worth 2 points)

Hominoid fossils helped us learn about man has changed over time. Give one example of how man has physically changed.


Question 29 (Multiple Choice Worth 2 points)

Fossils can be used to:

Gather information about certain the species.

Help understand how the world has changed.

Reconstruct events of the past.

All of the above

Question 30 (Essay Worth 3 points)

Compare and contrast Microevolution and Macroevolution. Give one way that they are alike and one way that they are different.
 
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