Question 1

The moon's revolution around the earth is the basis for which of the following measurements of time?

Accepted Answer

A) Days 
B) Weeks 
C) Months 
D) Years

Question 2

What is the term used to describe the biological process by which an animal physically changes after birth or hatching, causing an extreme difference in the animal's body structure through cell growth and differentiation?

Accepted Answer

A) Adaptation 
B) Gradualism 
C) Metamorphosis 
D) Extinction

Question 3

Which of the following would happen if the earth's atmosphere was made mostly of methane instead of nitrogen, an inert gas?

Accepted Answer

A) Humans would not be affected. 
B) Our water structure would be different. 
C) There would be no life. 
D) None of the above

Question 4

What is the title for a person who advises on matters of food and the nutritional impactit has on health?

Accepted Answer

A) A medical doctor 
B) A physical therapist 
C) A nutritionist 
D) A food scientist

Question 5

The effect of wind on ocean surfaces can create which of the following?

Accepted Answer

A) Erosion 
B) Threat to sea life 
C) Waves 
D) Hurricanes

Question 6

Which of the following is an exampleof a specific species?

Accepted Answer

A) Duck 
B) Squirrel 
C) Fish 
D) Poodle

Question 7

Which of the following are unique to only plant cells?

Accepted Answer

A) A cell wall 
B) A nucleus 
C) Cytoplasm 
D) Membrane

Question 8

A(n)_______________ is a mixture of one substance dissolved in another so the properties are the same throughout.

Accepted Answer

A) Solution 
B) Element 
C) Compound 
D) Molecule

Question 9

Which of the following is the definition of the hydrosphere?

Accepted Answer

A) The mass of water found on the earth 
B) The mass of water found under the earth 
C) The mass of water found over the surface of the earth 
D) All of the above

Exam 8: Science