Life Science

Life Science Test #1

1. An independent individual that possesses the characteristics of life is called a(n)

a. cell.

b. organism.

c. organ.

d. tissue.

e. atom.

Text Section: LO2

Key Concept: biological hierarchy

Level: Basic fact retention

Answer: B; Some students may be tempted to select choice a (cell) because there are many unicellular organisms. However, this would not be the best answer because in a multicellular organism, each individual cell is not independent.

2. An organ is made up of several

a. biological molecules.

b. organ systems.

c. tissues.

d. cells.

e. organisms.

Text Section: LO2

Key Concept: biological hierarchy

Level: Basic fact retention

Answer: C; Although a and d could also be considered to be correct, c is the best answer because it is the level of organization immediately below organ in terms of complexity.

3. The simplest entity that exhibits all of the properties of life is called a(n)

a. cell.

b. molecule.

c. organ.

d. tissue.

e. organism.

Text Section: LO2

Key Concept: biological hierarchy

Level: Basic fact retention

Answer: A

4. The scientific name for the black-footed ferret is Mustela nigripes. The name Mustela indicates the ____________ to which this organism belongs.

a. class

b. family

c. genus

d. phylum

e. species

Text Section: LO4

Key Concept: binomial nomenclature

Level: Basic fact retention

Answer: C

5. Characteristics usually associated with life include all of the following except

a. motility.

b. responsiveness to stimuli.

c. reproduction.

d. lack of change from generation to generation.

e. a high degree of organization.

Text Section: LO1

Key Concept: characteristics of life

Level: Basic fact retention

Answer: D

6. Which list is organized from smallest to largest level of organization of life?

a. organelles, cells, tissues, organs, organ systems, organisms

b. organelles, tissues,...