Characteristics of Life Answers

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1
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Which of the following is an example of an abiotic component?

A
Water
B
Trees
C
Bacteria
D
Insects
2
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Which level of organization includes all the other levels of organization?

A
organ system
B
organism
C
tissue
D
cell
3

Which characteristic of life best describes the process of homeostasis?

A
responding to the environment
B
reproducing
C
growing and developing
D
using energy
4

Living organisms, such as trees and cows, share certain characteristics of life. Which statement describes a difference in one of the characteristics of life shared by trees and cows?

A
One of the organisms produces asexually, the other does not.
B
One of the organisms responds to the environment, the other does not.
C
One of the organisms gets energy directly from the sun, the other does not.
D
One of the organisms grows and changes, but the other does not.
5

Which is one of the five characteristics of life?

A
having organs
B
containing tissues
C
growing and developing
D
spontaneously generating
7

Which term best describes an organism that can contain up to five levels of organization to carry out life functions?

A
multicellular
B
unicellular
C
abiotic
D
biotic
8

Which is biotic?

A
wind
B
iron gate
C
sunlight
D
leaf
9

How were Redi’s and Pasteur’s experiments similar?

A
Both studied the growth of microbes in broth.
B
Both studied flies emerging from meat.
C
Both tested the idea of spontaneous generation.
D
Both tested whether pasteurization kills microorganisms.
10

Which would best be described as abiotic?

A
water in a stream
B
fish in a stream
C
bacteria in the soil
D
roots in the soil
11

Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing external conditions?

A
spontaneous generation
B
homeostasis
C
growth and development
D
reproduction
12

Which characteristic of life best describes the process of photosynthesis?

A
using energy
B
containing cells
C
reproducing
D
growing and developing
13

Sweating when it is hot outside is an example of which characteristic of life?

A
responding to the environment
B
using energy
C
reproducing
D
growing and developing
14

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the least complex to the most complex?

A
organism, organ, organ system, cell, tissue
B
organism, organ system, organ, tissue, cell
C
cell, tissue, organ system, organ, organism
D
cell, tissue, organ, organ system, organism

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