AnswersRVACR EcologyCharacteristics of Life

Lesson 1: Characteristics of Life Answers

0 verified answers
1
Free Preview

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.
2
Free Preview

When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity?

A
cell
B
organism
C
organ system
D
tissue
3

Which is biotic?

A
wind
B
iron gate
C
sunlight
D
leaf
4

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
5

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
6

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.
7

Which is biotic?

A
water
B
temperature
C
sapling
D
rocks
8

What was shown by both Redi’s and Pasteur’s experiments?

A
Living things only come from other living things.
B
Nonliving things can come from living things.
C
Nonliving things only come from other nonliving things.
D
Living things can come from nonliving things.
9

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

A
Water
B
Trees
C
Bacteria
D
Insects
10

Which term best describes the temperature and weather conditions of an organism’s environment?

A
biotic factors
B
abiotic factors
C
natural resources
D
natural habitat

Did you find these answers helpful?