Chapter 1

Question 1

Where do living things come from?
Biogenesis
Spontaneous generation

Answer 1

Biogenesis: living things come from only living things
Spontaneous: come from no living things

Question 2

Name 4 things that living things need to survive.

Answer 2

1. ) food
2. ) water
3. ) living space
4. ) stable conditions

Question 3

Name the levels of classification and describe the relationship between organisms in different levels.

Answer 3

Domain, kingdom, phylum, class, order, family, genus, species

As you go down the levels of classification the number of organisms decrease. The lower levels share more characteristics than each other.

Question 4

How are taxonomic keys useful?

Answer 4

It is useful because once an organism is classified, scientists know a lot about the organism.

Question 5

What is the relationship between classification and evolution?

Answer 5

Species with similar evolutionary histories are classified more closely together.

Question 6

What is the difference between bacteria and archaea?

Answer 6

Bacteria differs from archaea by structure and chemical makeup.

Question 7

List the kingdoms within the domain Eukarya.

Answer 7

1. ) Protists
2. ) fungi
3. ) plants
4. ) animals

Question 8

Describe the difference between the atmosphere of ancient earth and today’s earth.

Answer 8

Ancient earth was made up of nitrogen, water vapor, methane, and carbon dioxide. Today’s earth is made up of oxygen and nitrogen.

Question 9

List the characteristics used to classify organisms.

Answer 9

Prokyote eqkarote unicellular multicellular autotroph heterotroph

Question 10

Describe the contributions of Linnaeus and Darwin.

Answer 10

Linnaeus devised a system of naming organisms called binomial nomenclature.
Darwin published a theory of how species change over time.

Question 11

Explain how scientists think that life arose over time.

Answer 11

1.) scientists believe small chemical units of life formed in earths waters. Then the chemical units joined to form large building blocks found in cells. Finally, some large chemicals joined together to become the front runners of cells.

Question 12

Why do biologists organize living things into groups?

Answer 12

So that organisms are easier to study.

Question 13

What are the 6 characteristics that all living things share.

Answer 13

1. ) cellular organization
2. ) the chemicals of life.
3. )energy use
4. ) respond to surroundings
5. ) growth and development
6. ) reproduction