Chapter 1

Question 0

Levels of biological organization

Answer 0

1. Biosphere
2. Ecosystems
3. Communities
4. Populations
5. Organisms
6. organ and organ systems
7. Tissues
8. Cells
9. Organelles
10. Molecules

Question 1

What does life do?

Answer 1

Evolve,respond to environment,reproduction,growth and development,energy processing,regulation,order

Question 2

How does energy flow through an ecosystem?

Answer 2

Enters as light and exits as heat

Question 3

What is closely related in living organisms?

Answer 3

Structure and function

Question 4

All cells

Answer 4

Are enclosed by a membrane

Use DNA as their genetic information

Question 5

Genome and genomics

Answer 5

It’s entire set of genetic instructions

The study of genes between species

Question 6

How many species have been discovered and how many are estimated to exist?

Answer 6

1.8 million species have been identified
Estimate of actual amount of species
10 million to 100 million

Question 7

Taxonomy

Answer 7

Branch of biology that names and classifies species into groups of increasing breadth

Question 8

Order of biggest to smallest naming group

Answer 8

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

Question 9

Domains bacteria and archaea are

Answer 9

Prokaryotes

Question 10

Domain eukarya includes

Answer 10

Plants
Fungi-absorb nutrients
Animals

Question 11

Darwin

Answer 11

Wrote his book in 1859

• descent with modification
• natural selection

Question 12

The word science

Answer 12

Derived from Latin “to know”