Chapter 1-3

Question 1

What are the six characteristics of life

Answer 1

Life is organized, life requires materials and energy, living organisms maintain an internal environment, living organisms respond, living organisms reproduce and develop, and living organisms have adaptations

Question 2

Atoms

Answer 2

1st/ smallest level: atoms join together to form molecules

Question 3

Molecules

Answer 3

2nd level: they form organelles

Question 4

Organelles

Answer 4

3rd: parts of a cell that carry out specific functions

Question 5

Cell

Answer 5

4th: smallest structural and functional unit of an organism

Question 6

Tissue

Answer 6

5th: group of similar cells that perform particular function

Question 7

Organ

Answer 7

6th: composed of several tissue types

Question 8

Organ system

Answer 8

7th: group of organs that work together for a common purpose

Question 9

Organism

Answer 9

8th: collection of organ systems

Question 10

Species

Answer 10

9th: a group of interbreeding organisms

Question 11

Population

Answer 11

10th: the members of one species in a particular area

Question 12

Community

Answer 12

11th: interacting populations (all living organisms)

Question 13

Ecosystem

Answer 13

12th: community of populations interacting with the physical environment (community plus nonliving components)

Question 14

Biosphere

Answer 14

13th: all of the Earth’s ecosystems

Question 15

What is the ultimate source of energy for nearly all life on Earth

Answer 15

The sun

Question 16

Energy

Answer 16

The capacity to do work

Question 17

Metabolism

Answer 17

All chemical reactions occurring in the cell

Question 18

Homeostasis

Answer 18

Maintenance of internal conditions within certain boundaries

Question 19

Ways to remain homeostatic

Answer 19

Moving to a warmer area or liver releasing stored sugar

Question 20

What is the blueprint for the development of all organisms

Answer 20

DNA

Question 21

Evolution

Answer 21

The process by which populations accumulate adaptations over time to become more suited to their environments

Question 22

Who is credited with discovering the process of natural selection

Answer 22

Charles Darwin and Alfred Russel Wallace?

Question 23

Taxonomy

Answer 23

The discipline of naming and classifying organisms according to certain rules

Question 24

Most inclusive to least inclusive classifications

Answer 24

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species (Debonair Kings Play Chess On Fine Green Sand)

Question 25

The three domains of life

Answer 25

Domain Archaea, Domain Bacteria, Domain Eukarya