Chapter1-Characteristics Of Living Things

Question 1

Evolve

Answer 1

Change over time, the process by which modern organisms have ascended from ancient organisms

Question 2

Energy

Answer 2

Allows organisms to do things

Question 3

DNA

Answer 3

A complex information that all organisms need to live, grow, and reproduce in a genetic code written in a molecule

DeoxyriboNucleic Acid

Question 4

Heredity

Answer 4

The passing of traits from parent to offspring

Question 5

Sexual Reproduction

Answer 5

• cells from 2 parents unite to form the first cell of a new organism
• most plants and animals engage in sexual reproduction

Question 6

Asexual Reproduction

Answer 6

A single organism produces offspring identical to itself

Question 7

Reproduction

Answer 7

Producing new similar organisms to continue the cycle of life

Question 8

Metabolism

Answer 8

The combination of chemical reactions through which an organism builds up or breaks down materials

Question 9

Cells

Answer 9

Basic unit of all forms of life

Question 10

Sense and respond to change/stimuli

Answer 10

Recognize external stimuli and react to it

Stimuli: something that causes a reaction

Question 11

Growth and Development

Answer 11

Single cell =increase in size
Multicellular = increase in number of cells

Change in form with in an organism’s lifespan
Some changes are dramatic

Question 12

Homeostasis

Answer 12

Relatively constant internal physical and chemical conditions that organisms maintain

Question 13

Stimulus

Answer 13

A signal to which an organism responds

Something that causes a reaction