Unit 1: Characteristics of Life

Question 1

What are the characteristics of lifes? (all ten)

Answer 1

Cellular Organization, Metabolism, Homeostatis, Response to Stimuli, Heredity, Reproduction, Growth and Development, and Evolution

Question 2

What is the Cellular Organization?

Answer 2

Living things are composed of one or more cells.

Question 3

What is unicellular?

Answer 3

entire organism only has one cell

Question 4

What is muticellular?

Answer 4

builds much more complex organisms and cells can even differentiate into tissues and organ systems (like humans)

Question 5

What is Homeostatsis?

Answer 5

maintain a stable internal environment

Question 6

What is response to stumuli?

Answer 6

respond to the enviroment, a stimulus is a signal that leads to an organisim’s responses, ex: plants release toxic chemicals to stop insects from eating them

Question 6

What is heredity?

Answer 6

store and transmit genetic information (DNA), all living things recieve traits from their parent organism.

Question 7

what is reproduction?

Answer 7

produce new similar organisms through sexual or asexual reproduction

Question 8

What is Metabolism?

Answer 8

obtain and use material and energy

Question 9

what is evolution?

Answer 9

inherited change in the characterisitics of species over several generations

Question 10

growth and development

Answer 10

increase in mass and complexity during an organism’s life cycle

Question 11

What does an organelle mean? Example? Level?

Answer 11

means: a specialized part within a cell
ex: nucleus
level: 2

Question 11

What does a molecule mean? Example? What level?

Answer 11

a group of atoms that are chemically bonded together.
ex: DNA
level: 1

Question 12

What does a cell mean? Example? Level?

Answer 12

means: basic unit of life
ex: nerve cell
level: 3

Question 13

What does a tissue mean? Example? Level?

Answer 13

means: a group of specialized cells that perform a similar function
ex: muscle tissue
level: 4

Question 14

What does an organism mean? Example? Level?

Answer 14

means: a distinct living thing
ex: a coyote
level: 7

Question 15

What does a population mean? Example? Level?

Answer 15

means: a group of organisms of the same species, living in the same area.
ex: coyotes in Yosemite National Park
level: 8

Question 16

What does a community mean? Example? Level?

Answer 16

means: the interacting, living populations, that live in the same area
ex: All the populations in Yosemite National Park
level: 9

Question 17

What does biosphere mean? Example? Level?

Answer 17

means: the zone of life on planet Earth, All ecosystems
ex: The Earth’s biosphere
level: 11

Question 17

What does a ecosystem mean? Example? Level?

Answer 17

means: a community of living organisms, and their nonliving parts of their environment
ex: The Yosemite community, plus its energy, soil, etc.
level: 10