Chapter 1

Question 1

atoms

Answer 1

basic unit of life

Question 2

molecules

Answer 2

made of two or more atoms, bonded together

Question 3

cells

Answer 3

the basic unit of life

Question 4

tissues

Answer 4

made of similar cells

Question 5

organs

Answer 5

made of two or more tissue types

Question 6

organ system

Answer 6

examples;;

Question 7

organisms

Answer 7

multicellular

Question 8

population

Answer 8

all members of the same species in an area

Question 9

community

Answer 9

all organisms deff species in an area

Question 10

ecosystem

Answer 10

all organisms in an area plus the nonliving factors

Question 11

biosphere

Answer 11

the sum of all ecosystems; earths crust,water,

Question 12

metabolism

Answer 12

chemical reactions that occur in a cell

Question 13

adaptations;

Answer 13

allow organisms to survive and function in a particular environment.

Question 14

evolution

Answer 14

common descent with modification

Question 15

taxonomy is the

Answer 15

classification of organisms, based on certain rules

Question 16

a classification ; Domains (3)

Answer 16

Domains (3)

1. Archaea
2. bacteria
3. eukarya

Question 17

a classification; kingdoms (4)

Answer 17

Kingdoms (4)

1. Protisits
2. Plantae
3. Fugi
4. Animalia

Question 18

scientific method steps (4)

Answer 18

1. observation
2. hypothesis
3. prediction & experiments
4. conclusion

Question 19

scientific theory

Answer 19

supported by a lot of observation, experimentation and data.