Vocab Unit 1

Question 1

Characteristics of life

Answer 1

-order
-reproduction
-growth/development
-energy processing
-regulation
-response to environment
-evolutionary adaption

Question 2

Ecosystem

Answer 2

all organisms living in a environment

Question 3

Community

Answer 3

-array of organisms
-an interacting group of various species

Question 4

Population

Answer 4

all individuals of a particular species

Question 5

Organism

Question 6

Organ System

Question 7

Organ

Question 8

Tissue

Question 8

Cell

Question 9

Organelle

Question 10

Independent variable

Answer 10

The variable that is manipulated or changed

Question 11

Molecule

Question 12

Dependent variable

Answer 12

what is being affected

Question 13

Constants

Answer 13

the factors that do not change

Question 14

Ionic Bonds

Answer 14

attractions between ions of opposite charge

Question 15

Polar molecule

Answer 15

unequal distribution of charges

Question 16

Ion

Answer 16

atom/molecule with a electrical charge from a gain or loss of electrons

Question 17

Nonpolar molecule

Answer 17

equal distribution of charges

Question 18

Chemical reactions

Answer 18

breaking existing chemical bonds and forming new ones

Question 19

Cohesion

Answer 19

molecules sticking together

Question 20

Adhesion

Answer 20

clinging of one substance to another

Question 21

Solution

Answer 21

a liquid consisting of a uniform mixture

Question 22

Solvent

Answer 22

dissolving mixture

Question 23

Solute

Answer 23

Substance that is dissolved

Question 24

Aqueous solution

Answer 24

water is the solvent

Question 25

Base

Answer 25

substance that reduces hydrogen ion concentration of a solution

Question 26

Buffers

Answer 26

minimizes changes in ph

Question 27

Covalent bond