Biology 9 weeks test study guide

Question 1

observation

Answer 1

the process of gathering information about events or processes in a careful, orderly way.

Question 2

data

Answer 2

the information gathered from observations

Question 3

inference

Answer 3

a logical interpretation based on prior knowledge or experience

Question 4

hypothesis

Answer 4

a proposed scientific explanation for a set of observations

Question 5

spontaneous generation

Answer 5

scholars of the day even gave a name to the idea that life could arise from nonliving matter

Question 6

manipulated variable

Answer 6

the variable that is deliberately changed

Question 7

responding variable

Answer 7

variable that is observing and changes in response to the manipulated variable

Question 8

theory

Answer 8

a particular hypotheses may become so well supported that scientist consider it as a theory

Question 9

biology

Answer 9

the study of living things

Question 10

compound light microscope

Answer 10

allow light to pass through the specimen and use two lenses to form an image.

Question 11

cell

Answer 11

a collection of living matter enclosed by a barrier that separates the cell from its surrounding

Question 12

metabolism

Answer 12

the combination of chemical reactions through which an organism builds up and breaks down

Question 13

homeostasis

Answer 13

the process by which they do

Question 14

evolve

Answer 14

evolution

Question 15

metric system

Answer 15

a decimal system of measurements whose units are based on certain physical standards and are scaled on multiples of 10

Question 16

cell culture

Answer 16

cell is able to reproduce so that a group of cells develops from the single original cell

Question 17

atom

Answer 17

basic unit of matter

Question 18

nucleous

Answer 18

small, dense region within most nuclei in which the assembly of proteins begins

Question 19

electron

Answer 19

negatively charged particle; located outside the atomic nucleous

Question 20

element

Answer 20

substance consisting entirely of 1 type of atom

Question 21

proton

Answer 21

positive charge

Question 22

neutron

Answer 22

no charge

Question 23

isotope

Answer 23

atom of an element that has a number of neutrons difference from that of other atoms of the same element

Question 24

Science

Answer 24

an organized way of using evidence to learn about the natural world