ch 1 (intro. to bio)

Question 1

observation

Answer 1

process of gathering information about event in a careful onginized way

Question 2

DNA

Answer 2

nucleic acid the contains the sugar deoxyribose

Question 3

evolution

Answer 3

change over time

Question 4

hypothesis

Answer 4

a logical explanation based on prior knowledge

Question 5

metabolism

Answer 5

sum of all chemical reactions within an organism

Question 6

homeostatis

Answer 6

process by which orgnism maintains stable internal environment

Question 7

inference

Answer 7

a scientific explanation for a set of observations

Question 8

controlled variable

Answer 8

a factor in an experiment that remains the same

Question 9

spontaneous gen.

Answer 9

hypothesis that states that life can arise from nonliving matter

Question 10

stimulus

Answer 10

the signal to which an organism responds

Question 11

responding variable

Answer 11

a factor in an expirement that a scientist wants to observe , it changes in responce to manipulated variable

Question 12

controlled expirement

Answer 12

allows scientist to isolate and test single varible

Question 13

cell specilization

Answer 13

seprate roles for each type of cell in a multicellular organism

Question 14

manipulated variable

Answer 14

Factors in an experiment that the scientist purposely changes

Question 15

redi

Answer 15

scientist who Tested the hypothesis that flies produce magnets, he used meat in jars in the uncovered jar maggots appeared in the cover maggots did not

Question 16

pasture

Answer 16

boiled broth w/ swan like curved neck

Question 17

needham

Answer 17

heated gravy in pen flasks claimed spontaneous generation dose accrue

Question 18

levels of study

Answer 18

Biosphere ecosystem community
population . organisms group of cells
cell molecules

Question 19

classification group

Answer 19

kingdom phylum class . order family

genus species

Question 20

characteristics of living things

Answer 20

made up of cells, reproduce, based on genetic code, grow and develope, change over time, obtain and use energy respond to environment , maintain internal balnce

Question 21

two types of data

Answer 21

quantaive and qualative

Question 22

unicellular

Answer 22

1cell

Question 23

multicellular

Answer 23

many cells

Question 24

asextual

Answer 24

1 parent genetacly identical

Question 25

sexual

Answer 25

2 parents , genetically diffrent organisms

Question 26

heterotrophic

Answer 26

eats other organisms to survive

Question 27

autotropich

Answer 27

makes its own food

Question 28

x and y axis in expiriment

Answer 28

x: independent y: dependent

Question 29

compund microscope

Answer 29

allows light to pass through image

Question 30

sem

Answer 30

scaning electon micro.

Question 31

tem

Answer 31

transmistion electron microscope

Question 32

prokaryote

Answer 32

no nuclouse

Question 33

eukaryotic

Answer 33

has nucleus

Question 34

6 kingdoms

Answer 34

archaebacteria . eubacteria . protista . fungi . plantae . animalia

Question 35

theory

Answer 35

A well tested explanation that unifies a broad range of observations