Biology Pretest Chapter 1

Front 1

what properties do all living things exhibit?

Back 1

cellular organization, metabolism, homeostasis, reproduction and heredity.

Front 2

scientific processes

Back 2

collecting observations, asking question, forming hypothesis and making predictions

Front 3

pH level

Back 3

independent variable in John Harte's experiment

Front 4

gene therapy

Back 4

replacing a defective gene with a normal gene

Front 5

the _____ ______ ______ has succed in sequencing all human chromosomes.

Back 5

human geno project

Front 6

explain what role DNA plays in an organism

Back 6

it is the transfering of genes

Front 7

give an example of how a gene mutation can be beneficial

Back 7

sycle cell people are not as aueceptable to moleria

Front 8

why is reproduction an essential part of living

Back 8

so that it would stop extinction

Front 9

define the first stage of a scientific investigation-observation

Back 9

notes about objects or events by using your five senses you are making

Front 10

sex cells

Back 10

a mutation in these cells of the cheetah can be passed to its offspring

Front 11

paramecium

Back 11

a unicellar organism

Front 12

paramecium and cheetahs

Back 12

have to maintain a stable internal enviroment

Front 13

statement that best identifies the biological theme of interpendence

Back 13

the organisms in a community live and interact with other organism

Front 14

scientist usually design experiments

Back 14

based on how well the experiment is able to test their hypothesis

Front 15

a unifying explanation for a broad range of observations

Back 15

theory

Front 16

generally the stages of a scientific investigation proceed in what order?

Back 16

observations, hypothesis, making predictions, testing predictions with experiments, drawing conclusions

Front 17

a control group

Back 17

is the group in an experiment that receives no experimental treatment

Front 18

biologist John Harte wanted to determine why there was a decline in the number of salamanders.Based on his observations, Harte suggested that acid rain might be responsible.
this suggestion was a

Back 18

hypothesis

Front 19

harte thought that he would find acid in the ponds after the snow melted. this idea was a

Back 19

prediction

Front 20

maintance of a stable internal enviroment in spite of changes in the enviroment is called

Back 20

homeostasis

Front 21

AIDS research had led to the development of

Back 21

drugs that prolong the onset of the disease

Front 22

gene therapy has provided hope for people who suffer from heredity disorders such as

Back 22

cystic fibrosis

Front 23

during gene therapy a defective gene is replaced with

Back 23

a normal gene

Front 24

the primary goal of the human genome project was

Back 24

to sequence the entire DNA contents of a human cells chromosomes

Front 25

the change in the inherited traits of species over generations is called

Back 25

evolution

Front 26

west nile virus

Back 26

an emerging disease

Front 27

genetic engineering

Back 27

a tool used to increase world food supply

Front 28

prediction

Back 28

the expected outcome of a test

Front 29

a theory in the scientific sense is

Back 29

a set of tested and confirmed related hypothesis

Front 30

to run the processes of life, all living things require

Back 30

energy

Front 31

during a scientific investigation, a researcher generally forms a hypothesis and makes predictions

Back 31

after collecting observations