Bio ch. 1

Question 1

Biology

Answer 1

the study of living things

Question 2

organism

Answer 2

any living thing

Question 3

10 characteristics that all living things share

Answer 3

organization, reproduction, heredity, growth + development, metabolism, respond to the environment, homeostasis, interdependence, evolution, excretion

Question 4

organization

Answer 4

all living things are made up of cells

Question 5

cell

Answer 5

basic unit of life

Question 6

organization of life from the smallest to biggest

Answer 6

1. atom
2. molecule
3. cell
4. tissue
5. organ
6. organ system
7. organism

Question 7

reproduction

Answer 7

organisms make more of themselves

Question 8

Asexual reproduction

Answer 8

DNA from one organism (1 parent)

Question 9

Sexual reproduction

Answer 9

DNA from 2 organisms (2 parents)

Question 10

What kinds of reproduction do humans undergo?

Answer 10

Asexual & Sexual reproduction

Question 11

Heredity

Answer 11

the passing of traits to offspring

Question 12

gene

Answer 12

basic unit of heredity

Question 13

DNA

Answer 13

carries the instructions

Question 14

Mutation

Answer 14

a change in DNA (hereditary vs. Sporadic)

Question 15

examples of genetic mutations

Answer 15

green eyes, red hair, and cancer

Question 16

growth and development

Answer 16

to get bigger

Question 17

(growth and development )
unicellular examples

Answer 17

bacteria and ameba

Question 18

(growth and development)
multicellular examples

Answer 18

humans

Question 19

metabloism

Answer 19

obtaining and using energy from the sun

Question 20

how does metabolism work

Answer 20

with a combination of chemical reactions to carry out life’s processes

Question 21

stimulus

Answer 21

signal in which an organism responds

Question 22

response to environment example

Answer 22

ex. bright light will make you squint, cold weather will make you shiver

Question 23

(Respond the the environment)
phototropism

Answer 23

plants bend toward the sun

Question 24

homeostasis

Answer 24

maintaining a stable internal environment while the outside changes

Question 25

homeostasis ex:
temperature and water content …

Answer 25

will be maintained through internal stimuli

Question 26

interdependence

Answer 26

how organisms live and interact with each other and their environment

Question 27

ecology

Answer 27

the study of interdependence

Question 28

evolution

Answer 28

change of a species over time

Question 29

natural selection

Answer 29

“survival of the fittest”

Question 30

excretion

Answer 30

removal of wastes

Question 31

no living things can have …

Answer 31

characteristics of living things