characteristics of life

Question 1

what is an organism

Answer 1

a living thing

Question 2

what are the life processes

Answer 2

green t chs

Question 3

growth

Answer 3

increase in the number cells

Question 4

development

Answer 4

all changes during the life of an organism

Question 5

reproduction

Answer 5

produce offspring, make new organisms

Question 6

asexual reproduction

Answer 6

one parent makes offspring that is identical to itself

Question 7

sexual reproduction

Answer 7

two parents making offspring that are not identical to either parent

Question 8

excretion

Answer 8

removal of cellular wastes

Question 9

egestion

Answer 9

removal of undigested material

Question 10

evolution

Answer 10

species change over time due to environmental [pressure

Question 11

autotrophic nutrition

Answer 11

done by producers, take in inorganic molecules and convert it to organic food

Question 12

heterotrophic nutrition

Answer 12

done by consumers, take in pre- made organic molecules

Question 13

ingestion

Answer 13

taking food in

Question 14

disgestion

Answer 14

breaking down foods into smaller sub units so it can be absorbed into the bloodstream

Question 15

transport

Answer 15

to absorb and circulate molecules

Question 16

absorption

Answer 16

to move molecules into cells and fluids of the organism

Question 17

circulate

Answer 17

to move molecules throughout the body of an organism

Question 18

respiration

Answer 18

to release energy from food

Question 19

aerobic respiration

Answer 19

requires oxygen and releases the most energy from food

Question 20

anaerobic respiration

Answer 20

doesnt use oxygen and releases only a little of the energy from the food

Question 21

homeostasis

Answer 21

maintaining a stable internal environment

Question 22

regulation

Answer 22

responding to stimuli to maintain homeostasis

Question 23

stimulus

Answer 23

anything internal or external that causes an organism to react

Question 24

response

Answer 24

a reaction to the stimulus

Question 25

synthesis

Answer 25

to combine small molecules to make larger more complex ones

Question 26

metabolism

Answer 26

all the life processes going on in the organism

Question 27

how many cells must living things be made of?

Answer 27

one or more cells

Question 28

structural organization of organisms

Answer 28

cell, tissue, organs, organ systems, organism

Question 29

unicellular

Answer 29

made of only one cell that preforms all the life processes

Question 30

multicellular

Answer 30

made of many cells that specialize and organize

Question 31

tissues

Answer 31

groups of similar cells that work together

Question 32

organs

Answer 32

different tissues working together to preform a job

Question 33

organ systems

Answer 33

several organs working together to preform a job