biology: science of biology

Question 0

what is the smallest unit of life?

Answer 0

cells

Question 1

what are all living things made of?

Answer 1

cells

Question 2

unicellular

Answer 2

made of one cell

Question 3

multicellular

Answer 3

made of two cells

Question 4

tissue

Answer 4

group of cells working together to perform a function

Question 5

organ

Answer 5

structure with specialized job in organ system

Question 6

organ system

Answer 6

group of organs

Question 7

organelles

Answer 7

components of cell

keep cell alive

Question 8

biological molecules

Answer 8

chemical compounds used for cellular function

Question 9

main differences between living and non living

Answer 9

1. made of cells
reproduce
 grow and develop
need energy for metabolism
respond to environmental stimulus
regulate homeostasis
evolve
share universal genetic code

Question 10

reproduce

Answer 10

essential for continuation of species

transmit heredity information to offspring

Question 11

DNA

Answer 11

deoxyribonucleic acid

Question 12

gene

Answer 12

part of DNA containing instructions for a specific trait

Question 13

sexual reproduction

Answer 13

gene from two organisms recombine to form one organism

Question 14

asexual reproduction

Answer 14

genes from one organism replicate to form genes for one organism

Question 15

growth

Answer 15

increase in size

Question 16

developement

Answer 16

differentiation

Question 17

metabolism

Answer 17

chemical process necessary for life

Question 18

catabolism

Answer 18

break down

Question 19

anabolism

Answer 19

build up

Question 20

stimulus

Answer 20

change in internal or external envirnment

Question 21

homeostasis

Answer 21

maintain stable internal environment when external conditions change

Question 22

evolve

Answer 22

as a population develop adaptations over time