characteristics of life

Question 1

what are unicellular organisms?

Answer 1

• entire organism is made up of one single cell
• bacteria and protists

Question 2

what are multicellular organisms?

Answer 2

• the organism is made up of many cells
• cells have specialized functions within the organism

Question 3

asexual reproduction is…

Answer 3

• a single parent organism reproducing by itself

Question 4

sexual reproduction is…

Answer 4

• two different parent organisms contribute genetic information
• involves the combination of male and female sex cells

Question 5

living organisms need energy to…

Answer 5

• grow
• develop
• repair damage
• reproduce

Question 6

what is anabolism?

Answer 6

the process of building up complex substances from simpler substances.
• building up cells and cellular components
• photosynthesis

Question 7

what is catabolism?

Answer 7

the process of breaking down complex substances into simpler substances to release energy.
• digestion
• cellular Respiration

Question 8

what is metabolism?

Answer 8

the total of all chemical reactions in an organism.
• anabolism + catabolism = metabolism

Question 9

what is homeostasis?

Answer 9

a stable state of conditions in the body that are necessary for life.
• body temperature
• blood volume
• pH balance
• ater balance