Life Functions

Question 1

a stable internal environment

Answer 1

homeostasis

Question 2

activities by which an organism obtains materials and processes them for its own use

Answer 2

nutrition

Question 3

breakdown of large food molecules into smaller molecules that can be absorbed and used by the organism

Answer 3

digestion

Question 4

removal of undigested solid food materials from an organism

Answer 4

egestion

Question 5

process by which end products of digestion and other dissolved substances are taken into cells.

Answer 5

absorption

Question 6

to produce offspring; not necessary for life of an individual, but needed for continuation of the species

Answer 6

reproduction

Question 7

process that involves the removal of waste substances produced in cells; urine, sweat, CO2 are examples of the substances in animals.

Answer 7

excretion

Question 8

all chemical reactions where large molecules are made from smaller ones.

Answer 8

synthesis

Question 9

control and coordination of all activities in an organism in order to maintain homeostasis

Answer 9

regulation

Question 10

process of just taking in food

Answer 10

ingestion

Question 11

absorption and circulation to move materials throughout an organism

Answer 11

transport

Question 12

an increase in size and/or number of cells of an organism

Answer 12

growth

Question 13

the distribution of materials within an organism

Answer 13

circulation

Question 14

process by which energy is obtained from the breakdown of food and stored as ATP

Answer 14

cellular respiration