1.1 Biology Is The Study Of Life And Living Organisms

Question 1

primordial soup

Answer 1

molecule soup that the first life began from

Question 2

characteristics of living organisms

Answer 2

respiration
irritability & movement
nourish selves
grow & develop
excrete 
reproduce

RINGER

complex organization
variation

Question 3

Ringer’s solution

Answer 3

ion & molecule solution that keeps cells alive

used by physiologists to keep living tissues in

Question 4

variation

Answer 4

offspring are different from one another & parent

important for adaptation and evolution

Question 5

respiration

Answer 5

process - cells release energy from organic molecules

oxygen respiration releases the most energy

gaseous exchange systems supply cells with oxygen

Question 6

irritability/sensitivity

Answer 6

ability to detect environmental changes inside/outside organism

often include movement

Question 7

nutrition

Answer 7

supplies organism with food needed for respiration, growth, repair, reproduction

plants - photosynthesis
animals - food

Question 8

growth & development

Answer 8

processes - organisms change size & form

Question 9

excretion

Answer 9

remove waste products of body processes

Question 10

reproduction

Answer 10

generation of offspring

split into two
fertilization

Question 11

how many years passed between earth formation and first organisms?

Answer 11

earth - 5 billion ago
organisms - 2.8 billion ago

-> 2.2 billion