Exam 1

Question 1

characteristics that all living things have in common

Answer 1

organized 
acquires material and energy 
respond to stimuli 
grow and develop
capacity to adapt
reproduce
homeostatis (equilibrium)

Question 2

systematics definition

Answer 2

discipline of identifying & classifying organisms

Question 3

largest classification category

Answer 3

domain

Question 4

three types of domain

Answer 4

bacteria, archaea, eukaryotes

Question 5

which domains are unicellular prokaryotes

Answer 5

bacteria & archaea

Question 6

four kingdoms

Answer 6

animalia
protista
plantae
fungi

Question 7

categories of classification

Answer 7

kingdom
phylum
class
order
family 
genus 
species

Question 8

what does the biosphere consist of

Answer 8

wind, air, water

Question 9

steps of the scientific method

Answer 9

observe, hypothesize, experiment, scientific theory, conclusion

Question 10

matter definition

Answer 10

anything that takes up space and has mass

Question 11

what elements make up 95% organisms

Answer 11

Carbon 
Hydrogen
Nitrogen
Oxygen (65%)
Phosphorus 
Sulfur

Question 12

smallest part of an element that displays properties of the element

Answer 12

atom

Question 13

atoms of the same element w/ differing numbers of neutrons

Answer 13

isotopes

Question 14

two or more atoms bonded together

Answer 14

molecules

Question 15

two or more different atoms bond together

Answer 15

compounds

Question 16

hydrophilic vs. hydrophobic

Answer 16

• philic: attract water

- phobic: doesn’t attract

Question 17

the stronger the force between molecules in a liquid, the higher the _______

Answer 17

surface tension

Question 18

structural and functional unit of an organism

Answer 18

cell

Question 19

smallest structure capable of performing all the functions necessary for life

Answer 19

cell

Question 20

cell theory

Answer 20

1) all organisms are composed of one or more cells
2) all cells come from other cells
3) basic unit of structure and function in organisms