1.

(1 pt) movement of molecules from an area of higher concentration to one of lower concentration is called

a.
osmosis

b.
mitosis

c.
diffusion

d.
active transport
2.

(1 pt) movement of molecules from an area of lower concentration to one of higher concentration with energy is called

a.
osmosis

b.
mitosis

c.
diffusion

d.
active transport
3.

(1 pt) movement of water across a membrane is called

a.
osmosis

b.
mitosis

c.
diffusion

d.
active transport
4.

(1 pt) plant cells change the sun’s energy to chemical energy during

a.
meiosis

b.
mitosis

c.
photosynthesis

d.
active transport
5.

(1 pt) one way to speed up a chemical reaction is to add a which is unaffected by the reaction.

a.
catalyst

b.
surface area

c.
concentration

d.
heat
6.

(1 pt) increasing the of a reactant exposes more of it to the reaction taking place.

a.
catalyst

b.
surface area

c.
concentration

d.
heat
7.

(1 pt) what is the circulatory system’s function?

a.
it removes cellular waste from the blood and converts it to urine.

b.
it exchanges carbon dioxide and oxygen in the lungs.

c.
it transports oxygen and nutrients to cells while removing carbon dioxide and other wastes.

d.
it breaks down food into usable nutrients.
8.

(4 pt)
which organism belongs to the kingdom archaebacteria?

a.
halophile bacteria

b.
virus

c.
sea star

d.
worm
9.

(4 pt)
which organism belongs to the kingdom eubacteria?

a.
thermophile bacteria

b.
paramecium

c.
cyanobacteria

d.
algae
10.

(4 pt)
which organisms belong to the kingdom protista?

choose all answers that are correct.

a.
amoeba

b.
sea anemone

c.
beetle

d.
seaweed
11.

(4 pt)
which organisms belong to the kingdom fungi?

choose all answers that are correct.

a.
pine tree

b.
mushroom

c.
moss

d.
mold
12.

(4 pt)
which organisms belong to the kingdom planta?

choose all answers that are correct.

a.
moss

b.
lichens

c.
fern

d.
virus
13.

(4 pt) kingdom animalia

a.
frog

b.
mushroom

c.
worm

d.
thermophile bacteria
14.

(1 pt) chemicals packed together tightly react more slowly.

a.
true

b.
false
15.

(1 pt) chemical reactions usually take place more quickly at high temperatures.

a.
true

b.
false