ABIOTIC AND BIOTIC FACTORS

Question 1

it have series of abiotic
factors that influence
what organisms can
survive there.

Answer 1

Aquatic ecosystems

Question 2

amount of dissolved salt in the
water.

Answer 2

Salinity

Question 3

Forms when rainwater
dissolves rocks, releasing minerals into the water

Answer 3

Salinity

Question 4

measures the kinetic energy of
the water molecules.

Answer 4

water temperature

Question 5

Heavily influenced by latitude.

Answer 5

water temperature

Question 6

decreases with water depth

Answer 6

availability of sunlight

Question 7

dissolved in areas of turbulent water (waves and rapids)

Answer 7

oxygen gas

Question 8

oxygen solubility is greatest in _________

Answer 8

cold waters

Question 9

oxygen solubility is lowest t in _________

Answer 9

warm waters

Question 10

example of plant nutrients

Answer 10

nitrates and phosphates

Question 11

cloudiness of the water

Answer 11

turbidity

Question 12

such as nitrates and phosphates, which runoff from land.

Answer 12

plant nutrients

Question 13

example of phytoplankton

Answer 13

algae

Question 14

example of zooplankton

Answer 14

jellyfish

Question 15

caused by soil eroded from land

Answer 15

turbidity

Question 16

free-floating or weakly swimming.

Answer 16

plankton

Question 17

plant-like

Answer 17

phytoplankton

Question 18

animal-like, including organisms like single-celled protozoa

Answer 18

zooplankton

Question 19

strong swimmers and consumers

Answer 19

nektons

Question 20

bottom dwellers that either anchor
themselves to bottom structures or walk along the sea floor.

Answer 20

benthos

Question 21

example of bottom dwellers

Answer 21

sea stars, lobsters, mussles

Question 22

break down dead organisms and wastes into nutrients that can be re used.

Answer 22

Decomposers

Question 23

example of decomposer

Answer 23

bacteria

Question 24

examples of nekton

Answer 24

fish, whales, sea turtles