unit 10

Question 1

organism

Answer 1

an individual animal, plant, or single celled life form

Question 2

population

Answer 2

all organism of one species in an area

Question 3

community

Answer 3

all of the living organism (populations) in a area

Question 4

ecosystem

Answer 4

all biotic and abiotic factors in an area

Question 5

biome

Answer 5

major region characterized by specific plants, animals, and climate

Question 6

biosphere

Answer 6

all areas of the earth that can sustain life

Question 7

What kind of organism makes up the base of all 3 pyramids?

Answer 7

producers/autotrophs

Question 8

what biomass?

Answer 8

the total mass of organisms in a given area or volume

Question 9

why is only abt 10% of the energy in one level available to the next level

Answer 9

the rest is lost as heat and work when organisms use energy to live

Question 10

If an ecosystem were to have more primary consumers than producers, what would happen?

Answer 10

The population of producers would decrease and less energy would be transferred to the consumers

Question 11

tree

Answer 11

producer

Question 12

squirrel eating a nut

Answer 12

consumer

Question 13

Bacteria changing dead plant into nutrients

Answer 13

decomposer

Question 14

human eating lettuce

Answer 14

comsumer

Question 15

tomato plant

Answer 15

producer

Question 16

fungus growing in decaying matter

Answer 16

decomposer

Question 17

cricket eating grass

Answer 17

consumer

Question 18

Name four potential limiting factors for a population:

Answer 18

Amount of food/water, space/territory, predators, disease, natural disasters

Question 19

What are the three biogeochemical cycles we learned about?

Answer 19

Water, Carbon, Nitrogen

Question 20

How are humans disrupting the carbon cycle?

Answer 20

By adding more/large amounts of carbon into the atmosphere than what would happen naturally

Question 21

What would happen to the carbon cycle if all plants ceased to exist?

Answer 21

The oxygen-carbon cycle would then be broken/significantly limited

Question 22

Cleaner Fish and Shark: The cleaner fish feeds on parasites in the shark’s mouth and gills.
Interaction

Answer 22

mutulism

Question 23

Tick and Cow: The tick burrows into the cow’s skin to suck blood.

Answer 23

prarasitism

Question 24

Tigers and Golden Jackals: Lone golden jackals often follow tigers to feed on the tiger’s kills once the tiger has finished eating.

Answer 24

commensalism

Question 25

What is a climax community?

Answer 25

stable end community that characterizes a region

Question 26

What are the earliest pioneer species in a terrestrial (land) ecosystem?

Answer 26

lichen

Question 27

What are the earliest pioneer species in an aquatic (water) ecosystem?

Answer 27

algae