ecology

Question 1

what is ecology

Answer 1

study of relationships between living organisms, animals and non-living environments

Question 2

what is the biosphere

Answer 2

part of earth that supports life

Question 3

what is the hydrosphere

Answer 3

water

Question 4

what is the atmosphere

Answer 4

air

Question 5

what is the lithosphere

Answer 5

earth

Question 6

life needs?

Answer 6

water, energy source, temperature

Question 7

ecosystem is?

Answer 7

basic functional unit of the environment

Question 8

ecosystem contains?

Answer 8

producers, consumers, decomposers + abiotic aspects

Question 9

name abiotic physical factors

Answer 9

light, temp, water, gases

Question 10

name abiotic physiographic factors

Answer 10

altitude, slope, aspecy

Question 11

name abiotic edaphic factors

Answer 11

pH, humus, texture, water, air (in soil)

Question 12

atmospheric gases?

Answer 12

CO2, O2, N, water vapor

Question 13

deeper/higher = less _____?

Answer 13

O2

Question 14

physical abiotic factor: light: what is it for?

Answer 14

photosynthesis

Question 15

physical abiotic factor: temp: what are the 2 types?

Answer 15

cold/warm-blooded

Question 16

cold blooded characteristics

Answer 16

ectothermic
cold: body temp decreases, metabolism slows, lethargic, hibernation
hot: body temp increases, metabolism speeds up, active

Question 17

warm-blooded characteristics

Answer 17

endothermic
constant body temp
hibernate/migrate

Question 18

plants: deciduous meaning

Answer 18

lose leaves before winter

Question 19

plants: annuals meaning

Answer 19

live for one season, leave seeds behind

Question 20

plants: perennials meaning

Answer 20

live for many years

Question 21

abiotic physical factors: water: what is a hydrophyte

Answer 21

live in or near water

Question 22

abiotic physical factors: water: what is a mesophyte

Answer 22

normal environment (balanced)

Question 23

abiotic physical factors: water: what is a xerophyte

Answer 23

water scarce environment, desert

Question 24

abiotic physiographic factors: altitude meaning

Answer 24

height above sea level

Question 25

abiotic physiographic factors: aspect meaning

Answer 25

direction of slope

Question 26

abiotic physiographic factors: slope meaning

Answer 26

gradient or steepness of the land surface

Question 27

abiotic edaphic factors: texture impacts

Answer 27

clay=watery and dense loam=mixture sand=airy and dry

Question 28

abiotic edaphic factors: soil pH impacts

Answer 28

-bacteria gives off CO2, forming carbonic acid -decay forms nitric acid - acidic

Question 30

abiotic edaphic factors: humus impacts

Answer 30

-decaying remains -nutrients released -improves aeration and water capacity

Question 31

abiotic edaphic factors: soil air impact

Answer 31

-spaces between particles -move O2 (lots of organisms + roots)

Question 32

abiotic edaphic factors: soil temp impact

Answer 32

-mostly constant

Question 33

abiotic edaphic factors: soil water impact

Answer 33

-hygro - water around each soil particle -capillary - held in small spaces -gravitational - drains down to water table