37 34

Question 0

Green plants and algea

Answer 0

Photosynthesis

Question 1

Autrophs

Answer 1

Primary producers
Require energy source and inorganic nutrients to produce food molecules
—food energy

Question 2

Chemoautotrophs

Answer 2

produce sugar

Bacteria

Question 3

Heterothophs

Answer 3

Consumers
Consume organic nutrients
• herbivores carnivores omnivores
Decomposers

Question 4

Energy does not recycle it….

Answer 4

Flows

Question 5

Energy enters ecosystem in forms of….

Answer 5

Sunlight absorbed by producers

Question 6

Chemicals enter when

Answer 6

Producers absorb inorganic nutrients

Question 7

Producers make

Answer 7

Organic nutrients for them self and all other organisms

Question 8

Energy is released at each level to the environment in form of heat only …% is usable at
Trophic levels

Answer 8

10%

Question 9

Energy flow and chemical cycling

Answer 9

Sun to producer to consumer or decomposer to decomposer to inorganic nutrient pool

Energy stops at decomposers

Question 10

Interrelationship between organism in the food chain

Answer 10

Food web

Question 11

First law of thermodynamics

Answer 11

Energy is neither created nor destroyed

Ecosystem depend on outside energy sorce

Question 12

Second law of thermodynamics

Answer 12

With energy transformation energy is given off as heat

Energy at each higher trophic level is lesser 10%

Question 13

Grazing food chain

Answer 13

Begins with produser

Question 14

Detrital food chain

Answer 14

Begins with detritus

Question 15

Trophic level

Answer 15

Is composed of all organisms that feed at a particular link to the food chain

Question 16

Primary produsers

Answer 16

First trophic level

Question 17

Primary consumers

Answer 17

Second tropic level

Question 18

Secondary consumers

Answer 18

3rd tropic level

Question 19

Ecological pyrimids

Answer 19

Amount of available energy in trophic levels

Question 20

Most available energy

Answer 20

Producers

Question 21

Biomass

Answer 21

the number of organisms at each level multiplied by their weight

Question 22

Biogeochemical cycle 2 types

Answer 22

Gaseous cycle

Sedimentary cycle

Question 23

Gaseous cycle

Answer 23

Drawn from and returns to the atmosphere

Question 24

Sedimentary cycle

Answer 24

Element is drawn from soil by plant roots, eaten by consumers, returned to soil by decomposers

Question 25

The water cycle

Answer 25

Evaporation Precipitation Surface water Returns to ocean

Question 26

Hydrologic cycle

Answer 26

Transpiration, evaporation from soil, aquifers, The water cycle

Question 27

Phosphorous cycle

Answer 27

Phosphate enters soil as rocks undergo weathering process | Picked up by producer and cycles through consumers and finally decomposers

Question 28

Human impact. Accelerated transfer rate

Answer 28

Phosphate mining and supply mentation on farm fields, detergents

Question 29

Cultural eutrophication over enrichment

Answer 29

Increase Algal bloom Algae die off decomposers consume high levels of oxygen in the water Results in massive fish pills

Question 30

Nitrogen fixation

Answer 30

Conversion of nitrogen gas N2 to ammonium NH4+ by bacteria

Question 31

Nitrogen gas takes how much of the atmosphere

Answer 31

78% and usable by plants

Question 32

Nitrification

Answer 32

Produse of nitrates plants can also use

Question 33

Nitrogen Gas is converted into nitrates in the atmosphere

Answer 33

By lightning, meteors trails, cosmetic radiation

Question 34

Nitrifying bacteria

Answer 34

Causes t aluminum in soil to convert to nitrates

Question 35

Denitrification

Answer 35

Nitrates back into gas by denitrifying bacteria

Question 36

The carbon cycle

Answer 36

Cell respiration returns to its atmosphere

Question 37

reservoirs of carbon

Answer 37

Dead organisms -fossil fuels | Forests

Question 38

Human Activities

Answer 38

More carbon dioxide is being deposited in atmosphere than is being removed Global warming

Question 39

Phosphorus cycle

Answer 39

Biotic community recycles phosphorus back to its producers

Question 40

An exchange pool

Answer 40

Source available to organisms

Question 41

Biome

Answer 41

Major type of terrestrial ecosystem

Question 42

Distribution of biomes is due to

Answer 42

Climate factors | Distribution of solar radiation, Topography

Question 43

Order of biomes starting in equator

Answer 43

Tropical rain forest, temperate deciduous forest, coniferous forest, tundra

Question 44

Alpine tundra

Answer 44

Mostly shrubs. Near peak of the mountain

Question 45

Montane coniferous forest

Answer 45

Coniferous forest of a mountain

Question 46

Tundra

Answer 46

Very cold and dark most of the year and short growing season's Only 2o cm a a years of precipitation Shortgrass dwarf shrubs Wolves polar Bears lemmings

Question 47

Coniferous forest

Answer 47

Temperate rainforest, mountaintops, taiga

Question 48

Taiga

Answer 48

Coniferous forests Below freezing for half the year Long nights in winter long days in Cone bearing trees pine furs Deer moose beaver wolves bears

Question 49

Temperate rainforest

Answer 49

Old growth forest | California redwoods

Question 50

Temperate deciduous forest

Answer 50

Long growing seasons, well-defined seasons

Question 51

Tropical forest

Answer 51

Always warm abundant rainfall, biome with greatest diversity of species of plants and animals

Question 52

Shrub lands

Answer 52

Many fires Waxy leaves Chaparral-dense shrub lands

Question 53

Grasslands

Answer 53

Rainfall but not enough to support trees | Grasses well adapted to changing environments

Question 54

Savannas

Answer 54

Grasslands with some trees

Question 55

Desert

Answer 55

Low precipitation Succulents-cacti Wild temperatures many are burying animals to avoid the heat

Question 56

Oligotrophic

Answer 56

Nutrient poor | phosphates

Question 57

Lakes

Answer 57

Temperature and concentration of dissolved gases varies with dept Seasonal turnover Redistribute oxygen and nutrients

Question 58

Fall overturn

Answer 58

Coldwater sinks and makes the lake turn

Question 59

Coastal ecosystems

Answer 59

Salt marshes, mudflates, Man Grove Forest | Estuaries

Question 60

Estuaries

Answer 60

Were salt meets brackish water Feeding grounds Nurseries near mouth of river

Question 61

Littoral zone

Answer 61

High and low tidal marks

Question 62

Seashore

Answer 62

Open sand | Claims, crabs, sand shrimp, sand dollars

Question 63

Pelagic division

Answer 63

Water column

Question 64

Benthic division

Answer 64

Sea floor

Question 65

Eutrophic

Answer 65

Nutrient rich | Lots of Algae