APES EcoColumn Quiz

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created 2 years ago by kaiahoward
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1

What plants use nitrogen?

all

2

What plants add nitrogen

beans and pea plant

3

How do plants add nitrogen

Nitrogen fixation w bacteria on roots

4

What do detritivores do

Break down decomposing matter into NPK, return nutrients to soil, and aerate soil

5

Purposes for leaf litter

Food and hiding places for detritivores, soil formation prevents weeds helps prevent water loss in soil by covering in capturing condensing any evaporated water and add nutrients and they decompose

6

Roles elodea plays

Add DOto water through photosynthesis provides food for fish takes an ammonia and nitrates from fish waste to keep a low toxic levels and was wet with water and ionizing bacteria for nitrification

7

What bacteria came with the ElodeA

Notifying bacteria

8

What happens to the ammonia in the aquatic chamber

The nitrifying bacteria from the elodea turn the ammonia into nitrites then nitrates

9

Why did the nitrates increase after the fish was living in the water for a couple of weeks

Nitrite decrease as bacteria get better at turning them into nitrates and fish waste

10

Why do we water or terrestrial chamber with aquatic chamber water

It contains nitrates phosphate an ammonia from fish waste that the TC needs

11

Why is dissolved oxygen important for the aquatic chamber

how the fish breath

12

It is an acceptable level of DO

Above three MG/l

13

2 ways DO is added to the aquatic chamber

Elodea and air vents

14

Why did DO levels go down in columns with dead fish

Bacteria use DO in water to decompose the fish

15

Why do we bury dead fish in the terrestrial chamber

It adds nitrogen carbon and phosphorus to the soil to help plants grow

16

Why was there a filter chamber

To clean the soil from the TC before going into the AC

17

What role do plants play in the hydraulic cycle

They do transpiration and allow seepage

18

Cycling of carbon between producers and consumers

Producers provide oxygen and glucose through photosynthesis consumers eat the glucose and provide plants with CO2 through cellular respiration also carbon is cycling through decomposition in animal waste absorbed by producers

19

Density dependent limiting factors

Space nutrients in soil water bugs and disease

20

Density independent limiting factors

No water chamber falling over people breaking stems

21

Limiting factors in aquatic chamber

Nutrients for a elodea food for gambusia and waste pollution and DOfor gambusia

22

What organisms engage in GPP

Plants and Elodea

23

How is energy lost after GPP

Body heat consumers eat plants to obtain energy

24

Which organisms receive NPP

Producers plants and elodea

25

How do organisms receive energy

sugar

26

How do you increase acidity

limestone

27

Process of leeching

Water takes nutrients out of soil they leach into the filter chamber what to replace through to try to force a nitrogen fixation or legume roots dead fish and watering with aquatic chamber water

28

Do you decrease acidity

sulfur