Changes in the biotic components of our eco – column

Changes in the biotic components of our eco – column

Set 1 eco - column test (Monday 4 march):

Number of plants:

7 radishes

3 three leaf clovers

Colour:

Clover leaf colour is rich dark green

Radish leaf colour is light green

Radish stem is white but firm

Animals:

3 fruit flies are in decomposition zone that are alive

2 earthworms that were put in the Terra Zone are now not visible (possibly dead)

 

Leaves:

2 on each radish plant

Three on each clover stem

Height of plant (cm):

10; 9.5; 6.5; 8.5; 7; 10; 8

Average = 8.5

Set 2 eco - column (Thursday 7 March - last):

Number of plants:

6 radishes

No three leaf clovers (died)

Colour:

Clover as no leaves (died)

Radish leaf colour is faded light green/yellow 

The stem of the radishes are white and weak

Animals:

5 fruit flies in decomposition zone that are alive

2 earthworms that were put in are unvisiable

Leaves:

2 on each radish

The clover has died and its leaves have been eaten

Height of plants (cm):

11.5; 10; 7; 7; 11; 9

Average = 9.25cm

Test 1 (4 March) and test 2 (7 march) for Terra Zone: 

Test 1 (4 March) and test 2 (7 march) for Decomposition Zone:  

Test 1 (4 March) and test 2 (7 march) for Aqua Zone:  

Pictures of identified specimens:

Fruit flies:

http://www.smallfootprintfamily.com/how-to-get-rid-of-fruit-flies-naturally

Earthworms:

http://www.petcaregt.com/petcare/earthworms.html

 Who did what?

Theuns measured the height of plants, number of leaves, number of plants, colour of leaves and labelled all the photos above and included the photos of the identified specimens as well as the urls of those photos.

Nikolai checked to see whether the plants are alive or dead as well as number, type, where they are found.