ECOLOGICAL STUDY Flashcards
(10 cards)
1
Q
How can an ecological study be done
A
By observing,collecting and identifying organisms
2
Q
What are the 2 types of nets
A
Sweep net
Plankton net
3
Q
What two methods are used together
A
Beating tray and pooter
4
Q
What are the sampling methods
A
Belt transect
Line transect
Quadrat
5
Q
What can the results from quadrats to estimate
A
Species density
Species frequency
Species cover
Population size
6
Q
What are the 4 components of soil
A
Mineral fraction
Organic matter
Air
Water
7
Q
Why is soil important to living organisms
A
- Supplies mineral salts and water to plants
2.Helps anchoring plants
3.A habitat for microorganisms
8
Q
Why is earthworms important
A
Help mix and aerate the soil which improves drainage
9
Q
What is used when soil if too acidic
A
Lime
10
Q
What is used when soil if too alkaline
A
Sulphur or organic matter
