1
Q
How can random coordinates be generated?
A
Use a random number generator to obtain 2 numbers.
2
Q
What is a quadrat and how is it used?
A
A quadrat is lightweight square frame that can be used to sample an area.
3
Q
What is the formula for estimating population size?
A
4
Q
What are the controlled variables for this practical?
A
- Size of quadrat
- Number of quadrats at each site
- Coordinate system
- Method of counting
5
Q
What are some potential hazards of this practical?
A
Potential allergies, cuts and stings.
IGCSE Biology
flashcards
Decks in class (32)
# Cards
-
Characteristics of Living Organisms1
-
Variety of Living Organisms11
-
Cells and Biological Molecules36
-
Nutrition53
-
Respiration8
-
Gas Exchange18
-
Transport39
-
Excretion19
-
Co-ordination and Response54
-
Reproduction27
-
Inheritance45
-
The Organism in the Enviroment9
-
Feeding Relationships9
-
Cycles within Ecosystems3
-
Humans Influences on the Environment13
-
Food Production17
-
Selective Breeding and Genetic Modification5
-
Cloning4
-
Practical: Food Tests5
-
Practical: Enzymes and Temperature7
-
Practical: Enzymes and pH6
-
Practical: Diffusion and Osmosis11
-
Practical: Photosynthesis8
-
Practical: Energy Content of Food6
-
Practical: Respiring Seeds6
-
Practical: Gas Exchange in Plants6
-
Practical: Breathing In Humans3
-
Practical: Transpiration9
-
Practical: Germination7
-
Practical: Estimating Population Size5
-
Distribution and Biodiversity8
-
Anaerobic Respiration6
