AQA GCSE Biology Using Transects Flashcards
(7 cards)
1
Q
What is the purpose of this practical?
A
To study the distribution of organisms along a line
2
Q
What is the independent variable?
A
Distance between intervals
3
Q
What is the dependent variable?
A
Distribution of organisms along a line
4
Q
State two control variables
A
. Transect length and placement
. Time of day
5
Q
State two hazards and precautions
A
. Exposure to poisonous plants or insects- Wear protective clothing
. You could trip or fall- Stay alert when walking around certain objects
6
Q
What is a transect?
A
A line used to help find out how organisms are distributed across an area
7
Q
State two ways you can improve this investigation
A
. Increase the number of transects
. Repeat experiment
