Қаріп өлшемі
Жұмыс парақтарыBiology F5 Chapter 9: 9.2 Population Ecology
Total сұрақ: 14
Worksheet time: 12mins
Plant distributions are affected by abiotic factors such as
Light
Temperature
Feed
Salinity
Herbivory
Biotic factors affecting distribution of organisms such as
Predation
pH
Herbivory
Salinity
Competition
--------------- sampling technique is used to estimate a plant population.
(a)
A ------------ is a square frame of fixed area
(a)
Species ----------------- is the chance of a particular species being found within any one quadrat.
(a)
Species -------------- is the number of individuals of each species per unit area.
(a)
Estimate the population size of frog.
11 frogs
60 frogs
80 frogs
240 frogs
The frequency of grass is
13.5%
40.0%
60.0%
86.5%
Determine the population size of grasshopper in the garden.
150
250
200
300
Which of the following is not the parameter involved in quadrat sampling?
Size
Mass
Density
Frequency
What is the function of quadrat used in quadrat sampling method?
To catch the organisms
To identify organisms
To saperate organisms
To count the number of organisms
30%
40%
50%
60%
20%
40%
60%
80%
--------------- is a close interaction between two or more species which live together.
(a)
