Fieldwork techniques Flashcards
(8 cards)
What are fieldwork investigations designed to do?
Fieldwork investigations are designed to find out more about where organisms live and why they live where they do.
What are pooters, nets and traps used for?
Pooters, nets and traps are used to collect animals in order to estimate their distribution.
What are quadrats used for?
Quadrats are used to count the number of animals or plants in a known area.
What are probes used for?
Probes are used to measure temperature, pH and light intensity.
Why do we study small parts called samples in ecosystems and their populations?
We study ecosystems and their population in small parts called samples because they are usually too large for us to study everything about them.
How can errors in sampling techniques be reduced?
Errors in sampling techniques can be reduced by taking a number of random samples and standardising the samples taken.
What is an ecologist?
A scientist who studies the environment.
What is biodiversity?
The number of different species in an area.
