KA2: distribution of organisms Flashcards
LI: -to learn about organisms and the terms associated with their distribution
definition and questions
these cards will be a mixture of answering the definition and answering questions
what are the two terms biodiversity is affected by?
biotic and abiotic factors
biotic factor
is something that is/was once living that can affect an organism/community
abiotic factor
is something that is/was never living that can affect an organism/community
what is light intensity measured with?
a light meter
name a mistake that could be made when using a light meter
shadowing (standing over the light meter)
what is the temperature measured with?
a thermometer
name a mistake that could be made when using a thermometer
not letting the thermometer stabilise before use
what is the PH measured with
a PH meter
name a mistake that could be made when using a PH meter
not wiping the rod between samples as it could read results from a previous take.
what is soil moisture measured with
a moisture meter
name a mistake that could be made when using a moisture meter
not wiping the rod between samples as it could read results from a previous take.
explain the use of a quadrat
to sample plants and slow moving animals
name a mistake that can be made when using a quadrat
not throwing the quadrat randomly as this can cause representative sampling
name one mistake that can be made when using any method of sampling
acceptable answers:
-not taking enough samples
