Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
In ecology, what does abundance refer to?
How many individuals there are
Which species the individuals are
Where the individuals are
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In ecology, what does distribution refer to?
How many individuals there are
Where the individuals are
Which species the individuals are
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When ecologists want to learn about the organisms in an environment they often use sampling.
Explain what sampling means and why it is often used.
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What is the name of small metal frames, often 1m x 1m, that ecologists use to sample the organisms in a habitat?
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A rectangular field measures 25m long and 12m wide. What is the area of the field?
m2
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Ecologists sample a field using 10 quadrats, and and find the following number of dandelions in each:
1, 4, 2, 2, 3, 4, 2, 5, 0, 1
What is the mean number of dandelions per quadrat?
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Estimate the dandelion population size for a field with an area 300 m² and a mean of 2.4 dandelion plants per 1 m² quadrat.
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What is a transect?
An area of a habitat where a species is abundant
A line through a habitat along which organisms are sampled
A square within a quadrat
A square frame used to count organisms
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