PPQs
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What is this the definition of? All the populations of different species occupying a particular place at a particular time. (1)
Community.
What is this the definition of? A group of individuals of the same species occupying a particular place at a particular time. (1)
Population.
What is this the definition of? A community and its environment, considered together as a functional system. (1)
Ecosystem.
What is this the definition of? The place where individuals of a species live. (1)
Habitat.
What component of biodiversity refers to the number of different species and the number of individuals of each species within any one community. (1)
Species diversity.
What component of biodiversity refers to the variety of genes possessed by the individuals that make up a population of a species. (1)
Genetic diversity.
What component of biodiversity refers to the range of different habitats, from a small local habitat to the whole of the Earth. (1)
Ecosystem diversity.
Complete the sentence: One measure of species diversity is ______ ______. This is the number of different species in a particular area at a given time. (1)
Species richness.
How is the index of species diversity best described in agricultural ecosystems? (1)
Low.
Which of the following reduce species diversity? (3) • removal of hedgerows. • growing mono-cultures. • draining marsh and wetlands. • allowing regeneration of woodlands. • use of crop rotation. • use of pesticides.
• removal of hedgerows. • growing monocultures. • draining marsh and wetlands • use of pesticides.