Answer:
A primary consumer
Explanation:
A food web comprises of different food chains being merged. It is a representation of the feeding relationships which living beings have with others. It represents a community where food energy is transferred from one source to another. The source of food energy in plants. They are the producers. Te food energy gets transferred from the producers to the herbivores to carnivores.
Answer:It describe Statistics
Explanation:
Statistics is the discipline that concerns the collection, organization, analysis, interpretation and presentation of data. In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model to be studied.
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Answer: 4
(IV)
Explanation:
From the question, the researcher is interested in determining whether smiling and warmth impact the number of friends one has.
The variables are; Amount of smiling (a little, a lot) and self-rated warmth (cold, warm).
Manipulating the variables by the researcher or experimenter is called the free variables(IV). It is free to be varied. What is to be measured is called the dependent variable(∆V); it depends in the manipulation of free variables