Tutor profile: Emma B.
Subject: Natural Sciences
What are the main purposes of a plant's roots?
Plants roots anchor the plant in the soil and absorb nutrients, minerals, and water for the plant.
What does the subscript in a chemical formula indicate?
The subscript follows an element and indicates the number of atoms of that element that are found within the molecule that the formula describes.
What is the definition of genetic fitness in a population?
Fitness is how many offspring individuals with a specific genotype of phenotype leave in the next generation. For example, if more offspring of birds with blue feathers survive than those of birds with yellow feathers, the birds with blue feathers have a higher fitness.
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