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Describe How Speciation Occurs Through Sympatric/Allopatric Speciation and What Are the Differences Between the Methods?

The main difference to consider would be that sympatric speciation occurs in the same habitat and population while allopatric speciation requires a geographical barrier between subsets of the population. In ...
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Answered by Rana E. • Biology tutor
4870 Views

Solve 3x^2+7x-13=7 to find x.

Firstly, you need to get the equation to equal zero, so that you can use the quadratic formula to solve. Therefore you subtract 7 from both sides, meaning the equation becomes: 3x^2+7x-20=0. Recall the quadr...
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Answered by Ellie M. • Maths tutor
4324 Views

What is a tone row?

A tone row is a series of notes in a fixed order, like a melody or riff but with no rhythmic values assigned to the pitches. Most commonly it contains all 12 tones of the chromatic scale just once, such as i...
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Answered by Leo T. • Music tutor
5955 Views

How do you know whether to use « er » or « é/ée/és/ées » at the end of a verb ?

This is a common mistake even for native French speakers ! The difference is that « er » is the infinitive form of some verbs whereas verbs ending with -é (for masculine, or -ée for feminine, -és for masculi...
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Answered by Julien M. • French tutor
15675 Views

What types of words are these: ponies, sheep, mountains, bushes

A) abstract nounsB) proper nounsC) common nounsD) collective nouns E) pronouns Answer- C
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Answered by Rochelle S. • English tutor
9740 Views