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A fault opens in a forest and separates a population of lizards in half. In 100 years the fault closes and the lizards can interact again. Explain why the lizards are no longer able to breed.

An answer deserving full marks would be a clearly written, long-form paragraph containing 4-5 of these points:
The lizard populations cannot interact or share genes after the faultTh...

Answered by Zach L. • Biology tutor

2348 Views

What is democracy?

Democracy - Literally meaning in Ancient Greek 'Demos' - Peoples
The simple definition: 'Peoples Power'
My Explanation: In theory Democracy is desirable , the idea that no voice goes unheard a...

Answered by Katy-Jayne C. • Politics tutor

2508 Views

Differentiate with respect to x, y = (x^3)*ln(2x)

By product rule,
dy/dx = x³(2/2x) + 3x²ln(2x)
= x²(1 + 3ln(2x))

Answered by Thomas M. • Maths tutor

6984 Views

Examine the ways in which Plath presents nature in her poetry.

In Plath's poetry, nature is presented in increasingly threatening ways. In 'Wuthering Heights', nature seems to 'funnel her heat away' and the grasses invite her to 'whiten' her bones 'among them', refle...

Answered by Julianna B. • English Literature tutor

5665 Views

a) Point A(6,7,2) lies on l1. Point B(9,16,5) also lies on l1. Find the distance between these two points. b) l2 lies in the same z plane as l1 and crosses l1 at A and is perpendicular to l1. Express l2 in vector form.

a) Distance between two points ((x2- x1)^2 + (y2-y1)^2)^1/2Substitute in values to find distance.b) Write out l1 in vector form using info from points A and B.Use knowledge of scalar product to construct ...

Answered by Adam N. • Maths tutor

3230 Views