Which of the following increases genetic variation?

Allopatric speciation occurs when

This is a fixed area defended by members of a group against outsiders.

If you have two parents with the genotype Aa, what is the chance that they will have an offspring with the genotype AA?

Where are chromosomes contained?

Discuss in a few sentences why so much of a preschoolers’ speech is unclear and may be confusing to a casual observer. 

A 3-year old follows your directions the bring you the remote control, then says to you, “I bringed the remoke.” This preschooler is exhibiting which of the following?

Which statement is true regarding preschoolers’ questioning strategies?

Verbs have regular and irregular forms, and ‘drank’ is a regular past tense form.

The child’s saying “Moo” when he sees a horse is an example of his use of pragmatic vocabulary.