Scientists Believe That a Major Factor Promoting the Adaptive Radiation

question 44

Multiple Choice

Scientists believe that a major factor promoting the adaptive radiation of mammals was probably

• A)their development of fur.
• B)internal fertilization.
• C)the mass extinction of most dinosaurs,an event that opened up new ecological opportunities.
• D)the origin and diversification of flowering plants.

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Definitions:

Mailbox Rule

is a legal principle that an offer, acceptance, or any other form of legal communication is considered effective once it is dispatched, not when it is received.

Rebate

A partial refund given to someone who has paid too much for tax, rent, or a utility.

Mailbox Rule

The mailbox rule is a legal principle that an offer is considered accepted once the acceptance is properly placed in the mail, even if it is lost or delayed.

Effective Upon Dispatch

Effective upon dispatch refers to the principle that certain actions, such as the sending of a notification or document, are considered effective from the moment they are sent, not when they are received.