Which Adaptation Was First Found in Reptiles and Was Necessary

question 135

Multiple Choice

Which adaptation was first found in reptiles and was necessary for their complete shift from water to land?

• A) A hard-shelled (amniote)egg
• B) Parental care
• C) Hair
• D) The ability to breathe and run simultaneously
• E) Cephalization

---

Definitions:

Gratuitous Agent

An agent who acts without being paid for his or her services.

Consideration

The bargained-for exchange; what each party gets in exchange for his or her promise under a contract.

Authority

The power or right to make decisions, give orders, and enforce obedience.

Principal

The main party to a transaction, such as the owner of a business, or the amount of money loaned or invested, excluding interest or profits.