What Evolutionary Innovation Was of Key Significance in Helping Tetrapods

question 98

Multiple Choice

What evolutionary innovation was of key significance in helping tetrapods reduce their dependence on aquatic environments?

• A)larger limbs
• B)amniotic egg
• C)more efficient lungs
• D)faster speed
• E)teeth to defend themselves

---

Definitions:

Sexual Transmission

The process through which infections are spread from one individual to another through sexual contact.

Unprotected Anal Intercourse

Anal sexual activity without the use of a barrier method, such as a condom, which can increase the risk of transmitting sexually transmitted infections (STIs) and HIV.

Multiple Sex Partners

The practice of engaging in sexual activities with more than one partner, often within a specific period of time.

Homosexual Anal Sex

Sexual activity involving the insertion of the penis into the anus between two men.