The First Vertebrates to Colonize Land Were ____________

question 64

Multiple Choice

The first vertebrates to colonize land were ____________.

• A) birds
• B) mammals
• C) amphibians
• D) reptiles

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Definitions:

Sexual Enjoyment

The experience of pleasure, satisfaction, or fulfillment derived from sexual activities.

Cervical Cancer

A type of cancer that occurs in the cells of the cervix, often associated with infection by Human Papillomavirus (HPV).

Common Form

A widely used or recognized format, template, or mode of something, implying standardization.

Prostate-Specific Antigen (PSA)

A protein produced by cells of the prostate gland, levels of which are often measured to screen for or monitor prostate cancer.