Mathematics, 18.03.2021 01:10 EllaSue

PLEASE HELP I'LL GIVE BRAINLEST Which of these are characteristics of reptiles? Check all that apply. They undergo internal fertilization. Their urine is concentrated. They use their skin for gas exchange. They have two-chambered hearts. They are covered in scales.

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PLEASE HELP I'LL GIVE BRAINLEST Which of these are characteristics of reptiles? Check all that appl...