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.

Question

Revolt · Accepted Answer

They undergo internal fertilization.; Their urine is concentrated.; They are covered in scales.

Unit Test — Unit test

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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