Evolutionary Development of Reptiles

What are reptiles considered in terms of their evolutionary development?

• The first aquatic vertebrates

• The first true terrestrial tetrapods

• The first flying animals

• The first mammals

Tags

NGSS.MS-LS4-2

Which of the following is a characteristic that allows reptiles to live on land?

• Ability to fly

• Presence of scales

• Ability to breathe underwater

• Cold-blooded nature

What is an amniotic egg?

• An egg that contains a large yolk

• An egg laid in water

• An egg with a hard shell and membranes that protect the embryo

• An egg that hatches internally

Which group of reptiles has the least number of species as per the notes?

• Amphibaenia (amphisbaenians)

• Squamata (snakes)

• Chelonia (turtles)

• Crocodilia (crocodiles)

What type of skin do nearly all reptiles have?

• Moist skin without scales

• Dry skin covered in scales

• Feathered skin

• Furry skin

How many pairs of short legs do most reptiles have?

• One pair

• Two pairs

• Three pairs

• Four pairs

What type of reproduction do reptiles typically exhibit?

• Viviparous with external fertilization

• Oviparous with internal fertilization

• Oviparous with external fertilization

• Viviparous with internal fertilization

What characteristic is typical of reptile eggs?

• Hard shell without yolk

• Leathery shell and yolk

• Soft shell with minimal yolk

• No shell and no yolk

How many chambers does a reptile's heart typically have?

• Two

• Three or four

• Five

• Six

How do ectothermic animals typically respond to cooler external temperatures?