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Amniote Origins and Nonavian Repitiles

Across
Type of organ on vipers that are heat sensitive.
Means covering
A type of suborder.
Giving birth to well-formed young that are nourished by yolk.
Means burrowing.
Placenta permits exchange of materials between the embryonic and maternal bloodstreams.
Group that does no include all descendants of their most recent ancestor.
Drawing air into lungs by expanding thoracic cavity.
Skull has two temporal openings
Type of arboreal lizards.
Skulls have no openings in the temporal area
Lizard with an elongated body.
Down
A living representative of order Sphenodonta.
Venom that acts mainly on the nervous system.
Include dinosaurs, pterosaurs, and living crocodilians and birds.
Venom that destroys red blood cells.
Regulate the temperature of developing embryos using this.
Also known as ovoviviparity.
Lay shelled, elliptical eggs beneath rotten logs, rocks, or holes.
Vertebrates lacking an amnion.
Also called a breastplate.
Teeth that are set in sockets.
Characterized by a single pair of temporal openings located low on the cheeks.
How many type of movement can a snake make?