Asked by Daniel Sarver on Apr 23, 2024
Verified
Which modern reptiles have a four-chambered heart?
A) snakes
B) turtles
C) lizards
D) crocodilians
E) amphibians
Four-Chambered Heart
A heart structure that consists of four chambers (two atria and two ventricles), found in birds and mammals, enabling efficient separation of oxygenated and deoxygenated blood.
Crocodilians
A group of large aquatic reptiles, including alligators, crocodiles, caimans, and gharials.
Modern Reptiles
Current existing species of the class Reptilia, including snakes, lizards, turtles, crocodiles, and alligators, which are cold-blooded and lay eggs.
- Contrast various vertebrate assemblies by noting their key features.
- Clarify the role of distinct traits in the adaptive success of certain vertebrate groups.
Verified Answer
NP
Nikki Pickle7 days ago
Final Answer :
D
Explanation :
Only crocodilians have a completely separated four-chambered heart, while the other options have varying degrees of separation between the heart chambers or lack a completely separated heart.
Learning Objectives
- Contrast various vertebrate assemblies by noting their key features.
- Clarify the role of distinct traits in the adaptive success of certain vertebrate groups.