Asked by Shana Whitby on May 31, 2024
Verified
Modern-day mammals are descended most recently from what group?
A) synapsids
B) reptiles
C) fish
D) amphibians
Synapsids
A group of animals that includes mammals and their extinct relatives, characterized by a single temporal fenestra (an opening in the skull behind each eye).
Reptiles
Cold-blooded vertebrates characterized by scales or hard plates, such as snakes, turtles, and lizards, that reproduce mostly through eggs.
Modern-Day Mammals
Contemporary species of the mammalian class, characterized by features such as hair, three middle ear bones, and mammary glands for feeding young.
- Distinguish between key biological classifications through the analysis of their attributes and fossil documentation.
Verified Answer
SN
Solange NzamureraJun 04, 2024
Final Answer :
A
Explanation :
Modern-day mammals are most directly descended from synapsids, a group of animals that includes the ancestors of mammals. This group is distinct from reptiles, fish, and amphibians, although all these groups share a more distant common ancestry.
Learning Objectives
- Distinguish between key biological classifications through the analysis of their attributes and fossil documentation.