Answer:
Option A, most closely related to mammals
Explanation:
Insects like arthropods and molluscs have an open circulatory system and thus do have a distinguishable heart. Fish has two chambered heart. Reptiles have three chambered heart. Amphibians too have a three chambered heart.
All mammals and fish have four chambered heart. The right and left sides of the chambers have restricted entry and hence remain intact from each other
Hence, option A is correct
True because the plant is the leaves on top of the carrot and radish and the carrots and radishes are picked from under the ground
The answer to this would be “ T-A-A-C-G-A “
A or C
Just choose any of those!