Question

question 39
use the figure above to answer the following question(s).
according to the figure, which of the following is true?
snakes are more closely related to crocodiles than they are to turtles
lampreys have lungs.
amphibians have a skull with two openings.
reptiles (turtles, snakes, lizards, and crocodiles) are more closely related to each other than they are to any other animals.
sharks possess a swim bladder.

Explanation:

1. In a phylogenetic tree, the closer two groups are on the tree, the more closely related they are. Snakes and crocodiles share a more recent common - ancestor compared to snakes and turtles.
2. Lampreys are jawless fish and do not have lungs.
3. Amphibians do not have a skull with two openings like reptiles.
4. Turtles, snakes, lizards, and crocodiles are all reptiles, but snakes and crocodiles are not more closely related to each other compared to other reptile - to - reptile relationships in a simple sense as they are all part of the reptile clade with different branching patterns.
5. Sharks do not have a swim bladder; they have other adaptations for buoyancy.

Answer:

Snakes are more closely related to crocodiles than they are to turtles.