TREE IDENTIFICATION
IDENTIFICATION KEYS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
If you were creating a dichotomous key for ocean animals, which question would separate dolphins from sharks?
|
|
Is the animal a vertebrate?
|
|
|
Is the animal a cranivore?
|
|
|
Does the animal have fins?
|
|
|
Does the animal breathe through gills?
|
Explanation:
Detailed explanation-1: -Whales and dolphins are mammals and breathe air into their lungs, just like we do. They cannot breathe underwater like fish can as they do not have gills. They breathe through nostrils, called a blowhole, located right on top of their heads.
Detailed explanation-2: -Animals that live inside water but do not possess gills include whales and dolphins. These animals breathe with the help of blowholes that are located in the upper regions of their heads.
Detailed explanation-3: -The two animals which breathe through gills are Octopus, Shark, and Fish.
There is 1 question to complete.