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Inessa [10]
4 years ago
9

PLEASE HELP ME I DON'T UNDERSTAND WHAT ITS ASKING! I will give a brainlist for who answers and explains it.

Biology
2 answers:
horrorfan [7]4 years ago
8 0
1. All vertebrates have a vertebrae which is a given. They have a skull and backbone.
2. The adaptations of a frog would include everything that’s happened before it on the cladogram. So for the frog/toads, they have a vertebrae, a jaw and paired appendages, lungs and four limbs
3. Your chordate is closely related to the salamander
4. Endothermy appears at two points because both birds and mammals are endotherms. This means that they generate most of their heat through metabolic reactions
5. Reptiles, birds, and mammals all have amniotic eggs. Some mammals have an evolved egg though because it develops in the womb of the mother and lacks a shell
6. In a dry/ on land habitat
alexandr402 [8]4 years ago
8 0

IDK my can't think when this COVID-19 going around

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