Some molecular studies point to amphibians descending from the lung fish, the Diponi.
Under the class Amphibia, amphibians are tetra-pod, cold blooded vertebrates without having scales. Protein is produced by the special skin of Amphibians.
Lung fish belong to the subclass of Diponi, these are living air breathing species.
Answer:
True
Explanation:
Survival of the fittest baby. The better the trait, the more likely a species is to survive.
Answer:
The correct answer to 153 is "When a cricket player is running fast in pursuit of a ball in the field, intuitively, this motion requires the movement of the legs or the lower limbs of the human body. The lower limb contains 30 bones-namely the femur, patella, tibia, fibula, tarsal bones, metatarsal bones, and phalanges". The correct answer to 154 is "gliding joint-between zygapoheses of successive vertebrae"
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