25. In the figure to the right, ich skull is a diapsid skullr? 26. What term ref

Question

25. In the figure to the right, ich skull is a diapsid skullr? 26. What term refers to a body temperature dictated by the environmental temperature? A. Endotherm B. Ectotherm C. Poikilotherm D py 27. Give the characteristics that distinguish reptiles from amphibians. (2 pt) 28. Which taxon is the sister taxon to the Crocodilia? 2 p) 29. Match the extraembryonic membrane to its function Amnion Chorion Yolk sac Allantois A. Nourishment B. Gas exchange C. Protection D. Collection of waste (1 p) 30. True or False 31. True or False 1. True or False 32. True or False Some snakes exhibit parental care. Snake venom is evolved for digestion and immobilization of The bones of birds contain air spaces in them to make them lighter The proventriculus in birds grinds food into smaller pieces Altricial birds are bom blind, naked, and helpless. prey 33, True or False (2 po) 34. Give two advantages of gregariousness in birds? a p) 35. In the box to the right, sketch a fight feather and label the shaft and quill. (2p) 36. Which type of feather is used for insulation? A. contour B. Filoplume C. Down p 37. Air doesn't reach the lungs of a bird until the A. First inhalation C. Second inhalation B. First exhalation D. Second exhalation

Explanation / Answer

Q25 is not very clear ,please post it clearly .

Q26 ectotherm are the animals who cannot regulate the body temperature and are dependent on environmental heat .they are also known as cold blooded animals .for example reptiles,amphibians .

Q27.reptiles are the animal which have scales or hard plate on thier surface ,but amphibians don't have such thing .

Reptiles have claw,while amphibians don't have

The eggs of reptiles have very thick outer covering thus protecting the devoleping embroyo ,in contrast the amphibians lack these outer hard cover and Therefore has to lay thier egg in damp areas.

Q28 sister taxon means the taxon that is most closely related to the phylum,phylogenetically mostly related to turtules

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