Answer:How long each heart beat are apart
Explanation:
the vein isnt conected to ur heart :P
Segmented digestive system, appendages are animal characteristics.
Animals are a major group of organisms, classified as the kingdom Animalia or metozoa. Animals have several characteristics that set them apart from other living things. They are all eukaryotic and usually multicellular, which separates them from bacteria and most protists. Different animals differ in their own characteristics such as appendages, segmentation among other animal characteristics.
I think it’s A it’s probably wrong or not
Answer:
The correct answer is C. aquaporins
Explanation:
The aquaporins can be described as integral proteins which are involved in the transportation of water. They are termed as aquaporin because each molecule of aquaporin has a pore in its centre. The adaptation of the blood cells of African lungfish depicts that the number of aquaporins decrease or increase as per the climate conditions. Hence, making the African lungfish to survive in harsh conditions.
