WebThe five most well known classes of vertebrates (animals with backbones) are mammals, birds, fish, reptiles, amphibians. They are all part of the phylum chordata -- I remember "chordata" by thinking of spinal chord. … WebJun 1, 2024 · Mermaids are hybrid creatures, meaning they are half-human and half-animal. This means they are definitely not fully fish but, if at all, would be half fish because of their fish-tails. But there are a few doubts about how much of a fish mermaids really are. As I explained in my post about whether mermaids could be real, it is unlikely that a ...
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WebThere are more than 32,000 described species of fishes, more than all the amphibians, reptiles, birds, and mammals combined. Fishes are an important food resource … WebSep 8, 2024 · Fish are not mammals for the following reasons: they are cold-blooded, they can’t breathe air, and they don’t nurse their babies. … lithium monitoring nhs ggc
Maine Deer Spy: White-tailed Deer: Mammals: Species Information ...
WebApr 10, 2024 · Unlike many other species that lay eggs outside their bodies and fertilize them externally with sperm from another fish, ovoviviparous fish (like mantas) produce eggs within their bodies that hatch while still inside the mother. This means that when it comes time for birth, the babies are fully developed and ready to be released into the ocean! WebMarine Mammals Dolphins, whales, sea otters and other marine mammals capture the imagination and demand the affections of people around the world. Many of these … WebJun 29, 2024 · Fishes are not mammals as they do not have mammary glands and do not breastfeed their young ones. The sensory organs of the fish include otoliths, lateral lines, … lithium monitoring uptodate