a. lobe-finned fish b. hagfish c. shark What's the phylogenetic class of fish? Can a snail survive in an aquarium with no living plants in it? What do fish owners do to compensate if their aquarium has no plants? If we compare frogs, humans, and birds, what do they have common?
Looking at the science behind hummingbirds flying backwards, how do dogs know when you are sad, and why Hagfish are just so slimy. Rate S1.E4 ∙ Puppy Dog Tails and Crocodile JawsSun, Jan 13, 2019 Tail wagging actually has a message for you, if you know how to interpret it, and...
While not directly killing them, ubiquitous scavengers complete the nutrient recycling process by consuming whale carcasses. Hagfish and sleeper sharks use rasping teeth to burrow into dead whale falls on the sea floor. Their efficient recyclers prevent marine diseases and return nourishing whale biomas...
Organisms that have the neural crest and a cranium are part of the clade Craniata which includes the vertebrates and the hagfishes. The cranium and vertebral column are parts of the vertebrate axial skeleton. This provides the main support structure for the central trunk of the body and makes...