Hagfish.The hagfish(Myxine glutinosa) is an ancient species of jawless fish that lives at great depths, scavenging on the carcasses of dead sea life. It is the only animal to have a skull but no spine, and it lacks fins of any sort, relying on a flattened tail to swim (poorly). D...
Sponges, corals, worms, insects, spiders and crabsare all sub-groups of the invertebrate group - they do not have a backbone. Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones. What sea animals have backbones...
Does a fish have a backbone? Is a seahorse a fish or an amphibian? How are bony fish and cartilaginous fish similar? Do fish reproduce sexually? Are amphibians born alive or in eggs? What kind of scales do cartilaginous fish have?
Do reptiles and amphibians have backbones? Are fish and amphibians part of phylum Chordata? Can amphibians breathe with lungs? Is a water dog an amphibian? Are fish mammals or amphibians? Are hagfish bony or cartilaginous fish? Is a salamander a fish, reptile or amphibian?
studentswilldemonstratedissectionskills(forlivedissections).Usingadissection guideoravirtualdissectiononthecomputer,thestudentswillparticipateina dissectionofafish(preservedorfresh). InterestApproach: Havethestudentslistsomeofthedifferenttypesoffishtheyhaveconsumedor ...
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...
Jawless fish are primitive fish that first evolved around 500 million years ago and belong to the class Agnatha. The species in this class belong to two types of fish known as hagfish and lampreys.Answer and Explanation: No, jawless fish do no have scales, making the class Agnatha the ...
Tadpoles are cold-blooded larval stage of frogs or toads that have backbones. They are unique in that they spend time on both water like fish and land...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your...
B. Have a backbone or spinal column. C. Lack cephalization. D. Include all chordates. my answer is B is that c Consider the flipper of a manatee and the fin of tiktaalik. Are these structures homologous, analogous, or both? E...
Fish are vertebrates (meaning they have a backbone and a spinal chord) that can be found in pretty much every body of water including the ocean, sea, rivers, and lakes. Fish are adapted to live, breed, and breath under the water. They are mainly characterized by the presence of gills ...