eview 29 1. What kind of development, protostome or deuterostome, is common to c
ID: 197420 • Letter: E
Question
eview 29 1. What kind of development, protostome or deuterostome, is common to chorda tes and echinoderms? 2. Is the nerve cord dorsal or ventral in the invertebrate chordates, tunicates and lance 3. What structure is replaced by the vertebral column in vertebrate chordates? 4. lets? Do cartilaginous fishes or ray-finned fishes have a bony skeleton? 5. What term refers to terrestrial vertebrates that have four limbs? 6. What do reptiles produce that ensures their embryos won't dry out on land? - at term refers to the changes that occur when an aquaic tadpole becomes a frog with term refers to the changes that occur when an aquatic tadpole becomes a frog with limbs and lungs? 8. What is the name of the membranous covering associated with the heart? 9. What structure in the frog receives materials from the large intestine, mesonephritic ducts, and the reproductive organs? 10. Which animals have modified scales covering their bodies, have scales on their feet, lay shelled eggs, and have internal organs and skulls that provide evidence to classify them as reptiles? 11. What organs are present if a vertebrate has a pulmonary system of circulation with pulmonary capillaries? 12. How many ventricles are present in the heart of an amphibian and most reptiles? 13. Which vertebrates have air sacs attached to their lungs that make the lungs more efficient? 14. What organs, present in all the vertebrates, produce urine and maintain the proper balance of fluids and salts in the blood?Explanation / Answer
1. Deuterostome kind of development is common to chordates and echinoderms
2. Nerve cord is dorsal in the invertebrate chordates, tunicates, and lancelets
3. Notochord replaces a vertebral column invertebrate chordates.
4. Ray fined fishes have a bony skeleton
5. Terrestrial vertebrates having four limbs are called tetrapods
6. Reptiles produce "eggshell" to ensure that their embryos won't dry out on land.
7. The change that occurs when an aquatic tadpole becomes a frog with limbs and lungs is known as metamorphosis.
8. The membranous covering associated with the heart is called pericardium
9. The structure that receives material from large intestine, mesonephric ducts and the reproductive organ in frog is cloaca
10. Crocodile
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