Fish Salamander Tortoise Chick Rabbit Human Describe how the embryos changed for each of these organisms from their earliest to latest stages. Species Anatomical Changes From Early to Late Stages Human Chicken Rabbit Tortoise Salamander Fish 1. Look again at the six embryos in their earliest stages. Describe the patterns you see. What physica. similarities exist between each of the embryos?
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- Coelom formation in Deuterostomes is ____________ whereas in Protostomes is _____________.Which of the following is not a characteristic found in sea stars? Walking on tube feet An exosekeleton Deuterostome development A bilaterally symmetric larvaeMatcht eh follo0wing Superclass Agnatha 12345678 Class Aves 12345678 Class Reptilia 12345678 Class Chondrichthyes 12345678 Class Cestoda 12345678 Class Osteichthyes 12345678 Class Amphibia 12345678 Class Mammalia 1. Primitive, jawless fish. 2. Group that contains organisms with 5 - 7 open gill slits. 3. Group with scaled bodies and swim bladders. 4. Group that must live in a moist environment and breathes through their skin. 5. Group of ectothermic organisms that evolved hard shelled eggs that resist drying out on land. 6. Group of organisms that has feathers and light bones. 7. Endothermic organisms with hair on their bodies. 8. None of the above
- Amphioxus x.s (Female Slide) Explain the functions of the amphioxus, such as the pharynx, gills, gills slits, atrium, ovary, etc. Compare the internal features of the Amphioxus to starfish, grasshopper, earthworms, and planarian.luishing Characteristics of Invertebrates 1. Read the following riddles about the common invertebrates found in your locality. 2. Complete the table with the needed details. Riddle Animal Classification Description 1. It lives in the ocean. It likes to eat crabs. Its eight legs are called tentacles. 2. It is unsegmented body. It has a tail and a head end. It commonly lives humans. 3. It lives in the sea but itis not a fish. It has five arms covered with spiny skin on top. 4. It can be found in the branches of trees and in the house. It spins silk a flatworm with long on which can be used for capturing its prey. 5. It is a round worm which lives in the small intestine of humans. It can cause intestinal disease. 6. It does not bite nor sting. It has compound eyes. diseases. It can spread 7. It has an elongated body with one pair of legs per body It can inflict pain by segment. injecting its venom. 8. It burrows underground through the soil and brings subsoil closer to the surface. It…1. Most members of the class__are terrestrial,although part of their lifecycle is tied to water. 2.Mammals are chordates that have __ which allow them to nurse their young with milk. Their bodies are covered with ___ and most of them give birth. 3.Many members of the class __ lay their eggs in pools, swapms or any other moist environment while continuing their life on land. 4.Cartilaginous fishes and bony fishes, belonging to the classes__ and ___ respectively,are chordates due to the presence of ___. choices: feathers hair amphibia Chondrichthyes Osteuchthyes Mammalia Chordata an endoskeleton an exoskeleton a backbone preen glands mammary glands
- Describe the adaptations "bilateral symmetry", "radial symmetry", "cephalization", "closed circulatory system", "coelom", and segmentation.What best describes frogs in terms of development? They are parazoans and acoelomates They are bilateria and protostomes They are bilateria and deuterostomes They are eumetazoa and radiata..17 of 20 Select the phrase which describes the process of coelom formation by schizocoely O Occurs in protostomes and involves mesodermal tissue that is located in the space between the ectoderm layer and the endodermal wall of the archenteron O Occurs in protostomes and involves buding of mesodermal tissue from the archenteron O Occurs in deuterostomes and protostomes and involves migration of neural crest cells around the interior of the ectoderm cell layer O Occurs in deuterostomes and involves differentiation of endodermal tissue into mesoderm which buds from the primitive gut. O Occurs in protostomes and involves rounding-up endodermal tissue which forms the primitive gut lumen
- 25. See Fig. 32.11 A phylogeny of living animals. Draw a phylogenetic tree that includes all of the following groups. There are about 36 phyla of animals. Do NOT include those groups not listed here. ancestral protists platyhelminthes molluscs sponges cnidaria annelids echinoderms nematodes chordates arthropods Add the following clade names to the tree where appropriate: Metazoa Deuterostomia Eumetazoa Lophotrochozoa Ecdysozoa BilateriaMatch the animal taxa (group) to the correct adaptation. radial cleavage of embryo, do not develop a yolked egg, must have a larval stage before the adult stage three tissue layers, bilateral symmetry, but no body cavities. two tissue layers and radial symmetry. radial cleavage of embryo, develop a yolked egg and can mature the developing fetus long, no larval stage No true tissues and no symmetry Protostome sponges Flatworms Cnidarians (jellyfish and sea anemones) DeuterostomeCnidarians (and ctenophores) are diploblastic animals. What is the fate of the ectodermal and endodermal cells in cnidarians? Answer this by keeping track of structures /Nssues /cells of “organs” that are derived from the ectoderm or from the endoderm or both and by which group/taxa. Is there a common pattern for all or are there variations?