Q: examine the morphology of a millipede and a butterfly. What characters do they share? Notice how…
A: As per the evolution of organisms, the organisms are divided into various phyla. These are a group…
Q: Based on the Figure a) Draw and label the oral surface of the brittle star b) What are the…
A: Brittle star have regeneration power in their arm that is why they named brittle star . They drop…
Q: Describe how the features and diversity of echinoderms illustrate the unity of life, the diversity…
A: Echinoderms are marine organisms that inhabit the sea bottom. These organisms have spiny skin and…
Q: All echinoderms have a water-vascular system. Explain the process how water was utilized in the…
A: Introduction Echinodermata are so named owing to their spiny skin (from the Greek “echinos” meaning…
Q: Mammals are farther removed from echinoderms in phylogenetic alliance as they do with birds. Yet…
A: Birds and Mammals are different from each other in many morphological characters such as body hair,…
Q: What symmetry is represented in echinoderms?
A: There are three types of symmetry- 1. Bilateral symmetry- means that the organism when cut…
Q: Explain why remipedians were once thought to resemble ancestral crustaceans.
A: Remipedia is a class of small, marine, cave-dwelling crustaceans characterized by a short head and a…
Q: Why is the madreporite of sea cucumbers internal instead of external like other echinoderms?
A: The madreporite is made up of calcium carbonate and is covered in pores, looks grooved like some…
Q: Do echinoderms have respiratory and circulatory systems?
A: Echinoderms have a calcareous endoskeleton with organ-system organization. They are triploblastic…
Q: Explain the difference between mictic and amictic eggs of rotifers. What is the adaptive value of…
A: The members of the phylum Rotifera have can range in the length from 40 micrometers to 3…
Q: Is there a larval stage in echinoderms?
A: The term Echinodermata was coined by Jacob klein in 1738 . Leucport in 1847 established the…
Q: Explain the Characteristics of Echinoderms ?
A: The group of eukaryotic, multicellular, and heterotrophic organisms is classified under the kingdom…
Q: A. Which type of Armadillo belongs to the same phylum as Tityus? Give both the scientific name and…
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: What environment would you find an echinoderm?
A: Echinoderms have the following characteristics- 1. They are bilaterally symmetrical. 2. They have a…
Q: Echinoderms have _____. a. triangular symmetry b. radial symmetry c. hexagonal symmetry d.…
A: A major group of marine animals are echinoderms. They are known for their spine like skin. These…
Q: Compare and contrast the symmetry and body shape of the different classes of echinoderms. (Answers…
A: The phylum echinoderms is partitioned into five surviving classes: Asteroidea (ocean stars),…
Q: What are the basic morphological features of echinoderms?
A: The Echinodermata is a phylum in the kingdom Animalia and the members of this phylum is called…
Q: why are pangolins mammals, not reptiles? explain please do not copy from google
A: Pangolins are animals further classified under class mammalia.
Q: What evidence suggests that radial symmetry in echinoderms was secondarily derived?
A: Radial symmetry means that you cut an organism along any diagonal you will get two equal halves of…
Q: Give advantages that amoeba has over a lizard in relation to their levels of organization
A: The amoeba being an unicellular organism thus a single cell performs all its body functions but in…
Q: You decide that it is a eutherian rather than a marsupial. How do you know based on its…
A: A marsupial is a mammal that raises its newborn offspring inside an external pouch at the front or…
Q: Describe how the features and diversity of echinoderms illustrate the unity of life, the diversity…
A: Echinoderms are the members of phylum Echinodermata. It represents a major group that contains…
Q: Describe the endoskeleton and other adaptations seen in echinoderms.
A: Endoskeleton: An endoskeleton is a skeleton that found and develops within the interior of the body…
Q: In planarians ampulation : What body parts are required for feeding? Do all of the planarians eat…
A: Planaria They are free living flat worm belonging to the phylum Platyhelminhs. They have high…
Q: Explain how all echinoderms show five-sided radial symmetry when they look so different. How does a…
A: All Echinoderms possess five-part radial symmetry around a central disc. They all possess a very…
Q: What evidence suggests that hagfishes and lampreys form a mono-phyletic group?
A: Animal phylogeny is a rapidly changing field for the biologists. Even if the members of animal…
Q: Give a short note on the geographical distribution of lizard?
A: Lizards are the reptiles. They can survive in different conditions and found in different niches…
Q: What evidence suggests that ancestral echinoderms were sessile?
A: Phylum Echinoderms include organisms that are exclusively marine. The have spines that stick out…
Q: ecological role of acorn worms, lancelets, and tunicate
A:
Q: Where most animals are tree dwellers?
A: Animals such as squirrels, bats, and leopards are called arboreal animals.
Q: c. Describe the mechanism of sea stars' regeneration. d. Give four examples of how echinoderms are…
A: Sea stars are star shaped fish organism of phylum Echinodermata and class of Asteroidea. It has the…
Q: Are ceriantipatherians also known as horny corrals?
A: Cnidarians are the animals which belongs to the phylum cnidarian which under the kingdom animalia…
Q: Water vasular system in echinoderms in detail
A: Water vascular system is used for locomotion, digestion, food transportation, respiration, and waste…
Q: Are there aquatic andflying mammals?
A: Animals are the groups of multicellular organisms that constitute the Animal kingdom. They are…
Q: What are some representatives of the echinoderm phylum?
A: The representatives of phylum Echinodermata are known as echinoderms. 'Echinos' means spine and…
Q: How do we know that echinoderms were derived from an ancestor with bilateral symmetry?
A: Echinoderms got this name from Greek word echinos means spiny and dermos means skin. Phylum…
Q: What is the system that permits movement and fixation to echinoderms?
A: These form a well defined and successful group of marine animals which live at the bottom of all…
Q: Give four examples of how echinoderms are important to humans
A: The animal kingdom is very large. It consists of a wide variety of animals that differ from each…
Q: In planarians ampulation : can planarians regenerate any body part?
A: Planarian is a free-living flatworm belonging to Platyhelminthes phylum. It belongs to the order…
Q: Explain how the features listed in Table 1 serve as adaptations that might improve the survivability…
A: The animal body is a very complex creature made up of several systems. Each system in the body has a…
Q: Which group of echinoderms has a biradial symmetry and tube feet all over its body?
A: Tube feet are one of the little adaptable or flexible cylindrical processes which present in the…
Q: Compare and contrast the symmetry and body shape of the different classes of echinoderms.
A: Phylum Echinodermata has five classes 1. Asteroidea (sea stars) 2. Ophiuroidea (brittle stars) 3.…
Q: Do echinoderms present internal or external fecundation? Is there sex division among individuals?
A: Fecundation, also known as fertilization involves the physical union of the male and female gamete…
Q: Give three differences between Petromyzon and ammocoetes?
A: Petromyxon also known as lamprey is a jawless fish. It is a parasite and thus known as parasitic…
Q: explain phylogenetic tree of ambystomatids salamanders. what does the connections and colors mean
A: Organisms can evolve during their life cycle. Often evolution can be gradual or spontaneous due to…
Q: Describe the acrosomal reaction in an echinoderm like the purple sea urchin, Strongylocentrotus…
A: Echinoderms are a group of marine invertebrates that belong to the phylum Echinodermata, and has a…
Q: Which clade does not include humans?(A) synapsids(B) lobe-fins(C) diapsids(D) osteichthyans
A: Clades are the group of organisms that are classified on their shared traits with their common…
Q: Match the benefit to the correct chordate adaptation. allows organisms to walk on land [Choose]…
A: Chordates are organism that possess an vertebral column extending from neck to back region.
based on the picture, what is the synamorphic character of echinoderms and hemichordates?
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- Which of the following is/are true of Nemertea partitioned coelom. eversible proboscis blood vascular system OrhynchocoelDescribe the adaptations "bilateral symmetry", "radial symmetry", "cephalization", "closed circulatory system", "coelom", and segmentation.Porifera Cnidaria Clenophora Chordata Joo Ecdysis Protostome body plan Loss of coelom Bilateral symmetry Ctenes Hemichordata Pinacocytes 10 Visceral mass Notochord Consider the phylogenetic tree of the 12 metazoan phyla we discussed in class throughout the term. For each of the 8 numbered branches on this tree (numbered 1-10), match a trait (i.e. character) or loss of a trait that occurred along that branch. Echinodermata Deuterostome body plan Proboscis, collar, and trunk body plan 1. 1 2. 2 3. 3 4. 4 5. 5 6. 6 7. 7 8. 8 9. 9 Arthropoda 10, 10 Nemoda Mollusca Annelida Roer Platyhelminthes
- Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glandsA mantle and mantle cavity are present in: phylum Echinodermata phylum Adversoidea phylum Mollusca phylum Nemertea.The large central opening in the parazoan body is called the: gem mule spicule ostia osculum.
- An animal whose development is marked by radial cleavage and enterocoely is. a deuterostome an annelid or mollusk either an acoelomate or eucoelomate none of the abovegerm layer present / levels of organization and coelom specimen type of animal based on number and organization of germ layer present (diploblastic, triploblastic) type of coelom (none, pseudocoelom, true coelom) scypha hydra dugesia ascaris earthworm How did the structural complexity change among phyla as the number of germ layers increased? Is there an advantage of having a mesoderm, why or why not?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 Bilateria
- PHYLOGENETIC ANALYSIS: Refer to the Pratachardaten phylogenetic tree. Write your answers for the following, phrase sentence form. 1. Are deuterostomes in or in related to protostome (Yes or No)? Explain briefly 2. What Syorlesiamecebic character Protostomes Deuterostomes is the CHORDATES Tripartite coelom, larva Chordate ancestor (Notochord, post-anal tail, dorsal hollow nerve cord) of deuterostomes? 3. What is the Deuterostome ancestor (Gill slits) of echinoderms and character Bilateral ancestor (Dorsoventral axis, mesoderm, through gut, cephalization, hox domains in trunk, tinman heart, pax6/emw/otx domains in head) hemichordates? 4. Is the group of chordates considered monophyletic (Yes or No)? Explain briefly. eozoskpog- FLophotrochozoa Echinoderms Hemichordates Urochordates Cephalochordates VertebratesMATCHING taxonomic terms Cephalochordata [ Choose ] [ Choose ] urochordata lancelet hemichordata sea squirt those with some form of cartilage or bony protection around brain Gnathostomes crinoids Osteichthyes all craniates with jaws acorn worm Craniates all deuterostomes with notochords all vertebrates with boneGrantia Sponge Are the radial canals and the spongeocoel connected or seprate? IS the spongeocel a true coelom, a pseudocoelm, or neither? What is the direction of water flow in the sponge and are they multicellular? What functions do each of the different kinds of cells have? Are they diploblastic,triploblastic, or neither?