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Which of the following combinations of phylum and description is incorrect?
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All of the following characterize the phylum Rotifera except
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Ex4
| Question | Answer |
|---|---|
| Which of the following combinations of phylum and description is incorrect? | Porifera-gastrovascular cavity, coelom present |
| All of the following characterize the phylum Rotifera except | a relatively large size |
| All of the following are characteristics of the phylum Cnidaria except | a pseudocoelom |
| Which of the following is a characteristic of adult echinoderms? | secondary radial symmetry |
| A radula is present in members of which class(es)? | A and B only |
| Among the invertebrates, arthropods are unique in possessing | wings. |
| Which phylum is characterized by animals that have a segmented body? | Arthropoda |
| Corals are most closely related to which group? | sea anemones |
| Generally, members of which flatworm class are nonparasitic? | Turbellaria |
| The possession of two pairs of antennae is a characteristic of | crustaceans. |
| Which of the following is a correct statement about members of the phylum Cnidaria? They | may use a gastrovascular cavity as a hydrostatic skeleton. |
| Which of the following is not a characteristic of most members of the phylum Annelida? | pseudocoelom |
| A land snail, a clam, and an octopus all share | a mantle. |
| The water vascular system of echinoderms | functions in locomotion, feeding, and gas exchange. |
| Which of the following characteristics is probably most responsible for the incredible diversification of insects on land? | flight |
| The members of which class of the phylum Cnidaria occur only as polyps? | Anthozoa |
| Which molluscan class includes chitons? | Polyplacophora |
| Which molluscan class includes members that undergo embryonic torsion? | Gastropoda |
| A terrestrial mollusc without a shell belongs to which class? | Gastropoda |
| All of the following animal groups include terrestrial life forms except | Echinodermata. |
| What is true of echinoderms? | Only A and B are true. |
| Which characteristic is shared by both cnidarians and flatworms? | a digestive system with a single opening |
| Vertebrates and tunicates share | a notochord and a dorsal, hollow nerve cord. |
| What is the single unique characteristic that distinguishes extant birds from other extant animals? | feathers |
| What is a distinctive feature of the chondrichthyans? | a cartilaginous endoskeleton |
| What do hagfishes and lampreys have in common with the extinct conodonts? | the jawless condition |
| of the following structures are possessed only by birds? | feathers and keeled sternum |
| Differentiation of teeth is greatest in | mammals. |
| Pharyngeal slits appear to have functioned first as | suspension-feeding devices. |
| Why is the amniotic egg considered an important evolutionary breakthrough? It | allows incubation of eggs in a terrestrial environment. |
| All of these might have been observed in the common ancestor of chondrichthyans and osteichthyans, except | a swim bladder |
| The bony fishes are characterized by | a bony endoskeleton, operculum, and usually a swim bladder. |
| Structures that are made of keratin include which of the following? | A, B, and C |
| The common ancestor of all these chordate groups except the ____ probably had paired appendages. | lampreys |
| Mammals and living birds share all of the following characteristics except | a hole behind the eye socket on each side of the skull. |
| Which of these statements accurately describes a similarity between sharks and fishes? | They have a lateral line that is sensitive to changes in water pressure. |
| Which of the following are the only extant animals that descended directly from dinosaurs? | birds |
| According to one hypothesis, the jaws of vertebrates were derived by the modification of | skeletal rods that had supported pharyngeal (gill) slits. |
| The following are all generally observed among animals except | autotrophic nutrition. |
| Both animals and fungi are completely heterotrophic. What distinguishes animal | by ingesting it. |
| The larvae of some insects are merely small versions of the adult, whereas the larvae of certain other insects look radically different from adults, eat different foods, and may even live in different environments. What condition should most directly favo | limited resources |
| The number of legs an insect has, or the number of vertebrae in a vertebrate's vertebral column, or the number of joints in a digit (such as a finger), are all strongly influenced by __________ genes. | homeotic |
| most ancient branch point in animal phylogeny is that between having | true tissues or no tissues. |
| Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the | Cambrian period |
| Organisms showing radial symmetry would likely | move from place to place relatively slowly, if at all. |
| Which of the following is an incorrect association of an animal germ layer with the tissues or organs to which it gives rise? | mesoderm-nervous system |
| What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates | have a body cavity completely lined by mesodermal tissue, whereas pseudocoelomates do not. |
| Which of the following is descriptive of protostomes? | spiral and determinate cleavage, blastopore becomes mouth, schizocoelous development |
| According to both the molecular- and morphology-based animal phylogenies, the following are all protostomes except | echinoderms. |
| Which distinction is given more emphasis by the morphological phylogeny than by the molecular phylogeny? | radial and bilateral |
| As a group, how do poriferans, cnidarians, and platyhelminthes differ from other animal phyla? | They do not have a body cavity. |
| Why are annelids, arthropods, and molluscs placed in the same clade? | They are coelomates. |
| Majority of animal is | INVERTEBRATE |
| Craniate possess | A SKULL |
| Adaption of Analida-flexibility & mobility | SEGMENTATION |
| Most abundant and diverse vertebrate | BONY FISH |
| Rank coelomate, protosome, bilateria, eumetazoa, triploblastic | Eume>bila>triplo>coel>proto |
Created by:
michaeltrann
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