Ex4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Porifera-gastrovascular cavity, coelom present
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| show | a relatively large size
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| All of the following are characteristics of the phylum Cnidaria except | show 🗑
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| Which of the following is a characteristic of adult echinoderms? | show 🗑
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| A radula is present in members of which class(es)? | show 🗑
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| show | wings.
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| Which phylum is characterized by animals that have a segmented body? | show 🗑
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| Corals are most closely related to which group? | show 🗑
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| Generally, members of which flatworm class are nonparasitic? | show 🗑
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| The possession of two pairs of antennae is a characteristic of | show 🗑
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| show | may use a gastrovascular cavity as a hydrostatic skeleton.
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| show | pseudocoelom
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| show | a mantle.
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| The water vascular system of echinoderms | show 🗑
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| show | flight
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| The members of which class of the phylum Cnidaria occur only as polyps? | show 🗑
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| show | Polyplacophora
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| show | Gastropoda
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| A terrestrial mollusc without a shell belongs to which class? | show 🗑
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| All of the following animal groups include terrestrial life forms except | show 🗑
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| What is true of echinoderms? | show 🗑
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| show | a digestive system with a single opening
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| show | a notochord and a dorsal, hollow nerve cord.
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| show | feathers
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| show | a cartilaginous endoskeleton
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| show | the jawless condition
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| of the following structures are possessed only by birds? | show 🗑
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| Differentiation of teeth is greatest in | show 🗑
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| Pharyngeal slits appear to have functioned first as | show 🗑
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| Why is the amniotic egg considered an important evolutionary breakthrough? It | show 🗑
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| show | a swim bladder
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| The bony fishes are characterized by | show 🗑
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| show | A, B, and C
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| show | lampreys
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| Mammals and living birds share all of the following characteristics except | show 🗑
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| Which of these statements accurately describes a similarity between sharks and fishes? | show 🗑
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| Which of the following are the only extant animals that descended directly from dinosaurs? | show 🗑
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| show | skeletal rods that had supported pharyngeal (gill) slits.
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| show | autotrophic nutrition.
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| Both animals and fungi are completely heterotrophic. What distinguishes animal | show 🗑
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| 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 | show 🗑
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| 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. | show 🗑
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| show | true tissues or no tissues.
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| show | Cambrian period
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| show | move from place to place relatively slowly, if at all.
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| Which of the following is an incorrect association of an animal germ layer with the tissues or organs to which it gives rise? | show 🗑
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| show | have a body cavity completely lined by mesodermal tissue, whereas pseudocoelomates do not.
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| show | spiral and determinate cleavage, blastopore becomes mouth, schizocoelous development
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| According to both the molecular- and morphology-based animal phylogenies, the following are all protostomes except | show 🗑
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| Which distinction is given more emphasis by the morphological phylogeny than by the molecular phylogeny? | show 🗑
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| show | They do not have a body cavity.
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| Why are annelids, arthropods, and molluscs placed in the same clade? | show 🗑
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| Majority of animal is | show 🗑
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| show | A SKULL
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| show | SEGMENTATION
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| Most abundant and diverse vertebrate | show 🗑
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| Rank coelomate, protosome, bilateria, eumetazoa, triploblastic | show 🗑
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