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30 Cards in this Set
- Front
- Back
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A(n) ___ is an example of a mollusk that does not have a shell.
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octopus
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Features unique to mammals include ____.
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the presence of hair
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Swim bladders ____.
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help bony fish maintain buoyancy
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All of these are characteristics of all animals EXCEPT:
a) they have body tissues b) a heterotrophic mode of nutrition c) eukaryotic cells d) multicellularity e) they eat food |
they have body tissues
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A true coelom is ____.
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completely lined with tissue derived from mesoderm
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Humans are chordates. Which animal group is most closely related to chordates?
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echinoderms
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The group that may have given rise to amphibians are the ___.
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lobe-finned fishes
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The feature present in reptiles and absen tin amphibians that freed reptiles from dependence on water for reproduction is ____.
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the amniotic egg
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Where did humans first appear?
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Africa
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In what way is a sponge similar to a cnidarian?
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Both have a saclike body plan
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Mollusks are recognized based on ___.
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The presence of a visceral mass.
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A characteristic of arthropods that has allowed for their great success is the presence of ___.
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highly specialized segments
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Which of these primates is a prosimian?
a) spider monkey b) gorilla c) baboon d) chimpanzee e) lemur |
lemur
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The oldest known fossils of modern Homo sapiens are about ___ years old.
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100,000
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The arthropod skeleton is composed of ___.
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chitin
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How do New World monkeys differ from Old World monkeys?
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New World monkey have a prehensile tail.
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Which of these exhibits radial symmetry?
a) baseball b) shoe box c) automobile d) spoon e) ferris wheel |
ferris wheel
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Which hominid appears to have been the first to use sim ple stone tools?
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Homo habilis
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_____ are the most diverse group of arthropod.
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Insects
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MOst ____ are aquatic.
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crustaceans
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What is the name given to the process by which a larva develops into an adult?
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metamorphosis
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Annelids are most closely related to _____.
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arthropods
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Characteristics shared by both reptiles and birds include _____.
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the amniotic egg
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A(n) _____ is an example of an invertebrate chordate.
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lancelet
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What does the term tetrapod mean?
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having four limbs
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Chordata (the phylum to which you belong) is most closely related to the _____.
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Echinodermata
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What characteristic is unique to echinoderms?
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a water vascular system
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How do sponges differ from all other animals?
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Sponges lack true tissues
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Which of these animals exhibits segmentation?
a) grasshopper b) hookworm c) planarian d) jelly e) sponge |
grasshopper
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The sim plest animals to have a complete digestive tract are _____.
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roundworms
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