Term
| Which of the following insect orders has the most species currently named by scientists? |
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Term
| Three major differences between humans and chimpanzees are that humans are bipedal, have a larger brain, and have a larger body. Which of these characteristics evolved first? |
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Term
| Which of the following is NOT a cnidarian? |
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Definition
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Term
| Which of the following worms lack a digestive system? |
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Definition
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Term
| The phylum Platyhelminthes are more commonly known as: |
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Definition
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Term
| Segmented worms (annelids), roundworms (nematodes), and flatworms (platyhelminths): |
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Definition
| are all bilaterally symmetrical. |
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Term
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Definition
| a chitinous exoskeleton and jointed appendages. |
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Term
| Echinoderm larvae are ________________, while echinoderm adults are ________________. |
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Definition
| bilaterally symmetrical; radially symmetrical |
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Term
| Which of these animals does NOT belong in class Arachnida? |
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Definition
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Term
| The vast majority of invertebrates are: |
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Term
| You are eating in a French restaurant and read that snails are on the menu. Being a knowledgeable biologist, you kindly inform the other members at the table that this restaurant is serving the ___________ class of Mollusks. |
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Term
| What is the major developmental characteristic that shows the close relationship between echinoderms and chordates? |
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Definition
| In both groups, the gut develops from back to front. |
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Term
| Which of the following is FALSE? |
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Definition
| Animals are not all descended from a common ancestor. |
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Term
| Marsupials, together with which one of the following groups, combine to make a monophyletic assemblage? |
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Definition
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Term
| The most ancient branching point in the phylogeny of animals is the one that distinguishes between having: |
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Definition
| true tissues or no tissues. |
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Term
| The other species of humans that were alive contemporaneously with Homo sapiens were: |
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Definition
| Homo neanderthalensis, Homo floresiensis, and Homo erectus. |
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Term
| The undersides of the arms of a sea star are carpeted with ___________________ that extend and contract in waves, grasping and releasing the substrate as the animal glides along. |
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Definition
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Term
| Which order of insects has the highest species diversity, more than that of any other order in animals? |
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Definition
| it is improper to view any species as higher or lower than any other species. |
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Term
| Reptiles show numerous adaptations for a completely terrestrial life cycle. One adaptation that first occurred in the reptiles includes: |
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Definition
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Term
| Which of the following is a common characteristic of the arthropod phylum? |
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Definition
| Only a), c), and d) are correct. |
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Term
| All cnidarians have tentacles that are armed with rows of stinging: |
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Definition
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Term
| Birds are most closely related to: |
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Definition
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Term
| Both birds and mammals have four-chambered hearts. But birds are more closely related to crocodiles, which have three-chambered hearts, than they are to mammals. The correct interpretation of these observations is that: |
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Definition
| birds and mammals independently evolved four-chambered hearts |
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Term
| Birds are ___________________, while turtles are _________________. |
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Definition
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Term
| Which animal phylum lacks true tissues? |
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Definition
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Term
| The figure represents a phylogenetic tree of the: |
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Definition
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Term
| In terms of their adaptation to living on land, how are reptiles similar to the seed plants? |
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Definition
| Both c) and d) are correct. |
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Term
| Which of the following series of events correctly describes the evolutionary history of the vertebrates, from earliest to latest in time? |
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Definition
| jaws → lungs → four limbs → hair |
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Term
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Definition
| are the only extant jawless vertebrates. |
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Term
| Two important features that distinguish mammals from any other type of animal are: |
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Definition
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Term
| Which of the following choices does NOT correctly categorize the biological kingdom with the form of reproduction used by the organisms within it? |
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Definition
| Fungi: asexual reproduction only |
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Term
| The fossil known as Lucy was a: |
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Definition
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Term
| What is the major developmental characteristic that shows the close relationship between echinoderms and chordates? |
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Definition
| In both groups, the gut develops from back to front. |
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Term
| All of the following are arachnids EXCEPT: |
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Definition
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Term
| Which of the following shows the correct complete classification of modern humans, from phylum to species? |
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Definition
| Chordata; Vertebrata; Mammalia; Primates; Hominidae; Homo; Homo sapiens. |
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Term
| Using the phylogenetic tree in the figure, determine which of the following constitutes a monophyletic group. |
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Definition
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