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| The molluscan class Cephalopoda includes all of the following kinds of animals EXCEPT: |
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| Which of the following is NOT a member of the segmented worms, phylum Annelida? |
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Term
| Why is the amniotic egg considered a key evolutionary innovation? |
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Definition
| It greatly increases the survival probabilities of eggs in a terrestrial environment. |
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Definition
| are the only extant jawless vertebrates. |
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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
| 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
| Which of the following are chordates? |
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Definition
| All of the above are chordates. |
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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
| The phylum Arthropoda includes all of the following kinds of animals EXCEPT: |
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Term
| Which of the following terms can be associated with gastropods? |
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Term
| Which came first, the chicken or the egg? |
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Definition
| The egg, because the amniotic egg evolved well before the first bird. |
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Term
| Species with backbones represent about ______ of the total species in the animal kingdom. |
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Definition
| Only a) and b) are correct. |
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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
| 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
| Which of the following worms lack a digestive system? |
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Definition
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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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Term
| Which of these animals does NOT belong in class Arachnida? |
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Term
| The bat's wing is NOT homologous to which of the following? |
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Definition
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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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