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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Term
| Which animal phylum lacks true tissues? |
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Definition
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| The bat's wing is NOT homologous to which of the following? |
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Definition
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| All cnidarians have tentacles that are armed with rows of stinging: |
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Definition
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Term
| Which of the following terms can be associated with gastropods? |
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Definition
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Term
| The molluscan class Cephalopoda includes all of the following kinds of animals EXCEPT: |
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Definition
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Term
| Many people are initially repulsed by leeches. But after some study, you can find that you actually begin to feel some affection for them. And they, in turn, become attached to you. Leeches are in the phylum: |
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Definition
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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
| Homo neanderthalensis were about the same height as Homo sapiens, but they: |
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Definition
| were more robust and muscular. |
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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
| Humans are NOT a part of which taxonomic group? |
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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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Definition
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Term
| The human disease filariasis is caused by worms from which phylum? |
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Definition
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Term
| Soon after amniotic vertebrates appeared, two different evolutionary lineages began to diverge. They are |
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Definition
| the mammals and the reptiles. |
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Term
| Which of the following is NOT correct about all animals? |
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Definition
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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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Term
| All of the following are arachnids EXCEPT: |
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Definition
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Term
| Which of the following groups is made up solely of carnivores? |
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Definition
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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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| Birds are most closely related to |
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