Term
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Definition
| Modern organisms are thought to resemble these earlier animals |
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Term
| cells are not organized into tissues |
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Definition
| Distinguishes sponges from other nvertebrates |
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Term
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Definition
| Can spear a cnidarian's prey |
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Term
| cnidocytes specialized for defense of capturing prey |
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Definition
| Charaterisic associated only with cnidarians |
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Term
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Definition
| Sponges:fewer nerve nets:: |
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Term
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Definition
| Phylum Cnidaria does not include |
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Term
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Definition
| Hydra is unique among the hydrozoans because it |
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Term
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Definition
| Certain cnidarian stage that produces asexually |
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Term
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Definition
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Term
| Enables development of more complex organ systems |
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Definition
| Evolution of a coelom is significant because |
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Term
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Definition
| Are not part of the phylum Mollusca |
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Term
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Definition
| Jet propulsion is the usual means of locomotion in water for |
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Term
| pumping water through the Siphon |
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Definition
| Jet propulsion in a squid is the result of |
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Term
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Definition
| Segmented worms are known as |
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Term
| may contain some organ systems that duplicate systems in other segments |
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Definition
| Each segment of an annelid |
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Term
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Definition
| Example of segmentation in humans |
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Term
| ventral nerve cord and ganglia that carry impulses to the muscles |
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Definition
| mocements of an earthworm's body segment are possibly because of |
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Term
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Definition
| small tubules that collect wastes from the coelom of annelids and discharge the wastes from the body |
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Term
| are waterproof coatings of the bodies |
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Definition
| Exoskelton of arthropods and the skin of vertebrates both |
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Term
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Definition
| Spiders, scorpions, and horseshoe crabs belong to this subphylum |
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Term
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Definition
| Spiders,scorpions, and ticks belong to the class |
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Term
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Definition
| appendages that scorpions and spiders use to capture and handle their prey are called |
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Term
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Definition
| this organism has one pair of legs per segment and eat other animals |
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Term
| Sea stars, sand dollars, sea urchins |
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Definition
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Term
| dividing in half through the central region and regenrating the missing halves |
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Definition
| some Sea stars can repdoduce asexually by |
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Term
| Vertebrates, tunicates, and lancelets |
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Definition
| Are all members,of the phylum Chordata |
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Term
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Definition
| Is not found in all vertebrates |
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Term
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Definition
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Term
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Definition
| the class Chondrichytes includes |
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Term
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Definition
| The sense not used by sharks to detect prey |
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Term
| are housed in chambers on each side of the head |
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Definition
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Term
| external fertilization takes place |
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Definition
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Term
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Definition
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Term
| generally return to the water to reproduce |
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Definition
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Term
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Definition
| Pumps both deoxygenated and oxygenated blood |
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Term
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Definition
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Term
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Definition
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Term
| mucus on amphibians, waxy coating on spiders, and reptilian scales |
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Definition
| Evaporation of water can be limited by |
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Term
| two artia and one partially divided ventricle |
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Definition
| Reptiles,(except for alligators and crocodiles) have a heart that has |
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Term
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Definition
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Term
| endodermic, have feathers covering their bodies, have four-chambered heart |
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Definition
| Birds differ from reptiles in that they |
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Term
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Definition
| took the place of scales as the body covering of birds |
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Term
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Definition
| Not a function of contour feathers |
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Term
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Definition
| composed of thin, hollow bones; composed of many fused bones, more rigid than a reptile's |
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Term
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Definition
| Melodious songs are characterisic of... |
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Term
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Definition
| Mammals, including birds, have |
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Term
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Definition
| Sheet of muscle at the bottom of the rib cage of mammals |
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Term
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Definition
| the fact that the coyote is a predator can be inferred from |
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Term
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Definition
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Term
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Definition
| dog is a member of the order |
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Term
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Definition
| Not associated with marsupial mammals |
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Term
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Definition
| All monotremes and most marsupials live in Australiaand New Guinea. Limited distribution is due to |
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Term
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Definition
| Chimpanzees differ from humans in that they |
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Term
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Definition
| All austalopithrcine fossils have been discovered in |
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Term
| ability to see in all directions |
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Definition
| Animals with bilateral symmetry find food and mates and avoid predators more efficiently because they have |
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Term
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Definition
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Term
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Definition
| layer of cells on the outer surface of the gastrula |
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Term
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Definition
| third cell layer formed in the developing embryo |
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Term
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Definition
| True or false? In Arthropods, appendages are adapted for a variety of purposes icluding sensing, walking feeding, and mating |
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Term
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Definition
| True or False? The snail serves as aprimar host for the schistosome blood fluke |
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Term
| False, they are flatworms |
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Definition
| The blood flooks are parasitic roundworms |
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Term
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Definition
| True or false? Teeth called incisors are used to puncture and tear the flesh of prey |
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