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Vertebrates

Ms. VH

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Across
3.another name of shell of turtle
6.bony fish have these glands to make them slippery
11.number of classes of subphylum vertebrata
12.salamanders and newts can have this type of glands to ward off predators
14.wishbone in birds
16.order of lizards and snakes
17.organ in birds that grinds food
18.one of few places where lizards and snakes are not found
21.adaptation of bird bones
22.Chondrichthyes have a skeleton made of this material
25.sharks must remain in constant motion because they lack this organ
30.term for having a dark upper surface and lighter lower surface
32.examples are coelancanth and lungfish
33.crocodiles may lay eggs in these structures
34.bony fish reinforce their skeleton with these
35.caecillians detect prey with chemosensory ____
38.birds have a very efficient ____ system so they can fly
39.order that has 4 limbs, elongated bodies, and cutaneous respiration
44.flexible skeletal support rod
47.smallest shark
50.members of Order Anura are these type of eaters
52.largest shark
53.order of the caecillians
55.amphibians have this many chambers in their heart
56.type of shell reptile eggs have
58.reptiles have these on their toes, if they have toes
59.Agnatha fish have seven of these
Down
1.frogs and toads have legs adapted for this
2.caecillians lack these
4.their name means "double life" in Greek
5.Chondrichthyes have special receptors that can detect these
7.fins that keep fish from rolling over
8.fin that propels fish forward
9.besides lungs and gills, amphibians can also breath this way
10.sitting in the sun to absorb the heat
13.gill covering
15.Chondrichthyes have a tough skin covered with these sharp teeth
16.Agnatha fish lack this digestive organ
19.all marine, burrow on ocean floor
20.order of turtles and tortoises
23.sharks are these kind of eaters
24.class of ancient fish
26.males produce these to attract females
27.reptile with a wide flat head and round noses
28.internal skeleton
29.only place the 2 living species of tuatara are found
31.belongs to order sphenodontia
36.order of reptiles that will actually care for their young
37.slits in this body part that let water enter and exit
40.symmetry of Chordata
41.subphylum of Chordates that has a backbone
42.largest class of vertebrates
43.found in marine and freshwater, some are parasitic
45.member of order testudines with a dome shaped shell
46.birds have a ___ loop circulation
48.this type of skull means it is modified to move
49.flat-bodied fish found in warm seas
51.examples are salmon, eels, cod, halibut, sea horses
54.beak of the turtle
57.this terms means "lacks scales"

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