chordate
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Last updated 3:16 PM on 4/25/23
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49 Terms
1
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chordates include _____ and some ____
vertebrates; invertbrates
2
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invertebrate include ____ and ____
sea squirts; lancelets
3
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All chordates have ____(list 4) at some point in their life
dorsal nerve chord
notochord - attchment site for muscles
pharyngeal gil slits
post anal tail
notochord - attchment site for muscles
pharyngeal gil slits
post anal tail
4
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lacelates and seasquirts feed by…
filter feeding
5
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fish have a ___ chambered heart
2
6
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Jawless fish inlclude….
hagfish and lampreys
7
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cartilaginous (chondricthyes) fishes are marine _____; they include (list 3)….
predators; sharks, skates, and rays
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cartilaginous fish have _______ fertilization
internal
9
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ray-finned fish is distinguished by the structure of their…
fins
10
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ray-finned fish have _____ made of bone
skeletons
11
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most ray-finned fish have ___ for bouyancy; it evolved from ____.
a swim bladder; lungs
12
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bony fish have _______ sexes; _____ fertilization
separate; external
13
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14
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lobe-fin fish gave rise to ____
tetrapods (us)
15
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16
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17
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18
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amphians have ___ chambered heart
3
19
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amphians are _____ (4 limps)
tetrapods
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amphians have small lungs; do gas exchange though ____
difussion
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most amphians are tethered to the water to ____
reproduce
22
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Reptiles first completely adapted to ____
land
23
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Reptiles have keratnized ____
scales
24
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25
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26
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reptiles have a large ____ with expandable ribcage
lung
27
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reptiles evolved an____ egg
amniotic
28
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reptilian gender is dictated by ____
temperature
29
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reptiles are ectotherms which means…
cold blooded
30
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reptiles have “___” chambered heart
3\.5
31
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archaeopteryx (the earliest known bird) is a…..
transitional fossil
32
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birds are feathered ____
reptiles
33
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birds are endothermic whihc means..
warm blooded
34
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birds have a ___ chambered heart
4
35
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birds have ____ fetilization and a ___ egg
internal; shelled
36
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37
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38
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mammals are ____ blooded
warm
39
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mammals evolved….
200mya
40
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mammals have ______ teeth
differientiated
41
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mammaliian infants are ____ on their parents
dependents
42
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mammals have ___ chambered heart
4
43
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infant mammals have ____ development
internal
44
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monotremes are ___ mammal
egg laying
45
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the monotremes include…
platapus and spiny anteater
46
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mono tremes have ____ glands but no ____
mammary; nipple
47
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masupial embryos devlop in the ___ for a short period
uterus
48
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marsupial devlopment occurs in the…
post birth pouch
49
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Placental mammals are dependent on…
parental care
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