Vertabrates Flashcards

(43 cards)

1
Q

Sea Stars, Sea Urchins, Sand Dollars, etc.

A

Echinoderms

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2
Q

_________ can regenerate after injury or loss of part of their body; fragmentation,
asexual reproduction

A

Echinoderms

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3
Q

All species in this group are marine

A

Echinoderms

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4
Q

early larval stages have bilateral symmetry, adults have pentaradial symmetry

A

Echinoderms

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5
Q

endoskeleton under the skin
composed of calcareous ossicles

A

Echinoderms

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6
Q

coelom partially modified into water vascular system

A

Echinoderms

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7
Q

All species in this group are marine and some can inject toxins

A

Echinoderms

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8
Q

a flexible, rod-shaped support structure

A

notochord

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9
Q

derived from ectoderm that in most species develops into the brain and spinal cord

A

dorsal hollow nerve cord

DHNC

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10
Q

pharyngeal slit and post-anal tail

A

2 other key features that Chordata have

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11
Q

earliest terrestrial tetrapods

A

Amphibians

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12
Q

__________ have four well developed limbs, are carnivores, and require water for reproduction

A

Amphibians

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13
Q

__________ have moist, permeable skin with mucus glands that allows cutaneous respiration

A

Amphibians

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14
Q

____________ do external fertilization

A

Amphibians

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15
Q

__________ have scales that cover their skin that prevent water loss, and do internal fertilization

A

Reptiles

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16
Q

Birds are _____________ which means that they generate their own body heat metabolically

A

Endothermic

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17
Q

____________ are modified reptilian scales

A

Feathers

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18
Q

___________ have skin that is covered by hair or fur

19
Q

______________ have glands including mammary glands

20
Q

____________ have an ancestory called the cynodont reptile

21
Q

early _________ and small nocturnal insectivores are called Morganucdonts

22
Q
  • monotremes– egg-laying platypus & echidnas,
  • marsupials
    -placental mammals
A

3 rounds of radiation & extinction

23
Q

the largest existing land animals

24
Q

3 species of Elepants living in sub-Saharan Africa, South Asia, and Southeast Asia

A
  1. African bush elephant
  2. the African forest elephant
  3. the Asian elephant
25
habitats for __________ include savannahs, forests, deserts, & marshes
Elephants
26
Elephants are ___________ and ____________
herbivores, social
27
________ in groups of females and ___________ lead by the matriarch
Cows, Calves
28
_________ leave their family groups at puberty, solitary with other males, interact with family groups for mating
Bulls
29
Increase in size
Megaherbivores
30
The ___________ in ______ allows elephants to survive on low-nutritional value vegetation
increase in size
31
32
Upper second incisors on elephants are called
tusks
33
Straight, curved upward, curved downward, spiralled
tusk shape by species
34
Earliest ___________ were smaller and aquatic in late Paleocene
Proboscids
35
at the beginning of Pleistocene, elephantids experienced a _____________
High rate of speciation
36
in the Late Pleistocene, most proboscidean species vanished during the _____________ that killed off 50% of genera weighing over 5 kg (11 lb) worldwide
Quaternary glaciation
37
Hagfish and Lamprey
Jawless Fish
38
Sharks, ray, and skates
cartilaginous fish
39
Ray-finned fish, lobe-finned fish
Bony Fish
40
Frogs, salamanders, caecilians
Reptile examples
41
Embryos develop in shelled egg and it is protected by amniotic membranes
Reptiles and birds
42
Enchinodermata and Chordata are examples of
Deuterostomes
43
Tunicates, Lancelets, and Vertebrates
Chordata