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Bio 142 > Exam 2 > Flashcards

Exam 2 Flashcards

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Biology 101 flashcards
0
Q

Recent discoveries disproving

Chimps —-> Humans

A
  1. Hobbit 2004
  2. Stranger from Siberia 2010
  3. Ardi published 2009
  4. Hybridization with Neanderthals
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1
Q

3 things that show all humans are African

A
  1. Closest extant relatives in Africa
  2. Mitochondrial Eve existed in Africa ~ 100-200k YA
  3. Most fossil hominids are found in Africa
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2
Q

Main Mammalian Clades

A
  1. Monotremes
  2. Non-monotremes
    A. Placentals
    B. Marsupials
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3
Q

Tetrapod Clades

A
  1. Reptiles
  2. Mammals
  3. Amphibians
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4
Q

Reptile adaptations to dry land

A
  1. Waterproof skin
  2. Waterproof eggs
  3. Waterproof sex
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5
Q

Reptile Clades

A
  1. Lizards and snakes
  2. Turtles
  3. Dinosaurs (including birds)
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6
Q

Amphibian Clades

A
  1. Salamanders
  2. Frogs
  3. Legless Amphibians
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7
Q

Derived Characteristics

A

Define Monophyletic groups

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8
Q

Notochord

A

Present in embryos, long,flexible rod, evolved for swimming

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9
Q

Dorsal hollow nerve chord

A

Develops into a spinal chord and brain in adult humans

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10
Q

Tail extends beyond anus

A

Muscular and adapted for locomotion especially in fishes

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11
Q

Gill slits

A

Allow for filter feeding in lancelets; modified for gills

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12
Q

Chordate Lineages

A
  1. Vertebrates
  2. Tunicates
  3. Lancelets
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13
Q

Vertabrates

A 
Rachel- Reptiles
Met- mammals
All- amphibians
Leonardtown- lungfish
Chicks- coelacanths
Racing- ray-finned fish
Cocky- cartilage fish
Ladies- lampreys
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14
Q

Animalia

A

Spongebob- sponges
Jelly fishing- jellies
Comb it out- comb jellies
Accel away- accels

Rachel- Rotifera
Ferrara- flat worms
Eats- earthworms
Moldy- molusks
Asahi- Arthropoda
Nematoads

E- Echinodermata
C- chordata

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15
Q

Echinodermata

A 
Florida- feather sponges
Coast- cucumbers
University- urchins
Beat- brittle/basket stars
Second- sea stars
16
Q

Primates

A 
People 
Never- new world
Openly- old world 
Gain- gibbon
Obsessive- orang
Guilt- gorilla
Because- bonobo
Crackers- chimp
Hate- human

Bio 142 (1 decks)

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