II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.
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Transcript of II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.
![Page 1: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/1.jpg)
II. Animal Diversity
b. Ecdysozoans
3. Arthropod Phyla
e. Phylum Hexapoda
1. Diversity
- Collembola
![Page 2: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/2.jpg)
II. Animal Diversity
b. Ecdysozoans
3. Arthropod Phyla
e. Phylum Hexapoda
1. Diversity
- Collembola
- Protura
![Page 3: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/3.jpg)
II. Animal Diversity
b. Ecdysozoans
3. Arthropod Phyla
e. Phylum Hexapoda
1. Diversity
- Collembola
- Protura
- Insecta
![Page 4: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/4.jpg)
II. Animal Diversity
b. Ecdysozoans
3. Arthropod Phyla
e. Phylum Hexapoda
2. Biology
- spiracles
![Page 5: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/5.jpg)
II. Animal Diversity
b. Ecdysozoans
3. Arthropod Phyla
e. Phylum Hexapoda
2. Biology
- spiracles
- Fusion of segments into three
regions: head, thorax, abdomen
![Page 6: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/6.jpg)
II. Animal Diversity
b. Ecdysozoans
3. Arthropod Phyla
e. Phylum Hexapoda
2. Biology
- spiracles
- Fusion of segments into three
regions: head, thorax, abdomen
- Flight in insects
![Page 7: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/7.jpg)
II. Animal Diversity
C. Bilateria
1. Protostomes – blastopore forms mouth
a. Lophotrochozoans
b. Ecdysozoans
2. Deuterostomes – blastopore forms anus
a. Echinodermata
b. Hemichordata
c. Chordata
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
1. Diversity
- sea stars
![Page 10: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/10.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
1. Diversity
- sea stars
- sea cucumbers
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
1. Diversity
- sea stars
- sea cucumbers
- sea urchins
![Page 12: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/12.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
2. Biology
- “biradial symmetry”
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
2. Biology
- “biradial symmetry”
- internal skeleton – calcified plates
![Page 14: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/14.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
2. Biology
- “biradial symmetry”
- internal skeleton – calcified plates
- water vascular system and tube feet
(sieve plate, ring canal, radial canal)
![Page 15: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/15.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
a. Echinodermata
2. Biology
- “biradial symmetry”
- internal skeleton – calcified plates
- water vascular system and tube feet
(sieve plate, ring canal, radial canal)
- filter feeders (Sea Lily), herbivores
(sea urchins), predators (sea stars).
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
b. Hemichordata – Acorn Worms
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
b. Hemichordata – Acorn Worms
- pharyngeal gill slits
- hollow dorsal nerve tube
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
- Pharyngeal Gill Slits
![Page 20: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/20.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
- Pharyngeal Gill Slits
- Hollow Dorsal Nerve Tube
![Page 21: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/21.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
- Pharyngeal Gill Slits
- Hollow Dorsal Nerve Tube
- Post-anal tail
![Page 22: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/22.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
- Pharyngeal Gill Slits
- Hollow Dorsal Nerve Tube
- Post-anal tail
- notochord – a rigid supporting rod
![Page 23: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/23.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
1. Urochordata - Tunicates
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
1. Urochordata – Tunicates
- 4 traits as larva
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
1. Urochordata – Tunicates
- 4 traits as larva
- mobile as larva
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
1. Urochordata – Tunicates
- 4 traits as larva
- mobile as larva
- become sedentary
as adults (filter)
![Page 27: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/27.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
2. Cephalochordata – Lancelets
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata: Four Key Characters
2. Cephalochordata – Lancelets
- 4 traits
- burrowers
- filter feeders
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
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II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
- four traits
![Page 31: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/31.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
- four traits
- vertebral column
![Page 32: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/32.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
- four traits
- vertebral column
- trends:
![Page 33: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/33.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
- four traits
- vertebral column
- trends:
- increased locomotion
![Page 34: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/34.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
- four traits
- vertebral column
- trends:
- increased locomotion
- increased cephalization
![Page 35: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/35.jpg)
II. Animal Diversity
C. Bilateria
2. Deuterostomes – blastopore forms anus
c. Chordata:
3. Vertebrata
- four traits
- vertebral column
- trends:
- increased locomotion
- increased cephalization
- adaptations to land
![Page 36: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/36.jpg)
II. Animal Diversity
3. Vertebrata
a. Origin of Vertebrates
- filter feeding ancestor (lancelet-like)
- 550 mya - Pikaea
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II. Animal Diversity
3. Vertebrata
a. Origin of Vertebrates
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II. Animal Diversity
3. Vertebrata
b. Jawless Fishes – (Class: Agnatha)
- Early: Ostracoderms – filter feeding
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II. Animal Diversity
3. Vertebrata
b. Jawless Fishes – (Class: Agnatha)
- Current: lampreys, hagfishes: parasitic
![Page 40: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/40.jpg)
II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- gill arches
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- gill arches
- evolved to jaws
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- gill arches
- evolved to jaws
- increase feeding
![Page 44: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/44.jpg)
II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- gill arches
- evolved to jaws
- increase feeding
- priority on
locomotion
![Page 45: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/45.jpg)
II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- gill arches
- evolved to jaws
- increase feeding
- priority on
locomotion
- Cephalization
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- Placoderms (extinct – survived to Permian)
dominant predators
paired appendages for swimming
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- Placoderms (extinct – survived to Permian)
- Cartilaginous fish (Class: Chondrichthyes)
also efficient paired fins
- sharks
- skates, rays
- ratfish
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- Placoderms (extinct – survived to Permian)
- Cartilaginous fish (Class: Chondrichthyes)
- Bony Fish (Class: Osteichthyes)
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II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- Placoderms (extinct – survived to Permian)
- Cartilaginous fish (Class: Chondrichthyes)
- Bony Fish (Class: Osteichthyes)
- light bone skeleton
![Page 51: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/51.jpg)
II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- Placoderms (extinct – survived to Permian)
- Cartilaginous fish (Class: Chondrichthyes)
- Bony Fish (Class: Osteichthyes)
- light bone skeleton
- air sac for respiration
![Page 52: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/52.jpg)
II. Animal Diversity
3. Vertebrata
c. Jawed Fishes
- Placoderms (extinct – survived to Permian)
- Cartilaginous fish (Class: Chondrichthyes)
- Bony Fish (Class: Osteichthyes)
- light bone skeleton
- air sac for respiration
- in Ray-finned: swim bladder
(light, buoyant, fast)
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- Bony Fish (Class: Osteichthyes)
- light bone skeleton
- air sac for respiration
- in Ray-finned: swim bladder
(light, buoyant, fast)
- in Lobe-finned and lungfish:
evolved jointed fins…
could support weight
on land, and breath with
air sac. (Devonian – 400my
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II. Animal Diversity
3. Vertebrata
d. Amphibians
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II. Animal Diversity
3. Vertebrata
d. Amphibians
- Evolved in Devonian (375 mya) - Lungfish
- fed on abundant terrestrial Arthropods
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Ichthyostegids
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II. Animal Diversity
3. Vertebrata
d. Amphibians
- Caecilians, Frogs and Toads, Salamanders
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II. Animal Diversity
3. Vertebrata
d. Amphibians
- Caecilians, Frogs and Toads, Salamanders
- small lungs, respiratory skin must stay moist
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II. Animal Diversity
3. Vertebrata
d. Amphibians
- Caecilians, Frogs and Toads, Salamanders
- small lungs, respiratory skin must stay moist
- eggs must stay moist
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II. Animal Diversity
3. Vertebrata
e. Reptiles – evolved in Carboniferous (325 mya)
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II. Animal Diversity
3. Vertebrata
e. Reptiles
- amniotic egg with shell
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II. Animal Diversity
3. Vertebrata
e. Reptiles
- amniotic egg with shell
- kidney to produce concentrated urine
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II. Animal Diversity
3. Vertebrata
e. Reptiles
- amniotic egg with shell
- kidney to produce concentrated urine
- scales to reduce water loss from skin
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II. Animal Diversity
3. Vertebrata
f. Birds: evolved over 200 mya ago
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II. Animal Diversity
3. Vertebrata
f. Birds
- feathers – homeothermy and flight
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II. Animal Diversity
3. Vertebrata
f. Birds
- feathers – homeothermy and flight
- “one way” lung – more efficient
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II. Animal Diversity
3. Vertebrata
g. Mammals:
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II. Animal Diversity
3. Vertebrata
g. Mammals:
- evolved over 200 mya ago, too
(remember from what?)
![Page 69: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/69.jpg)
II. Animal Diversity
3. Vertebrata
g. Mammals:
- evolved over 200 mya ago, too
- hair (homeothermy)
![Page 70: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/70.jpg)
II. Animal Diversity
3. Vertebrata
g. Mammals:
- evolved over 200 mya ago, too
- hair (homeothermy)
- nurse young (increase survival of young)
![Page 71: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/71.jpg)
II. Animal Diversity
3. Vertebrata
g. Mammals:
- evolved over 200 mya ago, too
- hair (homeothermy)
- nurse young (increase survival of young)
- Development:
lay eggs (Monotremes)
![Page 72: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/72.jpg)
II. Animal Diversity
3. Vertebrata
g. Mammals:
- evolved over 200 mya ago, too
- hair (homeothermy)
- nurse young (increase survival of young)
- Development:
lay eggs (Monotremes)
embryo born, nursed (Marsupials)
![Page 73: II. Animal Diversity b. Ecdysozoans 3. Arthropod Phyla e. Phylum Hexapoda 1. Diversity - Collembola.](https://reader036.fdocuments.in/reader036/viewer/2022062807/5697c0081a28abf838cc65ae/html5/thumbnails/73.jpg)
II. Animal Diversity
3. Vertebrata
g. Mammals:
- evolved over 200 mya ago, too
- hair (homeothermy)
- nurse young (increase survival of young)
- Development:
lay eggs (Monotremes)
embryo born, nursed (Marsupials)
develop to independence (Placentals)