'Placental viviparity' presentation slideshows

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Phylum Mollusca: Classes

Phylum Mollusca: Classes

Phylum Mollusca: Classes. Gastropods (Snails, slugs, and limpets) Bivalves (Mussels, clams, scallops, oysters) Cephalopods (Octopus, squid, cuttlefish, nautilus) Polyplacophora (Chitons) Scaphopoda (Tusk shells) Monoplacophora (cap shells, body uncoiled) Aplacophora (wormlike).

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805 views • 39 slides
REPRODUCTIVE STRATEGIES FOR SURVIVAL

REPRODUCTIVE STRATEGIES FOR SURVIVAL

REPRODUCTIVE STRATEGIES FOR SURVIVAL. Mating Systems. Mating Systems Monogamy. Pair bonds with one male and one female for one or more breeding seasons or for life Estimated that 90% of bird species are monogamous. Emperor Penguins form pair bonds for one breeding season. Mating Systems.

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Natural History of Sharks, Skates, and Rays Reproductive Biology MARE 380 Dr. Turner

Natural History of Sharks, Skates, and Rays Reproductive Biology MARE 380 Dr. Turner

Natural History of Sharks, Skates, and Rays Reproductive Biology MARE 380 Dr. Turner. Reproductive Biology. Reproductive adaptations have contributed to evolutionary success & genetic continuity Reproductive processes for most sharks remains unknown. Fish Reproduction.

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Sharks, Skates, Rays and Chimeras

Sharks, Skates, Rays and Chimeras

Sharks, Skates, Rays and Chimeras. Class Chondrichthyes. Subclass Elasmobranchii Sharks Skates and Rays Subclass Holocephali Chimaeras (Ratfish) Traits Habitats. Adaptations. Buoyancy Respiration External covering Feeding Movement Sensory systems. Buoyancy. Huge oil-filled liver

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840 views • 26 slides
Reproduction Systematics and Taxonomy

Reproduction Systematics and Taxonomy

Reproduction Systematics and Taxonomy. BIOL240.002 Zoology 22 September 2014. Oviparity. Eggs laid by ? External fertilizers Many internal fertilizers Planktonic eggs: Eggs drift about in water Ex : Most cnidarians Ex : Most echinoderms Egg masses: Ex : Frogs.

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269 views • 18 slides

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