Download presentation
Presentation is loading. Please wait.
Published byToby Knight Modified over 9 years ago
1
Mollusks BY JARED ROSS, BRANDON VINCENT, AND AISLINN LOWRY
2
Body Symmetry Bilateral 1)"Ancient Life Clams." Ancient Life--17--Nuculodia Clams. N.p., 1997. Web. 30 Sept. 2015. 2) "Mollusca." Pinterest. N.p., n.d. Web. 30 Sept. 2015.
3
Locomotion of Mollusks Land mollusks move with a foot Aquatic mollusks move by jet propulsion Ejecting water from within its body 1)"Common BI Mollusks." RSS. N.p., n.d. Web. 30 Sept. 2015. 2)"Who Invented Jet Propulsion?" Answers in Genesis. N.p., n.d. Web. 30 Sept. 2015. https://www.youtube.com/wa tch?v=48_MU9NH2rc
4
Gastropods nervous system Brains Cords Ganglia "Generalized Bivalve Nervous System." Generalized Bivalve Nervous System. N.p., n.d. Web. 02 Oct. 2015. "Nerve Net Gastropod." Nerve Net Gastropod. N.p., n.d. Web. 02 Oct. 2015.
5
Bivalves nervous system No heads Series of ganglia that conduct impulses "Nervous System." Nervous System. N.p., n.d. Web. 02 Oct. 2015.
6
Octopus nervous system Largest brain of all invertebrates 130 neurons in the brain 3/5 neurons in the arm Arms have mind of their own Brain is shaped like a donut Complex lobes similar to mammals Intelligent like a cat, dinner plate eyes
7
"Chapter 49 Nervous Systems." Presentation ". Objectives To Learn: The Nervous Systems of Different Animals the Nervous Systems of Vertebrates the Parts of the Brain And." N.p., n.d. Web. 01 Oct. 2015.
9
Digestive system One way Digestive gland Liver Pancreas "Digestive System." Digestive System. N.p., n.d. Web. 02 Oct. 2015.
10
Excretory system MetanePhora Excretory pore- bodily wastes Nephridia Kidney "Untitled Page." Untitled Page. N.p., n.d. Web. 02 Oct. 2015. https://www.studyblue.com/notes/note/n/mollusks-and-annelids/deck/6225786
11
Circulatory system Gastropods and Bivalves have open systems Cephalopods have a closed system https://www.youtube.com/watch?v=9OIjaHIrM0U https://www.youtube.com/watch?v=9OIjaHIrM0U "Mollusks." - Acadia's Oceanside Meadows Inn. N.p., n.d. Web. 02 Oct. 2015. "Mollusca." Sharon-taxonomy2009-p3 -. N.p., n.d. Web. 02 Oct. 2015.
12
Respiration system All aquatic mollusks have gills "Mussels and Clams (Bivalvia)." Mussels and Clams (Bivalvia). N.p., n.d. Web. 02 Oct. 2015. "Mollusks Kingdom Animalia, Phylum Mollusca (means." Presentation " "soft")" N.p., n.d. Web. 02 Oct. 2015.
13
Support/Skeletal system Mollusks have a exoskeleton(shells) Squids/octopus have a remnant of a shell "2004 MUSSELp Publication & Presentations." MUSSELp. N.p., n.d. Web. 02 Oct. 2015.
14
Reproduction Mollusks reproduce sexually Some are hermaphrodites https://www.youtube.com/watch?v=MxoWakPZtns https://www.youtube.com/watch?v=MxoWakPZtns https://www.youtube.com/watch?v=48_MU9NH2rc https://www.youtube.com/watch?v=48_MU9NH2rc "Roman or Edible Snail (Helix Pomatia)." Roman or Edible Snail (Helix Pomatia). N.p., n.d. Web. 02 Oct. 2015.
15
Gastropods/Univalves Snails/slugs Large class Muscular foot Distinct head with sensory organs Spiral shell "Free Stock Images for Genealogy and Ancestry Researchers: Gastropods, Shells, Slugs, Bivalve Shells, 1885, Marine and Aquatic." Free Stock Images for Genealogy and Ancestry Researchers: Gastropods, Shells, Slugs, Bivalve Shells, 1885, Marine and Aquatic. N.p., n.d. Web. 02 Oct. 2015. https://twitter.com/hashtag/gastropods
16
Bivalves Oysters, clams, mussels, scallops Compressed body Enclosed within a hinged shell http://www.foodsubs.com/Shelfish.html "Barfblog." Barfblog. N.p., n.d. Web. 02 Oct. 2015.
17
Cephalopods Squids/Octopus A prominent head Tentacles Most complex brain of invertebrates "Fascinating Creatures of the World - Squids." HubPages. N.p., n.d. Web. 02 Oct. 2015. "Vancouver Aquarium :: Spotlight On Octopus." Vancouver Aquarium. N.p., n.d. Web. 02 Oct. 2015.
18
Other mollusk facts Mollusks are soft bodied Calcium carbonate Gastro- relation to the stomach Cephalo- relation to the head/skull Pod- foot/feet Pearls Bryner, By Michelle. "How Do Oysters Make Pearls?" LiveScience. TechMedia Network, 20 Nov. 2012. Web. 02 Oct. 2015.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.