What do these have in common?

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Presentation transcript:

What do these have in common?

They are plankton (organisms that drift)

Means of plankton collection

phytoplankton Autotrophic by photosynthesis Must stay in photic zone

coccolithophore Calcium carbonate shells

Cyanobacteria (a.k.a. blue green algae) Creates 50-90% of world’s oxygen 1st photosynthetic organism Blooms can create hypoxia

Diatoms Silica shells

dinoflagellates Use flagella to swim toward light Can bioluminesce

So can “firefly squid”

Dinoflagellates are also responsible for “red tide”

Zooplankton (heterotrophic animals and protists) Can be holoplankton (whole life as plankton) or meroplankton (larval forms of nekton)

Jellyfish and siphonophores

Zooflagellates and cilliates

foraminifera Calcium shells make ooze, which makes chalk and limestone

radiolarians Silica shells also contribute to ooze

crustaceans (ex. Krill and copepods)

Nekton Larvae Echinoderms (spiny skin, radial symmetry) Mollusks (muscle foot, mantle) Arthropods(crustaceans, jointed foots, exoskeleton) Annelids (worms) Chordates (have backbones)

echinoderms Larval starfish

mollusks Larval octopus

crustaceans Larval barnacle

vertebrates

DESIGN YOUR OWN PLANKTON common name What used to maintain buoyancy Latin name Energy source Phyto- or zooplankton Nutrient source Holo- or meroplankton Means of locomotion Location on Earth Other unique characteristics Specific habitat Size Solitary or colonial

Krous PPT

Diatoms

Appendages to slow sinking Planktoniella sol has a marginal ring to increase surface area

Coccolithophores

Dinoflagellates

Life Cylce of Pfiesteria piscicida

What’s wrong with this picture? Someone was sleeping in oceanography!

Radiolarians

Foraminifera

Foraminifera sand from Okinawa, Japan

Copepods

You need to be at least 17 to view this R-rated slide

Which is more resistant to sinking Which is more resistant to sinking? One is a warm water copepod and the other is a cold water copepod. Cold salty water is more viscous (resistant to flow) than warm

Echinoderms plankton tow echinoderm larvae lobster plankton

Match the meroplankton with their…

…adult stage

Plankton? Yes! spongebob jellies