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What Domain, Kingdom and Phylum does this belong to?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Does it have specialized tissues?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Can it bite you?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
What is this? What is missing from this?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
What Phylum does this belong to?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Does this have a mouth? Does it have a separate anus?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
How many different living organisms are shown?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Does this have true tissue (germ layers)?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Which phylum does this belong to? Does it have a foot?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Which phylum does this belong to? Does it have a foot?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Mollusc - 3 body partsVisceral massFootMantle (may make shell)
Which phylum does this belong to? Does it have a foot?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Gastropods - snails, conchs, nudibranchsCephalopods - octopus, nautilus (tentacles)Bivalves - clams, oysters (two shells)
Will this outgrow its shell?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Will this outgrow its home?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Arachnids - no antennae, mandible
- 4 pairs of legs
- spiders, scorpions, ticks
- horseshoe crab
Millipedes, centipedes (many legs)
Arthropods- jointed appendages
- segmented- grow by molting / metamorphosis – CRUNCHY exoskeleton
Insects - head, thorax, abdomen
- 3 pairs of legs (wings)
Crustaceans - forked appendages
- head and thorax fused
- lobsters, crabs, crayfish
- barnacles
- pillbug (land)
Who is he most closely related to?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
This also grows by molting…what phylum does it belong to?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Is it round, flat, or segmented?Does it have a coelom?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Is it round, flat, or segmented?Does it have a coelom?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Does it (a) have segments, (b) have jointed appendages, (c) go ‘crunch’ when you step on it?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Is it round, flat, or segmented?Does it have a coelom?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Does it have an anus?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
What is going on here?
Is the embryo radial or bilaterally symmetrical?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
How does this phylum’s embryo develop differently from other examples we’ve already looked at?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Which is the sea urchin’s closest relative?
porifera cnidarians flatworms mollusks annelids nematodes arthropods echinoderms chordates
Origin of multicellularity
Sea anemone Sea urchin Sea cucumber
Sea squirt
Sea squirt(larva)