Exercise 8; Animal Kingdom & Sponges

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Flatworm

Bilateral

Human

Bilateral

Insect

Bilateral

Mollusca

Bivalves, Gastropods, Cephalopods

Arthropoda

Insects

Sponge

No symmetry

Define cephalization

The development of the head

Name the bones that form the dorsal, medial, longitudinal axis of the skeleton

Vertebrae

What does sessile mean?

does not move on its own

What is the difference between a pseudocoelomic cavity and a coelomic cavity?

not completely lined with mesoderm; lined with mesoderm

Humans have set of three fused caudal vertebrae-these vertebrae are commonly known as the _____

sacrum

Name a bone located proximally to the elbow joint.

Humerus

Name a diploblastic organism you examined today

Hydra

List the characteristics of organisms belonging to kingdom Animalia

-Heterotrophic -No cell wall -Most of them are motile

Grantia spicules are composed of what substance?

Calcite

Name a bone that is transversely oriented

Clavical or ribs

Amoebocytes

Digestion

Chordata

Dog

Annelida

Earthworm

List the three germ layers that develop in a bilaterally symmetrical animal.

Ectoderm, mesoderm, endoderm

Name the bone which articulates laterally with the pelvic girdle

Femur

Name the bone with articulates laterally with the pelvic girlde

Femur

Platyhelminthes

Flatworms

Compare the texture of a bath sponge to a glass sponge

Glass sponge is more coarse & sharp

Porocytes

Make the pores

Name the bones distal to the carpals.

Metacarpals & Phalanges

Choanocytes

Moving the water through

Water leaves the sponge through what opening?

Osculum

Name a triploblastic organism you examined today

Planaria

Jellyfish

Radial

Nematoda

Roundworms

In the space below, list the bones of the upper limb in order beginning with the most proximal bone first

Scapula, Humerus, Radius&Ulna, Carpals, Metacarpals, Phalanges

Cindaria

Sea Anemones & Jellyfish

What type of spicules are found in a glass sponge?

Silica

Porifera

Sponges

Echinodermata

Starfish

How do sponges obtain nutrients?

they filter the water when it comes through


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