Animal Evolution Animal Classification Invertebrate Phyla.

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Presentation transcript:

Animal Evolution

Animal Classification

Invertebrate Phyla

Phylum mollusca

Definitions

Miscellaneous

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

What term describes animals coming from a common ancestor?

Monophyletic

What branch has no true tissues?

Parazoa

What branch has 2 groups based on symmetry (Bilateral & Radial)?

Eumetazoa

What branch do flatworms and roundworms fall into?

Acoelomates

What is the difference between a protostome and a deuterostome?

D- first open is anus

What do you call a group of families?

An order

What is a group of classes?

phyla

What is the largest classification?

Kingdom

A group of genera makes a…

Family

List all 7 steps of the animal classification ladder IN ORDER.

Kingdom Phylum Class Order Family Genus Species

What phylum are sponges in?

Porifera

What phylum are flukes and tapeworms in?

platyhelmenthes

What phylum are pinworms and hookworms in?

nematoda

What phylum are snails in?

Mollusca

What class are earthworms in?

Oligochaeta

Name one animal in class cephalopoda.

Squid/octopus

What body part contains the most organs?

Visceral mass

What body part do clams use to move?

Muscular foot

How do squid move?

Shoot water out of the excurrent siphon

What are the 3 body parts of a mollusk?

Muscular foot, visceral mass, mantle

Where water exits a sponge?

Osculum

Pores that enter in a sponge?

Spongocoel

Type of symmetry that has a top and bottom only.

Radial

Type of symmetry that has a top, bottom, left, and right.

Bilateral

Organism that produces both sperm and egg.

Hermaphrodite

What is the name of the stinging cells in phylum cnidaria?

Nematocysts

What is the difference between a polyp and medusa form of cnidaria?

P-up M-down

What is the result of sperm and egg joining together?

Zygote

What is the hollow ball of cells that form from a zygote?

Blastula

What forms after a blastula?

Gastrula