Lesson 8 Study Guide "Invertebrates & Vertebrates"

Which of the following features or characteristics define animals?

• Multicellular, heterotrophic, lack cell walls, capable of movement at some stage

• Unicellular, autotrophic, have cell walls, stationary

• Multicellular, autotrophic, have chloroplasts, stationary

• Unicellular, heterotrophic, have cell walls, capable of photosynthesis

Body Symmetry – Which of the following is an example of radial symmetry?

• Jellyfish

• Human

• Dog

• Earthworm

Fill in the blank: Pseudocoelom – cavity partly lined with partly mesoderm; partly endoderm. Phylum ________

• Nematoda

• Annelida

• Arthropoda

• Mollusca

Fill in the blank: No Coelom – No fluid filled body cavity; filled with tissue. Phylum ________

• Platyhelminthes

• Annelida

• Arthropoda

• Mollusca

Which of the following phyla have a true coelom (eucoelomates)?

• B) Mollusca

• C) Arthropoda

• F) All of the above

• A) Annelida

• D) Echinoderms

A hydrostatic skeleton is:

• a structure found in some animals that is supported by fluid pressure within the body cavity

• a skeleton made entirely of bones

• a rigid external shell that protects the body

• a structure made of cartilage and ligaments

During development, the first opening in protostomes becomes the mouth.

• True

• False

Which phyla are protostomes?

• Arthropods

• Mollusks

• Annelids

• Chordates

• A, B, and C

Which phylum is a deuterostome?

• Arthropods

• Mollusks

• Annelids

• Chordates

What type of symmetry do Porifera exhibit?

• No symmetry

• Radial symmetry

• Bilateral symmetry

• Spherical symmetry