Download Name _____ Hr ____ 1. Origins: 2. List the Characteristics of

Name ________________________________________________ Hr ____
1. Origins:
2. List the Characteristics of Animalia:
3. Explain the two pairs of words:
a. Blastula & Gastrula:
b. Larva & metamorphosis:
c. Radial & Bilateral symmetry
d. Blastopore & Archenteron
4. Germ layers – Label the diagram with the 3 germ layers and tell what they give rise to.
5. What are the different levels of tissue organization & the animals found in each.
6. Fill in this chart comparing protostomes and deuterostomes.
Characteristic
Fate of Blastopore
Cleavage
Formation of Coelom
Protostomes
Deuterostomes
7. Types of body cavities
a. Define each of the following

Acoelomate:

Pseudocoelomate:

Coelomate:
b. Label each picture with any or all of the following:

Types of organism
 Mesoderm
 Type of Coelom
 Endoderm
 Ectoderm
8. List and describe the 3 types of skeletons:
Multiple Choice. Write the correct choice in the box below.
9. Which of the following is/are true of animals?
a. They are heterotrophic
b. They are eukaryotic
c. They are multicellular
d. They lack cell walls
e. All of the choices are true
10. Which one of the following statements is false?
a. Animals are multicellular, heterotrophic
eukaryotes that obtain nutrients by ingestion
b. Most animals are haploid and reproduce using
mitosis
c. Animal cells lack cell walls
d. Hox genes play important roles in the
development of animals
e. When a larval animal changes into an adult that
has a radically different body form, the
transformation is called metamorphosis
11. Animals probably evolved from
a. Plants
b. Lichens
c. Bacteria
d. Protists
e. Fungi.
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12. Which one of the following animals has radial
symmetry?
a. a roundworm
b. an alligator
c. a jellyfish
d. a lobster
e. a flatworm
13. The development of a head where sensory structures
are concentrated accompanied the evolution of
a. Bilateral symmetry
b. A true coelom
c. A mouth.
d. A gastrovascular cavity
e. Legs
14. Which one of the following structures best represents
a hydrostatic skeleton?
a. a spoon
b. an empty coffee mug
c. a water balloon
d. a glass marble
e. a piece of M & M candy
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