How are most animals classified? |
What are the main characteristics of chordates? |
How are vertebrates classified? |
What are heterotrophs & give some examples. |
In what ways do animals differ from plants? |
What are tissues? |
What determines an animal’s body plan? |
In what habitat do you find most species of animals? |
What is bilateral symmetry? |
What does bipedal mean? |
Where are the dorsal & ventral surfaces on a bipedal organism? |
What is radial symmetry? |
Name invertebrates that are asymmetrical, radial symmetry, & bilateral symmetry. |
What does cephalization mean? |
What invertebrate group was first to show cephalization? |
Describe the “surfaces” of animals with radial symmetry. |
Why is cephalization an advantage for animals? |
What is a postanal tail & give examples of adult chordates with this characteristic? |
Describe the “skeletal” support found in roundworms. |
What is segmentation, & what animals exhibit this characteristic? |
What is the function of kidneys, and what organisms have these organs? |
How do closed & open circulatory systems differ? |
How are terrestrial animals protected against water loss? |
What structures show segmentation in vertebrates? |
What is the advantage of having a long intestinal tract? |
How are nutrients moved through a cnidarian’s body? |
Describe how spiral cleavage occurs. |
Describe the embryo at the start of gastrulation. |
What forms from endoderm in cnidarians. |