Name:____________
Date:_____________
Block:____________
Total _______ / 16 points
Worksheet 1: Introduction to Animal Diversity
1) All animals are (0.5 points)
a) unicellular
b) heterotrophic
c) bilaterally symmetrical
d) carnivores
2) Fill in the blanks:
The levels of organization become ________ as animals become more complex (1 point).
3) Which term does not belong? (1 point)
multicellular, heterotroph, eukaryotic, cell wall
3) Compare free-living organisms and parasitic organisms. (2 points)
4) Draw a human, sea anemone and a dog (or a wooly marmot) and label each drawing using as many of the following terms as appropriate: radial symmetry, bilateral symmetry, anterior, posterior, dorsal, ventral, sessile, motile (7.5 points).
5) Why are specialized cells needed in multicellular animals? (2 points)
6) What are two body parts that are evidence of cephalization? (2 points)
