Answer the following statements true (T) or false (F)
1.The tendency to concentrate sensory organs and brain at the head end of an animal is called cephalization.
2.Centipedes, earthworms, and roundworms all illustrate segmentation.
3.An animal with an indirect development undergoes a metamorphosis in which larvae do not resemble the adult.
4.Flatworms have complete digestive tracts.
5.Flatworms have bilateral symmetry.
1.TRUE
This advanced animal trait allows for conservation of energy expenditures, and central direction of the body metabolism.
2.FALSE
3.TRUE
Be sure to distinguish different forms of development among animal phyla, from their embryos to adult stages.
4.FALSE
5.TRUE
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What will be an ideal response?
Invertebrate chordates include __________ and __________, both marine filter-feeders. Fill in the blank(s) with the appropriate word(s)