Members of this Ecdysozoan phylum are so plentiful in soil and other places that they may be the most
abundant animals on Earth. Commonly called roundworms, it is estimated that more than half a
million living species of them exist, although only about 80,000 have been described.
a. Arthropoda
b. Onychophora
c. Nemertea
d. Annelida
e. Nematoda
E
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The introduction mentions three out of four major tissue types found in animals. The tissue
that is not mentioned is __________ tissue.
a. nervous b. brain c. blood d. fat
If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is the ________.
A. capsule B. cell membrane C. endospore D. cell wall E. slime layer
Answer the following questions true (T) or false (F)
1. If an Rh-positive woman marries an Rh-negative man, their children are at risk for hemolytic disease of the newborn. 2. Infection with certain viruses may lead to the development of type I diabetes. 3. Depletion of the helper T cell population by HIV results in the development of AIDS.
In high intensity activity, what compound is used to restore ATP?
What will be an ideal response?