All Echinodermata are found:a
in marine habitats.
b. in freshwater.
c. on land.
d. on the bottom of the ocean or lakes.
e. in shallow ocean waters.
A
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In female mammals, germ cells are
A. not produced until puberty. B. arrested in meiosis I until puberty. C. fully mature gametes at birth. D. arrested in meiosis II until puberty. E. arrested in mitosis until puberty.
Which of the following statements about lycophytes is correct?
A. The megaspores will develop into female gametophytes. B. Lycophytes were the first land plants to evolve megaphylls. C. The microspores will develop into female gametophytes. D. The megaspores will develop into male gametophytes.
Which of the following functions is NOT a function of the human skeletal system?
A. provides the ATP for muscles to use in contraction B. acts as a structure against which muscles can contract C. protects internal organs D. acts as the site of blood cell production in adults E. acts as a storage site for calcium and phosphorus ions
Oomycetes are primarily ________ that destroy crops such as grapes and potatoes
Fill in the blank(s) with correct word