The term that refers to flagella at both poles of the cell is ________.
A. atrichous
B. peritrichous
C. monotrichous
D. lophotrichous
E. amphitrichous
Answer: E
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A sporic life cycle is NOT characteristic of which of the following groups?
A. ginkgos B. angiosperms C. mosses D. conifers E. charophyceans
Organisms that reproduce sexually have ________ as sex cells that carry the genetic information from each parent.
A. diploid gametes B. diploid morulas C. diploid zygotes D. haploid gametes E. haploid zygotes
__________ results in an early embryo that has two or three primary tissue layers. Fill in the blank(s) with the appropriate word(s)
If the formation of the endoderm does not take place in an embryo, yet the embryo, for whatever reason, continues to develop, which of the following structures will NOT develop?
A) Skin B) Nervous system C) Heart D) Kidneys E) Stomach