Sediments that are composed of the remains of once living organisms are called:

a. cosmogenous.
b. hydrogenous.
c. inorganic..
d. biogenous.
e. terrigenous.


D

Biology & Microbiology

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True or false: Fetal movement can first be felt by the mother in the second trimester of development

A. true B. false

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In female mammals, oogenesis

A. occurs in the uterus. B. requires the production of primary oocytes at puberty. C. is cyclical. D. requires progesterone. E. is a continuous process throughout adulthood.

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Which genetic event is a source of new alleles within a population?

a. Mutation b. Crossing over during Meiosis I c. Independent assortment during Meiosis I d. Change in chromosomal number e. Fertilization

Biology & Microbiology

The cowbird chick with its foster parent exemplifies an example of ____

a. commensalism b. brood parasitism c. competition d. mutualism e. parasitoidism

Biology & Microbiology