Similar to the stomach, the inner layer of the urinary bladder wall has deep folds called ______ that disappear as the bladder fills

Fill in the blank(s) with correct word


Answer: rugae

Biology & Microbiology

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An ectopic pregnancy results when

A) an oocyte that has not been fertilized implants in the uterus. B) more than one oocyte is fertilized. C) a fertilized ovum begins to develop in a blocked uterine tube. D) a fertilized ovum begins to develop while attached to the cervix.

Biology & Microbiology

During which period did club mosses dominate the landscape?

a. The Permian b. The Devonian c. The Carboniferous d. The Silurian

Biology & Microbiology

A ________ [two words] is the evolutionary history of an ancestral lineage and its descendants

Fill in the blank(s) with correct word

Biology & Microbiology

Genetic drift cannot eliminate a beneficial allele from a population.

a. true b. false

Biology & Microbiology