Color, size, or other phenotypic differences between males and females are called ____

Fill in the blank with the appropriate word.


sexual dimorphisms

Biology & Microbiology

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Health workers working with diphtheria commonly receive a serum with antibodies against the pathogen. What type of immunity would this be?

a. active, natural immunity b. passive artificial immunity c. active, artificial immunity d. passive, natural immunity

Biology & Microbiology

Nitrogenase is an oxygen-sensitive enzyme even though many diazotrophs are aerobic microorganisms

Indicate whether the statement is true or false.

Biology & Microbiology

The biggest problem facing coastal habitats is not dumping but:

a. overfishing. b. river runoff. c. development. d. offshore oil spills. e. nuclear power plant leakage.

Biology & Microbiology

Prior to the union of the nuclei of the egg and sperm, meiosis II is completed by the ovum

Indicate whether the statement is true or false

Biology & Microbiology