When male and female hangflies mate, the number of sperm transferred to the female increases linearly with an increased time of mating. What determines the length of time that male and female hangflies mate?

What will be an ideal response?


The size of the prey items provided as nuptial gifts presented by the male to the female.

Biology & Microbiology

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When a plant cell is placed in a hypotonic solution, the cell wall prevents ____

a. plasmolysis b. diffusion c. active transport d. the cell from bursting e. the cell from shrinking

Biology & Microbiology

The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ________.

A. photosynthetic bacteria B. archaea C. cells with a true nucleus D. the last universal common ancestor

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A bacterium that uses the oxidation of inorganic compounds to provide energy for manufacturing nutritious organic

compounds is a: a. parasite. b. pathogen. c. saprotroph. d. chemoautotroph. e. photoautotroph.

Biology & Microbiology

Receptors are made from membrane-bound polyribosomes.

a. true b. false

Biology & Microbiology