Select the concepts emphasized by Ernst Mayr's biological species concept. Check all that apply. 

_____ hybridization between different species
_____ production of fertile offspring within the species
_____ populations in zoos
_____ reproductive isolation from other species


_____ hybridization between different species
__X__ production of fertile offspring within the species
_____ populations in zoos
__X__ reproductive isolation from other species

Biology & Microbiology

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A new species, ________, was recently shown to have two membranes, like a Gram-negative bacterium, but be phylogenetically related to the Gram-positive family Veillonellaceae.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The vegetative body of a fungus is called a ______.

a. thallus b. mycelium c. hypha d. septum

Biology & Microbiology

Which of the following is not a microorganism?

A) fungi B) mosquito C) helminth D) bacteria E) archaea

Biology & Microbiology

The phenotype of an organism is its set of (genes/traits/chromosomes).

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology