The first plants clearly evolved from an organism that, if it existed today, would be classified as a multicellular green ___________.  

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


algae

Biology & Microbiology

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Viruses _______________

a. are living pathogens b. are intracellular pathogens c. reproduce asexually d. do not have genetic material

Biology & Microbiology

Which of these has never been observed in a viable human birth?

A) YO male B) XO female C) XXY male D) XXX female

Biology & Microbiology

A collection of sensory neurons and interneurons that are concentrated together is called

a) cephalization b) a cerebrum c) a nerve net d) a ganglion

Biology & Microbiology

What is the extracellular, metabolically inert, and infective form of Chlamydia?

A. Reticulate body B. Elementary body C. Replicate body D. Initial body

Biology & Microbiology