The continent of origin for Homo habilis is believed to be ________.

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


Africa

The continent of origin for Homo habilis is believed to be Africa.

Biology & Microbiology

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. "Rapture of the deep" is caused by excessive

____ in the interstitial fluid. a. O2 b. H2O c. CO2 d. CO e. N2

Biology & Microbiology

Plant behaviors are not always easily observed because they:

A. may occur at short intervals B. are mostly internal to the plant C. are mostly caused by internal organisms D. are not observable by the human eye E. are only observable with a microscope

Biology & Microbiology

Who demonstrated the crossover of homologous chromosomes in experiments on corn plants?

a. Frans Janssen and Curt Stern b. Thomas Hunt Morgan and Alfred Sturtevant c. Harriet Creighton and Barbara McClintock d. Walter Sutton and Theodor Boveri

Biology & Microbiology

Which of the following is an example of a positive feedback loop?

a. maintaining body temperature b. blood pH levels c. uterine contractions during childbirth d. blood glucose levels

Biology & Microbiology