The evolution of horses involves primarily anagenesis

Indicate whether the statement is true or false.


ANS: F, cladogenesis

Biology & Microbiology

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Fungi are decomposers and obtain their food by _________ the organic molecules released by the action of secreted enzymes.  

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

Biology & Microbiology

The short appendages on some pathogenic bacteria that provides adhesion to host cells are called

What will be an ideal response?

Biology & Microbiology

________________ is defined as an organism's expressed physical traits.

a) Phenotype b) Genotype c) Heritable trait d) None of the above

Biology & Microbiology

Divergence time estimates based on molecular clocks are

A) best interpreted with caution, since they depend on assumptions that are difficult to test. B) likely to be correct regardless of the genes used or the groups of organisms. C) more reliable than divergence dates that are based on analysis of the fossil record.

Biology & Microbiology