A monophyletic group is a group that

A) descended from one ancestor.
B) has the same fitness level.
C) possesses one taxonomic trait that is the same.
D) shares one phylogenetic marker.


Answer: A

Biology & Microbiology

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One piece of evidence in support of the endosymbiotic theory is that ____

a. mitochondria, plastids, and bacteria have cell walls of the same composition b. mitochondria and plastids are similar in size to bacteria c. mitochondria and plastids are similar in structure to archaea d. plastids can live free of a eukaryotic cell e. mitochondria and cyanobacteria process energy similarly

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What complex polysaccharide imparts flexibility to the unevenly thickened cell walls of collenchyma cells?

a. pectin b. cellulose c. lignin d. starch e. wax

Biology & Microbiology

An organism's ________ is its lifetime pattern of growth, development, and reproduction

Fill in the blank(s) with correct word

Biology & Microbiology

What serves as the "model" for endochondral ossification?

What will be an ideal response?

Biology & Microbiology