The pattern of species evolution known as ________ is one of branching in which an ancestral species gives rise to two or more new species
Fill in the blank(s) with correct word
cladogenesis
Biology & Microbiology
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The number of flower parts in monocots are in multiples of ______.
a. three b. four c. five d. many whorls
Biology & Microbiology
Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?
A) receptor tyrosine kinase B) G protein-coupled receptor C) ligand-gated ion channel D) intracellular receptor
Biology & Microbiology
Which of the following is the highest (or most complex) level of structure for genetic material?
A. double helix B. nucleotide C. gene D. chromosome E. DNA
Biology & Microbiology
Bilateral symmetry is characteristic of a(n) ____
a. cnidarian b. roundworm c. echinoderm d. corals e. flatworm
Biology & Microbiology