DNA sequencing data suggest that evolutionary changes are related to an accumulation of:
a. index fossils.
b. vestigial organs.
c. convergent structures.
d. homologous structures.
e. changes in DNA nucleotide sequences.
e
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The process often referred to as "cellular eating" is
A. osmosis. B. pinocytosis. C. phagocytosis. D. diffusion. E. active transport.
Which four features do humans share with tunicates?
a. notochord; dorsal hollow nerve cord; pharyngeal slits in the embryonic stage; jaws b. vertebrae; lungs; amniotic egg; four-chambered heart c. notochord; dorsal hollow nerve cord; pharyngeal slits in the embryonic stage; a postanal tail in the embryonic stage d. notochord; vertebrae; lungs; amniotic egg e. vertebrae; bony skeleton; lungs; amniotic egg
A cross involving one gene between two heterozygous parents is called a(n) ________
Fill in the blank(s) with correct word
Recent analysis indicates that the chytrids are the most primitive division of fungi and that a single event resulted in the loss of flagella in the more advanced fungi.
Answer the following statement true (T) or false (F)