Carcinomas describe:a
cancers that develop from connective tissue.
b. cancers that develop from muscle.
c. cancers that develop from epithelial tissue.
d. the migration of cancer cells through blood or lymph channels.
e. genes that transform normal cells into cancer cells.
C
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A botanist brings you a leaf from a previously unknown species of plant. The shape of the leaf is eerily similar to a human hand, as if you had put your own hand down on green construction paper, and traced its outline. Starting from the petiole, veins branch out into each ‘finger’ of the leaf, with numerous smaller veins branching off within each finger. What is the most specific description you can assign to this leaf form?
a. compound b. palmately compound c. simple d. pinnately compound
Which of the following is NOT a density dependent, growth-limiting factor?
a. predation b. water shortage c. parasitism d. competition e. disease
DNA fingerprints, such as those first used by Alec Jeffries, reveal variations in _____ between different individuals
a. blood type b. cancer-causing mutations c. transgenes d. the locations of restriction enzyme recognition sites e. STR alleles
When organisms change their behavior to avoid competition, it is called ________.
What will be an ideal response?