Darwin was the first person to draw an evolutionary tree, a diagram that represents
A) records of breeding in domesticated animals.
B) records of lineages in humans (also known as a family tree).
C) evidence-based hypotheses regarding our understanding of patterns of evolutionary descent.
D) groupings of organisms based on overall similarity.
Answer: C
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A. Presence of calcium dipicolinate B. Spore coat C. Low water content of endospore D. Lower pH E. All of the choices are correct.
Sheep do not normally show symptoms of age until
they are about ten years old. Dolly showed symptoms of arthritis at a. one month. b. one year. c. two years. d. five years. e. eight years.
A lipid is a(n) ____
a. polar hydrocarbon b. polar peptide c. nonpolar peptide d. ionic polar hydrocarbon e. nonpolar hydrocarbon
What tissue conducts water and dissolved minerals from the roots to the stems and leaves?
a. collenchyma b. epidermis c. periderm d. xylem e. phloem