If you were to take a cross section of a tree from the tropics, would you be able to determine the accurate age of the
tree? Why or why not? What will be an ideal response?
Concepts to Consider: No. Annual rings can be seen as differences in cell size between
secondary xylem formed during the summer of the previous year (when water is less
plentiful) and the following spring (when water is abundant). Tropical climates often have
year-round precipitation patterns, which may alter the number of rings shown in the trees, so
an accurate determination of age is unlikely.
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Which cellular process will cause cells to become specialized?
a. Apoptosis b. Differentiation c. Gastrulation d. Fertilization e. Embryonic induction
Which of the following is NOT a fat soluble vitamin?
a. A b. C c. D d. E e. K
Many plants use ________ defenses, such as hairy leaves, thorns, or spines, to deter herbivory
Fill in the blank(s) with correct word
Round pea shape (R) is dominant over wrinkled pea shape (r). If a round pea has a wrinkled parent, the round pea is
A) recessive. B) RR. C) Rr. D) haploid. E) rr.