What is the life history adaptation called where organisms produce offspring several times over many seasons?
A. Iteroparity
B. Alloparity
C. Polyparity
D. Biparity
E. Semelparity
Answer: A
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All of the following traits are characteristics found in the stems of eudicots except ________
a. centers of stems composed of pith b. vascular bundles arranged in a cylinder around the outside of the stem c. vascular bundles distributed throughout ground tissue d. outer layer of epidermis
Which of the following methods can be used to create competent bacterial cells?
A) Treating the cells chemically B) Exposing cells to a strong electric field C) Making the cell membrane more permeable to DNA D) Allowing the culture to enter stationary phase growth E) A, B, and C only
In general, mutation rates in humans are ________
Fill in the blank(s) with correct word
The phenomenon known as phototropism is due to the plant hormone ________, which regulates cell growth.
A. cytokinin B. gibberellin C. abscisic acid D. auxin