Which of the following phyla is unusual, as it is composed of a single species?
a. Gnetophtya
b. Anthophyta
c. Ginkgophyta
d. Coniferophyta
e. Cycadophyta
C
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Orchids, which grow well in regions that are hot and dry during the day and cool at night, are classified as CAM
plants.
a. True b. False
The scientific approach that classifies organisms based on evolutionary relationships is known as ____
a. comparative morphology b. evolutionary ecology c. taxonomy d. cladistics e. genetics
Class II MHC genes code for
A. all HLA antigens. B. certain secreted complement components. C. receptors located primarily on macrophages and B cells. D. self receptors recognized by T lymphocytes. E. All of the choices are correct.
The definition of (fermentation/cultivation/processing) used by food microbiologists is a desirable change in food due to microbial activity.
Fill in the blank(s) with the appropriate word(s).