Which pair of words is incorrectly matched?
a. tail end ? posterior
b. mesoderm ? muscles
c. coelom ? n? body cavity
d. deuterostomes ? radial cleavage
e. triploblastic ? bilateral organism
c
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A lymph capillary is composed of ____
a. a single layer of endothelial cells surrounded by collagen fibers b. a single layer of endothelial cells surrounded by elastic fibers c. collagen fibers only d. elastic fibers only e. a single layer of endothelial cells only
Which health problem is most likely to contribute to erectile dysfunction?
a. Circulatory problems b. Osteoarthritis c. Obesity d. Pancreatitis e. Chronic back pain
The "total amount of money" earned by a business is to "money earned by regular sales" plus the "extra money earned through increased customers when a business voluntarily performs a community service" as:
a) direct fitness is to the sum of indirect fitness and kin selection. b) alarm calls are to the sum of personal alarm calls and community alarm calls. c) total selection is to the sum of kin selection and reciprocal altruism. d) kindness towards individuals is to the sum of kin selection and indirect fitness. e) inclusive fitness is to the sum of direct and indirect fitness.
The cells of the immune system that are responsible for producing antibodies are the:
a. neutrophils b. monocytes c. B-lymphocytes d. T-lymphocytes