What is the function of the generative cell in conifers?
A. Growth of the megaspore
B. Dispersal of the pollen
C. Production of the archegonium
D. Formation of the sperm
E. Maturation of the female cone
D. Formation of the sperm
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During the process of phlebotomy, drawing a blood specimen from a patient, the action of cleaning the area on the skin prior to the insertion of the needle requires the application of a(n):
a. chemical sterilant. b. bacteriostatic agent. c. alcohol. d. antiseptic.
Which benefit, derived from biodiversity, would be categorized as an ecosystem service?
a. the anticancer drug Taxol, derived from the yew tree b. plants and fruits that are edible by humans c. cotton and other useful plant-derived fibers d. decomposition of wastes e. wild organisms as a source of genes for genetic engineering
All of the organisms living together in a particular habitat and their interactions with their non-living environment are called which of the following?
a. biomes b. populations c. ecosystems d. communities
All of the members of the same species occupying the same area at the same time constitute a(n):
a. individual b. population c. community d. ecosystem e. biosphere