Hormones are chemical messengers transported by the ____ that can have ____
a. blood: stimulatory or inhibitory effects
b. lymph ducts; stimulatory effects
c. ducts; stimulatory or inhibitory effects
d. neurons; stimulatory effects
e. glands; inhibitory effects
a
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matching the descriptions to the
most appropriate function, process, or trait listed below. a. evolution b. reproduction c. photosynthesis d. growth e. homeostasis M 84. a process found only in plants and some bacteria and some protists E 85. a characteristic most organisms exhibit that tends to buffer the effects of environmental change M 86. heritable change occurs in a line of descent E 87. process in which one generation replaces another
The shaggy-mane mushroom lives beneath broadleaf forest trees and aids in decomposition of forest litter. You have just learned something about what specific type of ecological information concerning this fungus?
A) the biosphere B) the population dynamics C) the niche D) the phosphorus cycle
Ecosystem diversity
A. is primarily associated with aquatic habitats. B. is the diversity of animal species within a defined geographical area. C. includes only species-rich ecosystems. D. refers to the structure and function within an ecosystem.
Which of the following was NOT an aspect of Pasteur's experiments to disprove spontaneous generation?
A. The necks of the flasks he used were bent into an S-shape. B. He boiled the infusions to kill any microbes present. C. The flasks were incubated for very long periods of time. D. The flasks were free of microbes until they were opened. E. The flasks he used were sealed with corks.