Characteristics of headwaters include:a
fast flow, high oxygen, and free-floating vegetation.
b. fast flow, low oxygen, and free-floating vegetation.
c. fast flow, high oxygen, and streamlined animal bodies.
d. fast flow, high oxygen, and free-floating vegetation.
e. slow flow, high oxygen, and free-floating vegetation.
C
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What sensory receptors sense stimuli that arise from within the body?
A. gustatory receptors B. photoreceptors C. interoreceptors D. ampullae of Lorenzini E. exteroreceptors
The walled asci contain
a. eight diploid nuclei b. eight haploid nuclei c. many multinucleate conidia d. an egg and a sperm e. a zygote
Proteins are made of building blocks called what?
A) amino acids B) lipids C) carbohydrates D) nucleic acids
Wild cherry (Prunus avium) is a tree that is native to Europe and parts of Asia and Africa. It has been widely cultivated by humans for its fruit, which are also attractive to birds. Based on this information, wild cherry is most closely related to which of the following plants?
A. pine trees B. liverworts C. roses D. mosses E. ferns