________ is the ability to maintain a relatively constant internal environment
Fill in the blank(s) with correct word
Homeostasis
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How do the pyramids of biomass for Silver Springs, Florida, and the English Channel compare?
a. They are both typical of most ecosystems. b. They both indicate that producers are quickly eaten by herbivores. c. The pyramid for Silver Springs is typical of most ecosystems and the English Channel pyramid indicates that producers are quickly eaten by herbivores. d. The pyramid for Silver Springs indicates that producers are quickly eaten by herbivores, and the English Channel pyramid is typical of most ecosystems. e. Both pyramids indicate overgrowth of producers.
Female sand crickets are known to produce two phenotypic variants: long-winged and short-winged. Moreover, these two variants have been shown to allocate different amounts of their energy budget to flight or ovary development, respectively
The development of female crickets into one or the other of these variants is due to ________. A) genetic mechanisms B) developmental mechanisms C) physiological mechanisms D) All of the above.
A membrane-bound sac used to transport substances into and out of cells is a
A.) pump B.) macrophage C.) lysosome D.) vesicle
Suppose the pigmentation of a Labrador retriever's fur is subject to epistasis of the B alleles by the e alleles. B (black) is dominant over b (chocolate brown). E is dominant over e. Homozygous e is epistatic to the black and chocolate genes. Given this information, what genotype would give a yellow (or "golden") retriever?
a. BBEe b. BBee c. BbEe d. bbEE