Geography, 04.04.2020 14:06 JaneciaMoss4490
Before the Industrial Revolution, a light-colored variety of peppered moth was well camouflaged among light-colored lichens that grew on the bark of trees around London. A dark-colored variety of the peppered moth probably existed but was rarely observed because it was so easily seen by birds and eaten. When industry was introduced in London, soot killed the pollution-sensitive lichens, exposing dark tree bark. As a result, the dark- colored variety of the moth became the better carnoutlaged of the two moth varieties.
57.
In this situation, what is the relationship between the birds and the moths?
(1) producer-consumer
(2) predator-prey
(3) parasite-host
(4) autotroph-heterotroph
Answers: 2
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The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.
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Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.
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Before the Industrial Revolution, a light-colored variety of peppered moth was well camouflaged amon...
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