Biology, 26.04.2020 03:46 sirinapadeangel
The diagram below represents a series of rock layers found at a particular location. Each different type of shape shown in the layers represents a fossil of a different species.
Suppose each symbol is related to a particular species in the following ways:
A red triangle represents a species of marine crustacean.
A green circle represents a species of jawless fish.
A yellow square represents a species of tree moss.
A purple star represents a species of forest-dwelling insect.
The change shown in the diagram at the end of the Devonian geologic period could best be explained by
A.
the melting of a glacier and development of freshwater lakes and rivers.
B.
the arrival of a new predator in the ecosystem.
C.
the environment changing from ocean to dry land.
D.
the environment changing from a cold climate to a warm climate.
Answers: 1
Biology, 21.06.2019 20:00, vannia
!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.
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Biology, 22.06.2019 00:20, bndkdiwjdjd
What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o
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Biology, 22.06.2019 04:40, adrianna2324
Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening
Answers: 1
The diagram below represents a series of rock layers found at a particular location. Each different...
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