The diagram below represents a series of rock layers from a single 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 green square represents a species of carnivorous dinosaur. A yellow triangle represents a species of fern tree. A blue star represents a species of conifer tree. A purple circle represents a species of early amphibian. A red starburst represents a species of beetle. Judging from the diagram, which statement is true? A. The carnivorous dinosaur species lived at the same time as the conifer tree species. B. The fern tree species lived at the same time as the beetle species. C. The carnivorous dinosaur species lived after the early amphibian species. D. The fern tree species lived before the early amphibian species.
Answers: 2
Biology, 22.06.2019 04:00, axelsanchez7710
Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.
Answers: 2
Biology, 22.06.2019 07:50, kkstone
One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions, because prokaryotes don't have nuclei.
Answers: 3
The diagram below represents a series of rock layers from a single location. Each different type of...
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