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kumpel [21]
3 years ago
6

What is the Marcellus Shale, and why is it so important to ancient ocean life?

Biology
1 answer:
Natalija [7]3 years ago
8 0

The Marcellus Shale also categorized as the Marcellus formation is a marine sedimentary rock unit of middle Devonian age found in eastern North America. It elongates throughout the major of the Appalachian Basin.  

The shale comprises huge unexploited reserves of natural gas, which makes it an attractive target for export and energy development. There are comparatively scarce presences of fossilized marine fauna found in the Marcellus, however, these fossils are still essential to paleontology.  

For example, the Marcellus comprises the primogenital known varied assemblage of thin-shelled mollusks, still possessing well-preserved shell microcomposition. It is also where goniatite, an extinct shelled swimmer identical to a squid, make their initial presence in the fossil record.  


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8 0
2 years ago
Sunlight helps our bodles to produce Vitamin D. In some areas of the United States, there is not enough sunlight during the wint
MatroZZZ [7]

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3 0
2 years ago
Which statement best explains why the population stabilized and why?!
goldenfox [79]

Answer: C. The population size became limited due to factors such as availability of food.

Explanation:

Out of all the choices, C is the most likely to happen since more often then not, food runs out because a species has too many members. C is an example of the environment’s carrying capacity limiting the chipmunk species.

Since we are not told if the chipmunk population is really small, interbreeding may not happen. Predators hunt prey, not eat fruits like chipmunks do (I’m assuming what chipmunks eat.) If there was a predator species that came in, they would hunt the chipmunks instead of competing for the same resources. D just doesn’t make much sense in my opinion because that wouldn’t limit the chipmunk population.

3 0
2 years ago
What is the difference between forward spatter and back spatter?
pashok25 [27]
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4 0
3 years ago
A researcher investigates an organism found on the ocean floor. The organism is asymmetrical. It lacks a body cavity, body tissu
lutik1710 [3]

The correct answer is option A, that is, Phylum Porifera.  

The species of Phylum Porifera are aquatic, that is, mostly marine. They exhibit cellular grade of the body, they are diploblastic animals with asymmetrical symmetry. They lack body cavity and exhibits a holozoic mode of nutrition with intracellular digestion.  

They lack circulatory and nervous system and possess the tendency to regenerate their parts of the body. The organisms in phylum Porifera exhibits both asexual and sexual mode of reproduction.  


4 0
3 years ago
Read 2 more answers
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