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Alla [95]
3 years ago
13

An ischemic stroke involves ________ within the brain. an infection of glial cells vasodilation obstruction of blood flow sheari

ng of blood vessels bleeding
Biology
1 answer:
spin [16.1K]3 years ago
6 0
An ischemic stroke is the sudden loss of blood flow to an area of the brain. It results in loss of neurological function.

Ischemic stroke involves the obstruction of blood flow within the brain. The obstruction can be caused by a thrombotic or embolic occlusion of an artery in the brain.  
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NEED HELP QUICK PLEASE HELP
kozerog [31]

Answer:

Question 1

D

Question 2

C

Question 3

D

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

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mezya [45]
A. punnet square       The punnet square is used to help determine genetic things using the parents as a guide like the color of a rose if something will be tall or short  hope you ask more Qs like this i # luv science. heheheheheh hahahahahaha
3 0
3 years ago
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