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9966 [12]
3 years ago
10

How can a physical change to an environment affect the number of organisms in an ecosystem?

Biology
1 answer:
maria [59]3 years ago
5 0

It can cause a chain reaction. Every cause has an effect.

Example: Someone throws a cigarette out their window, causing a grass fire

Scenario A: A prairie dog population was killed in the grassfire simply because they had no time to escape.

Scenario B: The grasshoppers don't have grass to eat, so the prairie dogs don't have meat to survive because the grasshoppers are starving. Either way, the person who threw the cigarette caused a decrease in the population.

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A meteoroid is called a ‘meteor when it enters the earth's atmosphere, catches fire and burns brightly. Meteors are also called
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When meteoroids enter Earth's atmosphere at high speed and burn up, the fireballs or “shooting stars” are called meteors. When a meteoroid survives a trip through the atmosphere and hits the ground, it's called a meteorite.
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3 years ago
Hyaluronic acid fillers may be longer-lasting than previously described: A case report of delayed filler-associated facial cellu
chubhunter [2.5K]

The most popular injectable augmentation product is a hyaluronic acid-based filler because it is more effective and safe than other injection fillers. Although the problem of infected filler is well established, it is unclear how long the filler will last before being absorbed. A case of hyaluronic acid-based filler-exacerbated facial cellulitis that occurred 2.5 years after filler administration was presented.

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Injectable filler is a soft tissue filler that can be injected into the skin at various depths to smooth out facial wrinkles, add volume to the face, and enhance facial characteristics.

  • When it comes to filling up wrinkles, creases, and sagging skin, hyaluronic acid fillers are a fantastic alternative. The procedure is not overly intrusive, the results show up right away, and it takes six to 18 months to complete.

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8 0
2 years ago
What neural and hormonal mechanisms control digestion?
Murrr4er [49]

Answer: Vagovagal reflex control circuits in the dorsal vagal complex of the brain stem provide overall coordination of gastric, small intestinal, and pancreatic digestive functions.

Explanation:

6 0
3 years ago
Need help with this question, please thanks
Karo-lina-s [1.5K]

Explanation:

Cell theory states that living things are comprised of cells, as their smallest units capable of functioning. Microscopy helps to prove this, as cells and their varying components can readily be seen, observed and later classified. Their components and molecules require the closed system of the cell in order to function with different arrangements and features being key to certain phyla, groups and species; this aided in the reclassification of organisms into the kingdoms and phyla we know today.

Theories are repeatedly testable observations about phenomena  in the natural world; they are based on a rigorous review process, that, includes experimentation and evaluation.If new information about these phenomena  is made available by technological advancement, novel observations can be incorporated into experiments, which would change cell theory.

Learn more about cellular life at brainly.com/question/11259903

Learn more about tissue types at brainly.com/question/8487952

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6 0
3 years ago
2. Which of the genotypes listed above would provide the strongest evidence that the alleles for blood type are co-dominant? Ple
Ket [755]

Answer:

AB

Explanation:

Blood group is discovered by famous scientist Karl Landsteiner in the year 1990. Co-dominance is the expression of the two alleles in the heterozygotes. In AB type, the two different alleles are present and they are expressed.

However in ABO type, it is govern by three allele namely A, B and O type. If only the antigen A is present, it is called A blood type. When only B antigen is present it is called B blood type and when both A and B are present, it is called AB blood type. And if neither of the antigen are present, it is called the O blood type.

The allele O is of recessive to both the blood type A and B. So a person with O blood type have two copies of O allele. But however A and B blood type are dominant of O, a person with A blood type may have one of the two genotypes --  AO or AA. Similarly, with blood type B, the genotypes are BO or BB.

3 0
3 years ago
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