Answer:
D. toxins
Explanation:
<u>Toxins are not microorganisms</u>, in fact they are non-living substances/chemicals which can cause infection in our body. Toxins may be produced by microorganisms but they are themselves not microorganisms. Some of the examples of toxins produced by microorganisms are botulinum toxin A, tetanus toxin A, muscarine etc.
Other options can refer to potentially infectious type of microorganisms. Option A. talks about microbes, among microbes some are pathogenic. Option B. talks about pathogenic, as the name indicates will be infectious for sure.
Option C. talks about nonpathogenic, it may be non pathogenic at a time but later on it can be pathogenic. For example: some vaccines use inactivated microbes which are non pathogenic for generating antibodies in the body but later on in the human body when they get optimum conditions for growth they can turn pathogenic and start infecting our body.
Explanation:
Positive Feedback Loop
The direction is maintained, not changed, so this is positive feedback. Another example of positive feedback is uterine contractions during childbirth. The hormone oxytocin, made by the endocrine system, stimulates the contraction of the uterus. This produces pain sensed by the nervous system.
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Answer:
The correct answer is - option D. Soil erosion.
Explanation:
Soil erosion is a normally happening process that has an impact on all landforms. In common agriculture soil erosion alludes to the removing or disintegration of a field's top layer by the normal physical powers of water
Running water is the main source of soil erosion since water is plenty of quantity and has great power. Exercises that eliminate vegetation upset the ground, or permit the ground to dry are exercises that expand disintegration.
Thus, the correct answer is - option D. Soil erosion.
Many owls eat small rodents and similar critters. So let's say the rabbit population might grow if owls weren't there to keep the numbers down.
<span>Foxes probably eat the same sort of small rodents. So if owls weren't there, foxes would have more food to themselves, so their population might go up. </span>
<span>And if foxes had more small rodents to eat, they would eat relatively less of any one species. So if they had plenty of rabbits to eat, they might eat less squirrels, so the squirrel population would go up.</span>
They are also similar in that during both processes, ATP is produced for the cell to use. ~ Fermentation and cellular respiration differ in that fermentation does not require oxygen<span> while cellular respiration does.</span>
