Answer:
The correct answer is - d. the idea that substances can produce germs on their own.
Explanation:
Spontaneous generation is an obsolete theory or idea that supports the production of living things and substances from non-living substances and things.
This purpose is that the living creatures could arise from nonliving matter. In microbiology, it is an idea that says that substances can produce germs on their own even if the substances are not similar.
The green organisms collected from the pond by Ricardo may be plants or protists. It is required to key out these organisms so that they can be differentiated. In order to determine whether or not these organisms are plants, he should check for the key features of plants, such as whether or not the organisms do photosynthesis. and whether these organisms are multi-cellular or unicellular.
The protists may also contain chloroplasts and cell wall made up of cellulose. Therefore, testing for the presence of these features will not help in determining whether the collected organisms are plants or not.
Hence, he should check whether the organisms are capable of doing photosynthesis or not.
Answer:
Sarcoptes scabiei mite, causes Sarcoptic mange dissease.
Explanation:
Dry skin, severe itching and hair loss are common signs of Sarcoptic mange disease, caused by the parasite Sarcoptes scabiei mite. Which creates burrows in the skin, and causes scabies. This parasite it is easily transferred from pig to pig from physical contact.
<span>Fibrin (also called Factor Ia) is a fibrous, non-globular protein involved in the clotting of blood. It is formed by the action of the protease thrombin on fibrinogen which causes the latter to polymerize. The polymerized fibrin together with platelets forms a hemostatic plug or clot over.</span>
It will pick up the nail, because the power of the magnet will go through the paperclip, into the nail
hope this helps :D
