Organisms called <u>pathogens</u> live on or in the body of a host and cause some degree of harm.
<h3>What are pathogens, and where do they live?</h3>
These are the organism that lives inside or over the surface of our body and causes harm to us and they took nutrition from us.
The pathogen which lives inside may be in the form of some bacteria or virus.
The pathogen which causes harm to us by living on the surface of our body is called a parasite. they may reside in the form of some fungi, lice, etc.
<h3>Conclusion</h3>
These pathogens are very harmful to our body whether they live inside or on the surface of it.
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Answer:
Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.
Explanation:
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Two kinds of Fermentation are, Alcoholic and Lactic acid Fermentation.
Answer: A Physical Barrier. ...
Selective Permeability. ...
Endocytosis and Exocytosis. ...
Cell Signaling. ...
Phospholipids. ...
Proteins. ...
Carbohydrates. ...
Fluid Mosaic Model.
Explanation: Have a good rest of the day.
The correct answers are:
- A crack forms in oceanic crust;
- New material pushes older rock away from the ridge;
The spreading of the seafloor occurs at the places where there's divergent plate boundary. In this type of boundary, the plates are moving away from one another. As they move away, they leave a gap behind them and the crust is much thinner. Because the crust is much thinner, the magma from the mantle is able to easily push upwards through the cracks created by the high pressures from bellow. As the magma reaches the seafloor it cools off very quickly, thus creating new crust. Because there's constant magma flows coming from bellow, the new material is pushing the older crust away, which is why the youngest crust is found at the mid-ocean ridges, while the oldest at the subduction zones.