Mucus traps foreign particles and germs, protecting the body (especially the trachea)
The answer is variable. This is a vital part of any experiments and science projects this is basically any factor that can be controlled, changed, or measured in experimentation. Scientific experiments have quite a few types of variables. The independent variables are the ones frequently plotted on a chart or graph, but there are other kinds of variables you may come across like the dependent and controlled.
Answer:
It is the process where the plants use sunlight to gain their food.
Explanation:
Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
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"Directional selection" will most likely occur.
<u>Answer:</u> Option B
<u>Explanation:</u>
Directional selection or positive selection is an organic selection mechanism in population genetics, this scrutiny is an intense phenotype is preferred over certain phenotypes, allowing the intensity of the allele to migrate over moment towards that phenotype.
For an instance directional selection are fossil statistics showing that the scale of black bears in Europe diminished throughout ice ages interglacial phases however grew at each glacial period. A further example is the scale of the beak in a finch group.