Answer:
The correct option is <em>C) investigate the various biotic and abiotic factors that are unique to high altitude.</em>
Explanation:
The survival of the certain species of pine trees only at elevations shows that there will definitely be a biotic or abiotic factor that enhances the growth of the pines at that place. It might be due to abiotic factors like the temperature or soil at high altitude or due to some biotic factor like a mutualistic relationship with organisms at high altitudes. Hence, option C is the correct option.
Contour plowing as it works around the natural ground to keep erosion as low as possible
Answer:
The answer is option is A.
a photopsin is a protein of a photo pigment within cone photoreceptors.
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Mass extinction would be the answer
Answer:
Epithelial tissue
Explanation:
The body tissue that consists largely of material located outside of cells.
