37. C
38. A
39. E
40. C.
41. D
Endemic species and were studied by Charles Darwin<span> during the voyage of the Beagle. His observations and collections contributed to the inception of Darwin's theory of evolution by natural selection....
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Answer:
Invasive plants tend to deplete soil health in grasslands by reducing biodiversity and eliminating native species. The shift towards an invasive plant monoculture is accomplished through a variety of strategies including competition for soil moisture, changing soil chemistry, shading and space.
The human skin is the protective layer of the human body against the external forces like the temperature, sharp objects, microbes, fungi and other related materials that can penetrate and weaken the body however, the integumentary system prevents any harm come to the organism. The dermis is the skin area which has different structures that perform different functions.
You would draw arcing lines drawn from each of the poles to the other pole and meet in the middle.