D. all of the above
should be the answer on the pretest
ovulation
Explanation: ovulation is the release of eggs(ova) from the ovaries is the cycle of change which occurs in female reproductive system for a month.
It is important to protect biodiversity because it is the key to a sustainable and productive ecosystem. Biodiversity enables most, if not all, of the niches of an ecosystem to be filled. It also serves to protect the food web within the ecosystem, for the higher the biodiversity the lower the effects of removing or changing a species.
The increase of acidity in the ocean waters can have a great impact in the living organisms in it. Most especially that the earth’s ocean had a pH of 8.2. In recent years, it has dropped to 8.1. This change might affect the ocean environment in a way that t<span>he skeletons of coral will become soft due to increased acidity. The answer for this would be option A. Hope this helps.
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Answer:
oxgen and carbondioxide
stomata
water. minerals and sunlight