Haploid cells are found in the reproductive organs of adults, known as gonads. In males these are the testicles and females these are the ovaries.
Pollution, over population, anything that could be potentially harming the earth in the long term.
Redundant mechanisms
To maintain homeostasis, redundant mechanisms are present in the body so that when one of the systems fails, other complementary or backup systems can help to compensate and ensure the survive of the organism by maintaining homeostasis. Examples of these redundant systems involve blood pressure regulation, temperature regulation, breathing and pH control in the body during exercise.
<span>Instead, they have evolved chloroplasts, as a
way to generate their own carbohydrates without consuming other
organisms, by harnessing solar energy to convert carbon dioxide and
water into carbohydrates. ... Mitochondria, on the other hand, efficiently break down macromolecules, such as carbohydrates or lipids, into ATP.</span>