Answer: B
Explanation:
carbon monoxide is poison and can kill you
Answer:
They lack a nucleus, but they do have ribosomes.
Explanation:
Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
Answer:
In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current.
Over the years there have been many hypotheses as to the evolution of unique primate traits. Among these is the visual predation hypothesis.
Scientists have long speculated the reasons behind the unique evolution of primate traits. This speculation has led to the development of three hypotheses, which are:
- <u><em>The </em></u><u><em>arboreal </em></u><u><em>hypothesis</em></u>
- <u><em>The </em></u><u><em>visual predation </em></u><u><em>hypothesis</em></u>
- <u><em>The </em></u><u><em>angiosperm radiation </em></u><u><em>hypothesis</em></u>
The <u><em>visual predation </em></u><u><em>hypothesis</em></u> states that perhaps the unique traits featured are a result of an insectivorous ancestry. However, due to the uncommon nature of insectivory amongst current-day primates, this is <u>unlikely to have been of much influence.</u>
The <em><u>angiosperm radiation </u></em><em><u>hypothsis </u></em>states that the availability of food sources, primarily fruit or flowers as a result of the spread of angiosperms, directly impacted the development of primate traits. Finally, the <em><u>arboreal hypothesis </u></em>simply proposes that primate traits have evolved as a result of having to adapt to life amongst the trees, this hypothesis is widely accepted.
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Answer:
b. increased efficiency in walking as forests transformed to wooded environments; the ability to carry food in order to provision family members.
Explanation:
Peter Rodman and his colleague proposed a 'patchy forest hypothesis' according to which forests become more patchy and the food in them is in dispersed form so, the hominids their can move efficiently with energy and can carry food now with free hands.
While Owen Lovejoy suggested that monogamous males, provision their females and protect them from predators, females that are provided with foods, could now take care of more than one offspring at a time, and thus reduce the gap between births.