C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
Answer: 1. larva, 2. nymph
Explanation:
In complete metamorphosis the precursor of insect undergoes with four distinct stages to develop into complete adult insect. These are egg, larva, pupa and adult.
In incomplete metamorphosis the insect precursor hatches from an egg and then goes through several nymphal stages similar to adult.
Therefore, in complete metamorphosis the immature stage is called as larva and in the incomplete metamorphosis the immature stage is called as nymph.
The genetics of red hair appear to be associated with the melanocortin-1 receptor (MC1R), which is found on chromosome 16. Eighty percent of redheads have an MC1R gene variant.
I cannot find this source for this I'm sorry. I meant to add it but I lost the site
Answer:
In my opinion I would say A cause it sounds more reasonable for me
Answer:
In evolutionary biology, abiogenesis, or informally the origin of life (OoL), is the natural process ... For the oldest life forms, see Earliest known life forms. ... There are several principles and hypotheses for how abiogenesis could have occurred. ... In 2017 scientists found possible evidence of early life on land in 3.48 Gyo
Explanation:
Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects. We can only speculate about these questions, since we haven't yet found any life forms that hail from off of Earth. But we can think in a more informed way about whether life might exist on other ... When did life appear on Earth? ... For many millions of years, early Earth was pummeled by asteroids and other celestial objects.
