Answer: the fight or flight response the sympathetic
nervous system becomes activated but your body could become
a little "tense" .
Explanation:
Answer:
Cyanobacteria were photosynthetic and slowly changed the earth's atmosphere from CO2 rich to O2 rich. Photosynthetic cyanobacteria evolved by 3.5 billion years ago and greatly modified earth's atmosphere.
Answer:
C) B. subtilis can produce endospores which are resistant to the effects of UV.
Explanation:
Bacillus subtiles -
Bacillius subtiles bacteria is a gram - positive , found in soil and in humans in the gastrointestinal tract .
It is in rod shape , with tough and protective endospore , so it can tolerate the extreme temperature and environmental conditions .
B. Subtiles can produce endospore when cultivated , and these are resistant to the UV light .
and the E . Coli can also produce endospore when cultivated , but these are not resistant to the UV light .
This would be an example of D. <u>Founder Effect</u>