False: RNA contains only the ribose sugars, whereas DNA only deoxyribose, hence their different names
Answer:
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<span>The only incorrect
answer is d. within very short spans of time.<span>
<span>In his
Theory of Evolution, Darwin
noted three patterns of biodiversity:</span>
<span>1.
Species vary globally - different, but ecologically similar animal species inhabit separate habitats around the
Globe, but again, these habitats are ecologically similar.</span>
2.
Species vary locally - different animal species that are related to each other,
may occupy different habitats in an area not so far away.
<span>3.
Species vary over time - some traits become more common, other less common.
</span></span></span>
<span>Solved ✓
Scientific knowledge of </span><span>photosynthesis itself was essential.
I hope that you find my answer useful.
</span>
"Positive feedback systems generally control infrequent conditions such as ovulation, childbirth and blood clotting<span>."
</span>"Most of the feedback mechanisms that regulate hormones in the human body are negative feedback systems."
Narrows it down to: 'negative' or 'positive'<span>
Source: </span>http://www.ivyroses.com/HumanBody/Endocrine/hormone-regulation-feedback-mechanisms.php
Sorry I can't be of more help here, but hopefully you can get it from there.
