Each animals gas exchange systems work in different environments because in order to be successful in that specific environment, That specific organism had to adapt to its surroundings. Therefore causing the fish to overtime adapt and grow gills so it could be more successful in it's environment. <span />
Answer:
There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.
Explanation:
An intrusion is the action of intruding or intruding. I hope I helped a little!! :-)
Answer:
(Choice B) B Anabolism builds molecules using the energy produced during catabolism.
Answer:
NAD+
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