Why conserve water? Because fresh water is rare and the process to clean water is expensive; therefore it shouldn’t be wasted. The next time you are tempted to waste water, think of all poor people who can’t afford clean water. Many children die and suffer everyday from dehydration and water that are unclean. :(
Well, when chromosomes cross over during prophase 1 of meiosis, the homologous pair of chromosomes exchange segments of DNA which happen to be the genes. So the significance of crossing-over during prophase 1 is that it adds genetic variation to sexually reproducing organisms.
The answer is a<span>ctivation because during this amino acid is activated by aminoacyl-trna synthetase enzyme and added to trna</span>
A food chain is a good wxample for animals or living things that need food
Answer:
The mutation for sickle cells will start to disappear because there's no benefit to carrying the disease if malaria is cured.
Explanation:
Hope this help
Have a nice day!!!!