Answer:
oxygen
Explanation:
oxygen is an essential nutrient which the body needs especially during respiration.
it help the blood cells do provide energy.
without oxygen, there is no gaseous exchange
In any imbalance of nerve endings are very important people can die <span>for it is very sensitive nerve endings</span>
I think your answer is a hot summer. during this phase, there would be rapid growth in vegetation leading to increased population in rabbits and other rodents...
Answer:
heres the site that could help cause this is where i got it <em>https://futureofworking.com/6-advantages-and-disadvantages-of-selective-breeding/</em>
Explanation:
examples
It gives us an opportunity to focus on specialization.
Selective breeding can be used to refine a species.
The desirable traits for humans may not be reflective of species’ needs.
It helps to provide a food chain with better sustainability.
Genetic variation<span> is essential for </span>natural selection<span> because </span>natural selection can only increase or decrease frequency of alleles that already exist in the population.Genetic variation<span> is caused by: mutation
i pulled this off of the site i got the information from i hope this helps you out if not sorry
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