<span>Costly
Labor intensive
.Requires skilled person as selection is practiced
Pedigree record maintenance is time consuming
.<span>Selection for yield or other characters in F2 and F<span>3 </span>is ineffective.
</span><span>One important to note is genetic variation available for selection gets decreased in later generations due to the individual plant selection carried out earlier.
disadvantages
</span></span>
Answer:
An arctic fox changes its fur color to blend in with its surroundings
Explanation:
This is a defense mechanism because when it blends into its surroundings it can hide from its predators and help defend itself
The answer is semicircular canals. The part of the ear responsible for hearing and balance is the inner ear. The inner ear is composed of three parts: the cochlea's role is for hearing, the semicircular canal is for balance and the last, the vestibule connects the two parts to other structures in the ear.
<span>Fossil record, genetics, and examples of local adaptations all support the theory of evolution by natural selection.</span>
