The answers that apply are;
new allele combinations were advantageous in the presence of
parasites with high mutation and reproduction rates.
sexual reproduction increased genetic variability and
survival in a changing environment?
Sexual reproduction increases genetic variability due to combinations of alleles from the parents to the
offsprings. This increases the chances
that a particular combination may be able to confer resistance to the
disease-causing bacteria and hence increase the survival of the roundworms population.
Answer:
Valinomycin is an antibiotic that are mainly used against the bacteria streptomycin. The valinomycin might also acts as the ionophore used for the regulation of the ions transport.
Only some selected particles can pass down to the plasma membrane. The hydrophobic molecule can easily cross the plasma membrane. Valinomycin is hydrophobic on its exterior surface and easily diffuse through the cell membrane. Valinomycin is hydrophillic from the interior surface and used for the encapsulation of the polar ions.
Answer: Animal
Explanation: Us humans are an animal because we don’t make our own food like plants do. We kill and eat other plants and animals.
The Jurassic is a period of Mesozoic.
Answer:
Having an extra toe or finger is not harmful at all, it is an uncommon chance for babies to be born with an extra toe or finger but most of the time it is amputated soon after the birth. It can't cause any harm. Though some scientists believe it could be beneficial for some stuff, such as tying a shoe with only one hand. Or playing numerous games at once. Though I would go with neutral.
P.S
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<em><u>-Faker/Tosrel</u></em>