Answer: An organisms niche include the space an organism requires,it's specific geographical location, the type and amount of food an organisms consume, timing of reproduction.
Explanation:
An organism niche is the role and position the organism occupy in it environment. It include how an organism survive and reproduce, how the organism meets for food or resources and shelter,how an organism interact with the biotic (living) and abiotic(non living) factors in the environment. Biotic factor can be how the organism compete and survive for competition in the environment. It include the type and amount of food the organism consume.
Answer:
d) diploidy
Explanation:
PKU is a genetic condition caused by changes in genes and are transferred through generations in a recessive inheritance pattern. PKU is caused by mutations in the gene PAH phenylalanine hydroxylase (PAH) which codes for an enzyme (type of protein) called phenylalanine hydroxylase. PKU is caused by an Autosomal recessive pattern i.e A person must have a mutation on BOTH of his/her two copies of the PAH gene in order to have PKU and this only occurs if both parents are carriers for PKU.
Now , What maintains the presence of this harmful allele(The recessive allele that causes phenylketonuria (PKU)) in a population's gene pool?
NOTE the word recessive!
The answer is Diploidy.
This is because, the term diploidy refers to a state of having two sets of the chromosomes (and therefore two copies of genes), especially in somatic cells. Therefore, the usefulness of this is to stabilize the chromosome if one of the chromosome(i.e one copy of the gene) is a carrier of PKU.
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<span>Answer: E. The liver makes bile, which is needed to absorb lipid-soluble vitamins.
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The liver makes bile that absorbs vitamin A, D, E, and K which is lipid-soluble. If the liver damaged and the bile production is reduced, the absorption of those vitamins will be reduced too. Vitamin K has a role in blood clotting, so the symptoms probably caused by vitamin K deficiency.
