It effects the environment because it can cause unstability in the food web and biotic and abiotic factors
Vitamin A deficiency is the leading cause of preventable blindness in children.
Productivity increases with water availability is most likely a combination of the other responses. terrestrial productivity higher in equatorial climates
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What is equatorial climates?</h3>
In the equatorial climate zone are rainforests. They have a humid environment because it is hot and rainy there all year long.
Given that it rains nearly every day, the yearly rainfall is substantial. The temperature range is typically only a few degrees, and it is stable throughout the year.
The climate graph depicts the typical temperatures and rainfall in Manaus, Brazil's Amazon rainforest. The lowest monthly rainfall—less than 50 mm—occurs in August, while March has the most monthly rainfall—over 300 mm.
Throughout the year, temperature variations are minimal. The month of September experiences the greatest monthly temperature of 29°C. The months of December and January have the lowest average monthly temperature of 26°C. The difference in annual temperature is 2°C.
To learn more about equatorial climates from the given link:
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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.
These winds are referred to as Westerlies and they flow in a general pattern from West to East.
