For several decades now, amphibian species worldwide have been in decline. A significantproportion of the decline seems to be due to the spread of the chytrid fungus, Batrachochytrium dendrobatidis (Bd). Chytrid sporangia reside within the epidermal cellsof infected animals, animals that consequently show areas of sloughed skin. They can also belethargic, which is expressed through failure to hide and failure to flee. The infection cycletypically takes four to five days, at the end of which zoospores are released from sporangiainto the environment. In some amphibian species, mortality rates approach 100%; otherspecies seem able to survive the infection. If Bd cannot grow properly at temperatures above 28°C (82°F), then, assuming theamphibians can survive, in which time or place should the chytrid infection proceed mostrapidly?1. cooler months2. warmer months3. lower altitudes4. higher altitudes

Infection with these microorganisms would be even more noticeable in cold stages where temperatures are less than 28 degrees, since in this way the microorganisms would not survive in the external environment and would less infect amphibians.

Explanation:

Also keep in mind that water at different latitudes may have a greater or less warmth (that is the reason why in some areas it is said that its boiling point is not 100 degrees Celsius but around 83).

The warmer the water, the more amphibian mortality because there will be more infection since the microorganism manages to survive in an environment suitable for its needs.

you are certainly talking about this picture:

a: is the label of the white square, it is showing the  replication fork, formed by helicase (d) ==> so it is the site of dna separation and replication 

b: is a new dna brand that is following directly the replication fork, so it is continuous ==> built continuously from 5' to 3

c: dna polymerase cannot replicate dna on its own, it needs the of their proteins, and one of them plays the role of a clamp which fixes  the dna with the dna template and increases  the processivity of the enzyme. ==>   stops polymerase from falling off the  template.

d: is the enzyme responsible for forming the replication fork (helicase) ==> unwinds and separates dna into two strands

e: is the delayed strand, it is built  in the opposite sense of the helicase, so dna will be built in fragments ==> built  fragments from 5' to 3 joins

and finally f: is the enzyme that builds  the new dna strand (dna polymerase) ==>   adds nucleotides to make a new dna helix.

credit: gradman555p98x9p

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many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: