Increased rates of decomposition occur in ________ ecosystems.

1 answer:

8 0

The correct answer is: increased rates of decomposition occur in tropical ecosystems. This is because higher temperatures promote the rate of decomposition. At the tropics, the climate tends to be warm and moist all year round. These conditions are perfect for the proliferation of organisms that aid decomposition, such as flies, mosses etc. Bacteria that aid in decomposition also thrive in warmer and more humid environments. The increased activity of bacteria with temperature is generally described by an equation called a 'first order' equation, which sees an exponential growth in bacteria with increasing temperature.

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Answer:

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This is an example of recessive epistasis. In recessive epistasis, two recessive alleles mask expression of an allele at a different locus. The 9:7 ratio observed in this question is a special case of epistasis called duplicative recessive epistasis, which means the presence of either aa or bb was sufficient to mask expression of the other gene. In this case, if snails had two copies of either allele a or allele b, pigment production was suppressed, resulting in albino individuals.

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Therefore we can conclude the sample contained an obligate aerobe which was catalase positive since it produces bubbles when Hydrogen peroxide was added.

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Does the light independent pathway of photosynthesis continue to occur when the leaf disks are placed in the dark environment?

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Answer:

The answer is Behavioural isolation.

Hope that helps. x

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