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Question: Lack's model for clutch size evolution predicts the optimal number of offspring in a clutch as those which produce the most offspring. However, experiments often demonstrate that organisms do not produce the predicted optimal clutch size because:
his assumption that offspring receive equal parental investment is often not met.
his model assumes that there are no carry-over costs among reproductive events, yet early reproductive investment can affect future reproductive success.
his model uses offspring survival as a measure of fitness which may be less important in the long run than, for example, the quality of those offspring.
tests of his model often use approaches like adding eggs to nest, which may underestimate the true cost of increases reproductive investment.
All of the above.
A.
B.
C.
D.
E.
A patient with hypertension is being treated with hydrochlorothiazide and is due for a twenty-five mg dose shortly. Her latest potassium lab result is 2.4 mEq.
define Why do we use 16s rDNA for sequencing
Gene technology carries with it social and ethical implications—many of which engender personal views and discussion.
2-dominant mutants in the first linkage group of the guinea pig govern the traits pollex (pX0, which is the ativistic return of thumb and little toe, and rough fur.
Primary transcripts produced by RNA polymerases are generally faithful copies of the DNA template. However, most final/functional forms of these RNAs vary substantially from the primary transcript.Give an instance of an RNA class.
If repressor tetramer uses only two of its subunits to bind to an operator sequence, why is tetramer formation so important to the control of lac operon gene expression.
Most of us can't even imagine a world without oxygen. Though, as you learned earlier, chemically oxygen is a powerful oxidizing compound. What effect(s) would the increase in oxygen levels of atmosphere have on the organisms that existed at that time..
Tina is consuming 12 mg of iron per day. Her RDA is 15 mg. She has no condition warranting a greater-than-normal need for iron. Which of the statements is true about her consumption of this nutrient.
how A primary oocyte gives rise to
What have to be true of the cell wall of this bacterium? Mammalian blood contains an equivalent of 0.15 M. Seawater contains the equal of 0.45 M. What will occur if red blood cells are transferred to seawater.
Rarely, hens reverse phenotypic (not chromosomal dew late in life and develop into sprem producing males. If such a male were to be mated to a normal female,what sex ratio will be expected among the offsrping.
In a population with two alleles, A and a, frequency of A is 0.2. Organisms that is homozygous for A die before reaching sexual maturity. In five generations, what will be the frequency of individuals aa with genotypes.
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