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Clearly selection pressure will not result in organisms that are better equipped to avoid agents of mass extinction such as the major asteroid impact at the end of the Cretaceous. Yet there is increasing evidence that mass extinctions are selective even though they follow different rules to "background" extinction. What characteristics of lineages or clades might make them more or less likely to survive a mass extinction?
So I know that the oocyte and the sperm are the female and male"germ cell", and that the germ cells give rise to gametes, whichfuse at fertilization. What's the process of a germ cell becomingactual "gametes"? (especially in females) Is it a matte..
Explaining the cellular respiration and therocess of photosynthesis of plants.
q1. what is the dissimilarity between exergonic and endergonic reactions? give an instance of each. what is the
A train is travelling up a 3.73 degree incline at a speed of 3.25m/s as the last car breaks free. How far does last car travel before its speed momentarily reaches zero.
q1. give the series of any six-base-pair dna molecule that can be affected by aminopurine. then show the results of
If humans had been present to build log structures during the Carboniferous period (they weren't), which plant type(s) would have been suitable sources of logs.
question 1 protocols are important in medicine. we use them anytime that a particularly important process needs to be
What is the cost benefit analysis of monogomy? What are some of the costs to fitness of monogomy? Some of the benefits?
select one of the special senses to discuss. how does that sense allow us to interact with and be aware of the
Ignoring the possibility of crossing-over, If a total of 200 spemwere produced by an animal having one pair of chromosome, how manyof each kind would there be?
though , certain pairs of his progeny, when interbred, produced red and white progeny at a frequency of about 25 percent. Nick was soon removed from the stud lists of the Holstein breeders. Explain why, using symbols.
What are the major intracellular compartments of an animal cell? What is the general function of each compartment? Are they membrane bound?
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