25 points What is a plant association A relationship betwe.pdf
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2.5 points What is a plant association? A relationship between two plants that benefits one or both. A random group of plant species growing in one place. A group of plant species found to live together in a predictable way (dominarice, proportion, ete.). 2.5 pointis Through their wark, early "phytosociologists" recognired that. subjective selections of vegetation were more revealing than techniques of random census. they could achieve more by workine together. plant associations reflected pliysical clanges in the land (temperature, futrients, fooisture, etc). there was very little order to assoclations. 2.5 pesints Robert Whattaker of Cornell founded the idea of "gradient analysis" with which he assumed that . there are always sharp borders between recognizabie plant associations. plant asspciations are organized according to fractal mathematical principles. plant communities were primar ily randemly assembled. plant communities are gradually blending into each other.2.5 points When it was recognized that plants (and animals) tive in recognizable assemblies in an area with a given set of ervironmental factors, many terms were coined for theve hrssemblies. We must thank the British botanist Sir Arthur Tansicy for the one that stuck and is used widely today. Which one is it? biotic districts holocene biogeocenose ecosystem naturcomplex biocheres:.
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importance of these events? C. Sketch a cell with a diploid number of 4 (i.e, 4 total chromosomes
prior to replication) in Prophase I of meiosis: D. In what other meiotic stage do we find tetrads?.
3 According to a company news release during the third qua.pdf
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3 A tropical fish fancier produced an albino zebra fish It.pdf
3. A tropical fish fancier produced an albino zebra fish. It lacked blue stripes characteristic of the
normal zebra fish. When she crossed a normal zebra fish to the albino, all the offspring were
normal. When she crossed two of the normal F1 offspring, X were albino and 1/4 were normal.
When an albino was crossed to the normal offspring, half were albino and half were normal. What
is the genotype and phenotype of each fish mentioned in this problem? 4. In pea plants, the
appearance of flowers along the main stem is a dominant phenotype called "axial" and is
controlled by an allele T. The recessive phenotype, produced by an allele t, has flowers only at the
end of the stem called "terminal". Pod form displays a dominant phenotype "inflated", controlled by
allele F, and a recessive "constricted" form produced by allele f. A pure-breeding axial, constricted
plant is crossed to one that is purebreeding terminal, inflated. A. The F1 progeny of this cross are
allowed to self-fertilize. What is the expected phenotypic distribution of the F2 progeny? List the
genotypes and phenotypes of the F1 generation and the phenotypes of the F2 progeny. B. If an
F1 plant from the initial cross described above, is crossed to a plant that is terminal, constricted,
what is the expected phenotypic distribution among the resulting progeny?.
3 8 pts Consider the Bayes Net given below For a given e.pdf
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independence, apply D-separation to show the given expression of independence is true or not.
Question: Is it guaranteed that F_I_ E | B? Note: Between F and E, there are three paths. Be sure
to check ALL three paths and make a conclusion. - Provide the trace of D-separation to show how
you arrive at the answer. Answers without the evidence will receive 0 . - A scanned or photo taken
image of your work is fine..
3 4 pts Your instructor has presented you with a yery dar.pdf
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you immediately notice its surface is covered with round holes (a bit like a block of Swiss cheese,
except for the dark gray color). It is sparkly, so you know it is made of crystals, but they are much
too small for you to recogmize what mineral (or minerals) the rock is made of. It is not noticeably
layered, and water just sits on the surface of the rock, and doesn't soak in. Is this rock most likely
igneous, sedimentary or metamorphie? What evidence supports your conclusion? What is the
significance, if any, of it being made of tiny, almost microscopic crystals? Finally, what is the
significance of the round holes?.
3 5 points Refer to the following worksheet The followin.pdf
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ceils indicated. Write the answer that appears in the cell listed. If the cell will be blank, write
"BLANK" in the answer space. If the cell will return an error message, write "ERROR" in the
answer space. a) CELL D4: b) CELL H7: c) CELLDII: d) CELL D9: e) CELL H16:.
3 31030 points Use the Master Theorem to find the comple.pdf
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recurrence relations (show all the steps and the values of different terms to apply the theorem): a)
T(n)=T(2n)+n2 b) T(n)=4T(2n)+n2 c) T(n)=3T(3n)+n.
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independent Poissons: convolution property) Use the Law of total probability to show that if XPois(
1),YPois(2), and X is independent of Y, then X+Y Pois(1+2).
3 174 attempt Topic time series models Questions i You .pdf
3. (174 attempt) Topic: time series models Questions: i You are given the following time series
model: Xt=Xt1+t Let Yt=X2t, that is, the original process observed only at even times. Show that Yt
is also an AR(1) model Yt=Yt1+t and determine and t, that is, express and t via and t..
3 10 Write a short JAVA method to count the number of nod.pdf
3. [10] Write a short JAVA method to count the number of nodes in a singly-linked list using the
following declaration. Assume that each node contains an integer key and a link to the next node.
public class Node private int element; private Node next; public void getNext() { return next; } }
public class List { private Node head; public int countNodes().
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