Due to similar selection pressure, several metatherians and eutheria.pdf

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Do you think the MPC has risen or fallen since the recession of 2008-2009? Explain your reasoning. Solution If MPC is Media Player Classic it has risen since the recession of 2008-2009 as people look for compact and economical solutions for Media Player.If MPC is something else please expand so i answer.

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Due to similar selection pressure, several metatherians and eutherians have similar
morphological structures (e.g. sugar gliders and flying squirrels). What is this evolutionary
process called?
Convergent evolution
Allopatric speciation
Recurrent evolution
Divergent evolution
Solution
Answer is "A". Convergent evolution.
Convergentevolution (isomorphism) is the independent evolution of similar features in species of
different lineages.
It creates analogous structures that have similar form or function but were not present in the last
common ancestor.

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Subtract and simplify, if possible. 11/12 - 4/15 Perform the operation and simplify, if possible. 58/21m - 33/21m Perform the operation and simplify, if possible. Perform the operation and simplify, if possible. -1/16 - (-5/16) Perform the operation and simplify, if possible. Perform the operation and simplify, if possible. Solution 14) 11/12 - 4/15 = (55-16)/60 = 39/70 = 13/20 17) -1/16 -(-5/16) = -1/16 + 5/16 = 4/16 = 1/16 Please upload rest questions in clear image to make it answerable...thankyou.

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Roll a fair 4-sided dice twice. If A=first roll and B=second roll, then let X=the min(A,B) and Y = |A-B|. a) Give the joint distribution b) Find Cov(X,Y) Solution a) Joint Distribution: (A,B)---->(X,Y) (1,1)---->(1 ,0) (1,2)---->(1,1) (1,3)---->(1,2) (1,4)---->(1,3) (2,1)---->(1,1) (2,2)---->(2,0) (2,3)---->(2,1) (2,4)---->(2,2) (3,1)---->(1,2) (3,2)---->(2,1) (3,3)---->(3,0) (3,4)---->(3,1) (4,1)---->(1,3) (4,2)---->(2,2) (4,3)---->(3,1) (4,4)---->(4,0) b) Cov (X,Y)= E(XY) -E(X)E(Y) E(X) = 30 /16 ( Summation X =30) E(Y) = 20/16 (Summation Y=20) E(XY) = 30/16 (Summation XY =30) Therefore, Cov (X,Y) = 30/16 - ( 30/16 * 20/16) = - 0.4687 ( Negative Correlation ) Answer.

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