__________ prevent fish sperm from fertilizing frog eggs

a. Energetic barriers
b. Biological barriers
c. Postzygotic barriers
d. Ecological barriers
e. Prezygotic barriers


E

Biology & Microbiology

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Which white blood cells are granulocytes?

a. neutrophils, basophils and eosinophils b. B lymphocytes c. eosinophils and dendritic cells d. monocytes e. natural killer cells

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Global warming would result from an increase in which of the following components of the

accompanying figure?
a. 1 and 2
b. 2
c. 2 and 3
d. 3
e. 4

Biology & Microbiology

Which of the following characteristics is often associated with animals that are radially symmetrical?

A) Gastrovascular cavity B) Sessile or otherwise nonmobile C) Cephalization D) Mobility E) Mesoderm

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If the regression results for a linear probability model of mortgage application are given by: Approvedi = 0.6(0.12) + -0.05(0.001)Debt2IncomeRatioi, with standard errors reported in parenthesis. How should we interpret the coefficient on the debt-to-income ratio variable?

A. Increasing your debt to income ratio by 1 decreases your probability of being approved by 0.55. B. Increasing your debt to income ratio by 1 decreases your probability of being approved by 0.05. C. The probability of being approved for a mortgage is 0.6. D. The probability of being approved for a mortgage is 0.05.

Biology & Microbiology