The best explanation for why the emu, ostrich, and rhea are so similar despite being geographically separated is
a. continental drift.
b. morphological convergence.
c. natural selection.
d. gaps in the fossil record.
e. adaptation.

What will be an ideal response?


Answer: a

Biology & Microbiology

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Cytochalasins prevent addition of monomers to pre-existing ________.

Fill in the blank(s) with the appropriate word(s).

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Henrietta knows her arm's position as she lifts it away from her body in a completely darkened room because her brain is getting information from these general sense receptors

A) Merkel discs B) hair cells C) thermoreceptors D) Golgi tendon organs

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The hardest part of implementing the instrumental variables approach is:

A. determining which of your instrumental variables are relevant. B. finding and defending the exogeneity condition of your instrumental variable. C. reporting the appropriate standard errors. D. deciding between using two-stage least squares or generalized method of moments.

Biology & Microbiology

What are the levels of microbial associations in the environment? How do they relate to an ecosystem?

What will be an ideal response?

Biology & Microbiology