A diagram of a food web, for the following questions. (Arrows represent energy flow and letters represent species.)

If this were a marine food web, the smallest organism might be

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#Question id: 16121

#Unit 7. System Physiology – Animal

 Match the following mechanisms (Column I) with their correct example (Column II).

Column I	Column II
A. Heat-generating and heat-retaining mechanisms	i. increased metabolic rate (thyroid hormones, sympathetic nervous system)
B. Heat-dissipating mechanisms	ii. vasodilation of blood vessels of the skin (decreased sympathetic tone)
	iii. increased activity of sympathetic cholinergic fibers to sweat glands.
	iv. shivering
	v. vasoconstriction of blood vessels of the skin (increased sympathetic tone)

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#Question id: 26543

#Unit 3. Fundamental Processes

What are the function of P-TEFb  

a.It Phosphorylate NELF & DSIF

b.It Phosphorylate S2/7 OF CTD

c.It Phosphorylate SPT 5

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#Question id: 33691

#Unit 2. Cellular Organization

Pseudogenes

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#Question id: 24560

#Unit 4. Cell Communication and Cell Signaling

Junctional diversity in VDJ recombination during gene rearrangement cause by the addition of,

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#Question id: 15667

#Unit 8. Inheritance Biology

You set up the following dihybrid mapping cross in fruit flies. 

P e+e+ roro cq cq x ee ro+ro+ cq+cq+. After backcrossing F1 males to ee roro cq cq females, you get the following results: gray body, rough eyes, claret eyes 576; ebony body, smooth, red eyes 564. How can you explain this result?