The following equation represents a hypothetical relationship between fitness (w) and shoot: root ratio (r) in individuals of a plant species: w = 10r-10r2. At what value of shoot: root ratio (r), do these plants achieve maximum fitness? (Use decimal notation, not fractions or percentage)

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#Question id: 4207

#Unit 3. Fundamental Processes

 If there is more globin than heme present in a reticulocyte, globin synthesis is stopped by

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#Question id: 11628

#Unit 8. Inheritance Biology

Two  varieties of maize averaging of 180 cm and  20cm, inches in height respectively, are crossed. The F1 progeny is quite uniform averaging  100cm in height. How many different  Phenotype express in f2 generation?

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#Question id: 11988

#Unit 10. Ecological Principles

If mayflies lay eggs on roads instead of in water, this behavior could involve which of the following? 

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#Question id: 11228

#Unit 9. Diversity of Life Forms

Though plants, fungi, and prokaryotes all have cell walls, we place them in different taxa. Which of these observations comes closest to explaining the basis for placing these organisms in different taxa, well before relevant data from molecular systematics became available?

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#Question id: 6960

#Unit 5. Developmental Biology

At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.