Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?

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#Question id: 12438

#Unit 10. Ecological Principles

____ is likely to lead to a situation in which the size of a population fluctuates wildly.

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#Question id: 7102

#Unit 5. Developmental Biology

How is the Spemann organizer distinguished from the other mesodermal cells during induction by the cells of the vegetal region?

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#Question id: 12012

#Unit 10. Ecological Principles

The average daily temperature change on an exposed south-facing slope and a north-facing slope for a late summer day in the Northern Hemisphere are shown below.

Compared with a south-facing slope, the climatic conditions on a north-facing slope favour the formation of a vegetation community best adapted to

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#Question id: 23769

#Unit 7. System Physiology – Animal

What are the difference between the cones and rode cells?

a. Cones are sensitive to low-intensity light and Rods are responsible for vision at higher light levels. 

b. Rods are sensitive to low-intensity light and cones are responsible for vision at higher light levels. 

c. Rods do not participate in color vision and cones do.

d. Cones do not participate in color vision and Rods do.

Choose correct statements accordingly

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#Question id: 266

#Unit 1. Molecules and their Interaction Relevant to Biology

________ plays an important role in storing the energy needed for the unwinding of DNA during replication, recombination, repair and transcription.