TLS Online TPP Program

#Question id: 7091


The development of the antero-posterior axis of Drosophila is initiated when:

#Unit 5. Developmental Biology
  1. the mother packages bicoid and nanos mRNA into the developing oocyte
  2. the Toll receptor is activated after fertilization, leading to nuclear localization of Dorsal protein
  3. the terminal group protein Torso sets up the anterior and posterior poles of the embryo
  4. the sperm enters the micropile at the anterior end, thus specifying the antero-posterior axis
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TLS Online TPP Program

#Question id: 9159

#Unit 9. Diversity of Life Forms

Which of the following investigations would shed the most light on the future distribution of organisms in temperate regions that are faced with climate change?

TLS Online TPP Program

#Question id: 9160

#Unit 9. Diversity of Life Forms

Generally speaking, deserts are located in places where air masses are usually ________.

TLS Online TPP Program

#Question id: 9161

#Unit 9. Diversity of Life Forms

When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes ________.

TLS Online TPP Program

#Question id: 9162

#Unit 9. Diversity of Life Forms

If the direction of Earth's rotation reversed, the most predictable effect would be ________.

TLS Online TPP Program

#Question id: 9163

#Unit 9. Diversity of Life Forms

Use the following figures to answer the question below


Based on the data in the figures, which of the following statements are correct?

I) Area 1 would be considered a desert because of its high average temperature.

II) Area 1 has more average precipitation than Area 2.

III) Area 2 would be considered a desert because of its low average precipitation.

IV) Area 2 has a larger annual temperature variation.

TLS Online TPP Program

#Question id: 9164

#Unit 9. Diversity of Life Forms

Use the following figures to answer the question below.


East of the Mississippi River, in Hopkinsville Kentucky, the mean annual precipitation is 130 cm. The mean annual temperature is 14.3°C. In the winter, the mean temperature is 7.3°C, while in summer it is 20.6°C. Using the climograph shown here, how would we classify the biome found in Hopkinsville?