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TLS Online TPP Program

#Question id: 12759

As climate changes because of global warming, species? ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that

#Unit 10. Ecological Principles
  1. Have seeds that are easily dispersed by wind or animals.
  2. Have thin seed coats.
  3. Produce well-provisioned seeds.
  4. Have seeds that become viable only after a forest fire.
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TLS Online TPP Program

#Question id: 28558

#Unit 5. Developmental Biology

In Dictyostelium, which structure is able to migrate and proceeds to build the fruiting structure?
TLS Online TPP Program

#Question id: 11484

#Unit 7. System Physiology – Animal

Two students studying physiology taste a known "bitter" substance, and both report sensing bitterness. They then sample another substance. Student A reports sensing both a bitter taste and a salty taste, but student B reports only a salty taste. What is the most logical explanation?
TLS Online TPP Program

#Question id: 13171

#Unit 10. Ecological Principles

Imagine some cosmic catastrophe jolts Earth so that its axis is perpendicular to the orbital plane between Earth and the sun. The most obvious effect of this change would be
TLS Online TPP Program

#Question id: 4444

#Unit 3. Fundamental Processes

The homologous omega subunit of bacterial RNA polymerase in eukaryotic polymerases is,
TLS Online TPP Program

#Question id: 28617

#Unit 2. Cellular Organization

Phosphoserine/threonine-binding F-box protein is__