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TLS Online TPP Program

#Question id: 9053

Which of the following might be an investigation of microclimate?

#Unit 9. Diversity of Life Forms
  1. the effect of ambient temperature on the onset of caribou migration
  2. the seasonal population fluctuation of nurse sharks in coral reef communities
  3. competitive interactions among various species of songbirds during spring migration
  4. how sunlight intensity affects plant community composition in the zone where a forest transitions into a meadow
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TLS Online TPP Program

#Question id: 11575

#Unit 7. System Physiology – Animal

Fight-or-flight reactions include activation of the ________.
TLS Online TPP Program

#Question id: 28401

#Unit 5. Developmental Biology

The Nieuwkoop centre is formed on the dorsal side of the embryo due to accumulation of beta-catenin which helps activate gene encoding protein, these protein known as____
TLS Online TPP Program

#Question id: 10327

#Unit 9. Diversity of Life Forms

A taxon, all of whose members have the same common ancestor, is
TLS Online TPP Program

#Question id: 17995

#Unit 8. Inheritance Biology

Consider a heritable autosomal disease with an incidence in the population of 1 per thousand. On average, individuals with the disease have 80% as many children as the population average. In answering the various parts of this question, assume that mating is random. What mutation rate would be required to maintain the observed incidence of the disease in the population if the disease is recessive?
TLS Online TPP Program

#Question id: 12647

#Unit 6. System Physiology – Plant

Other oxygenated fatty acid-derived products, octadecanoids belong to the family of___