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TLS Online TPP Program

#Question id: 11378

Which of the following set of conditions will qualify a species to be considered as critical endangered (EN) as per IUCN criteria?

#SCPH06 I Botany

  1. >90% reduction in population size, <100 km2 area of occupancy, at least 50% estimated extinction risk in three generations.

  2. <2,50 individuals with declining population, <250 mature individuals, at least 20% estimated extinction risk in 20 years

  3. <250 individuals with declining population, <50 mature individuals, at least 50% estimated extinction risk in 10 years.
  4. >90% reduction in population size, <10 km² area of occupancy, at least 50% estimated extinction risk in five generations
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TLS Online TPP Program

#Question id: 12104

#SCPH28 | Zoology

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?
TLS Online TPP Program

#Question id: 12105

#SCPH28 | Zoology

A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its 
TLS Online TPP Program

#Question id: 12106

#SCPH28 | Zoology

Which of the following best describes resource partitioning?
TLS Online TPP Program

#Question id: 12107

#SCPH28 | Zoology

As you study two closely related predatory insect species, the two-spot and the three-spot avenger beetles, you notice that each species seeks prey at dawn in areas without the other species. However, where their ranges overlap the two-spot avenger beetle hunts at night and the three-spot hunts in the morning. When you bring them into the laboratory, their offspring behave in the same manner. You have discovered an example of
TLS Online TPP Program

#Question id: 12108

#SCPH28 | Zoology

Resource partitioning would be most likely to occur between
TLS Online TPP Program

#Question id: 12182

#SCPH06 I Botany

The cell cycle is controlled by protein kinases that comprise a catalytic subunit and a regulatory subunit. Which of the following statement is correct regarding to these subunits?