TLS Online TPP Program

#Question id: 12322


Which of the following could qualify as a top-down control on a grassland community? 

#Unit 10. Ecological Principles
  1. Limitation of plant biomass by rainfall amount
  2. Influence of temperature on competition among plants
  3. Influence of soil nutrients on the abundance of grasses versus wildflowers
  4. Effect of grazing intensity by bison on plant species diversity

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TLS Online TPP Program

#Question id: 9605

#Unit 9. Diversity of Life Forms

A phylogenetic tree that is ʺrootedʺ is one

TLS Online TPP Program

#Question id: 9606

#Unit 9. Diversity of Life Forms

The correct sequence, from the most to the least comprehensive, of the taxonomic levels listed here is

TLS Online TPP Program

#Question id: 9607

#Unit 9. Diversity of Life Forms

The common housefly belongs to all of the following taxa. Assuming you had access to textbooks or other scientific literature, knowing which of the following should provide you with the most specific information about the common housefly?

TLS Online TPP Program

#Question id: 9608

#Unit 9. Diversity of Life Forms

Darwin analogized the effects of evolution as the above-ground portion of a many-branched tree, with extant species being the tips of the twigs. The common ancestor of two species is most analogous to which anatomical tree part?

TLS Online TPP Program

#Question id: 9609

#Unit 9. Diversity of Life Forms

Dozens of potato varieties exist, differing from each other in potato-tuber size, skin color, flesh color, and shape. One might construct a classification of potatoes based on these morphological traits. Which of these criticisms of such a classification scheme is most likely to come from an adherent of the phylocode method of classification?

TLS Online TPP Program

#Question id: 9609

#Unit 1. Molecules and their Interaction Relevant to Biology

Dozens of potato varieties exist, differing from each other in potato-tuber size, skin color, flesh color, and shape. One might construct a classification of potatoes based on these morphological traits. Which of these criticisms of such a classification scheme is most likely to come from an adherent of the phylocode method of classification?