Practice Questions

TLS Online TPP Program

#Question id: 11499

Biologists have long been aware that the defunct kingdom Protista is paraphyletic. Which of these statements is both true and consistent with this conclusion?

#Unit 9. Diversity of Life Forms

Many species within this kingdom were once classified as monerans.
Animals, plants, and fungi arose from different protist ancestors.
The eukaryotic condition has evolved only once among the protists, and all eukaryotes are descendants of that first eukaryotic cell.
Some protists, all animals, and all fungi share a protist common ancestor, but these protists, animals, and fungi are currently assigned to three different kingdoms.

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TLS Online TPP Program

#Question id: 12347

#Unit 10. Ecological Principles

A team of conservation biologists, surveying a population of frogs on an island, captured and marked 312 individuals in the first sample. In a second sampling, 3 days later, the team caught 140 individuals of which 26 were previously marked. The total number of frogs on the island is estimated to be . (Use decimal notation, not fractions or percentage)

TLS Online TPP Program

#Question id: 12348

#Unit 10. Ecological Principles

The following equation represents a hypothetical relationship between fitness (w) and shoot: root ratio (r) in individuals of a plant species: w = 10r-10r2. At what value of shoot: root ratio (r), do these plants achieve maximum fitness? (Use decimal notation, not fractions or percentage)

TLS Online TPP Program

#Question id: 12349

#Unit 10. Ecological Principles

Males in a population differ in the time they spend displaying to females. A researcher hypothesizes that predators are responsible for these differences. Males display for longer durations when there are no predators in the vicinity and for shorter durations when there is a predator nearby. Which of the following study designs is the most appropriate test of this hypothesis?

TLS Online TPP Program

#Question id: 3296

#Unit 10. Ecological Principles

Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of

TLS Online TPP Program

#Question id: 26820

#Unit 10. Ecological Principles

Following are the main types of defense employed by prey species against predators Types of defense: Chemical with aposematic coloration

A.Cryptic coloration

B.Batesian mimicry

C.Intimidation display

D.Prey Species: Grasshoppers and seahorses

1.Hoverflies and wasps

2.Bombardier beetles, ladybird beetles, many butterflies

3.Frilled lizard, Porcupine fish

Which one of the following combinations is correct?