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TLS Online TPP Program

#Question id: 9151

What would be the effect on climate in the temperate latitudes if Earth were to slow its rate of rotation from a 24-hour period of rotation to a 48-hour period of rotation?

#Section 2: Evolution

  1. Seasons would be longer and more distinct (colder winters and warmer summers).

  2. Large-scale weather events such as tornadoes and hurricanes would no longer be a part of regional climates.

  3. Winter seasons in both the northern and southern hemispheres would have more abundant and frequent precipitation events.

  4. There often would be a larger range between daytime high and nighttime low temperatures.

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TLS Online TPP Program

#Question id: 10721

#Section 1: Ecology

Which above spp having decrease order of abundance?
TLS Online TPP Program

#Question id: 10722

#Section 1: Ecology

Community 1 contains 100 individuals distributed among four species (A, B, C, and D). Community 2 contains 100 individuals distributed among three species (A, B, and C). Community 1: 5A, 5B, 85C, 5D Community 2: 30A, 40B, 30C Calculate the Shannon diversity (H) for each community.
TLS Online TPP Program

#Question id: 10723

#Section 1: Ecology

What does the graph tell you about the effect of a keystone species?
TLS Online TPP Program

#Question id: 10725

#Section 1: Ecology

While studying the diversity of 3 communities, 5 species and 50 individuals were recorded from each community. The number of individuals under each species was listed as mentioned in the following Table.  


Which of the following is decreasing order of evenness of community?
TLS Online TPP Program

#Question id: 12348

#Section 1: Ecology

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: 12347

#Section 1: Ecology

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)