A man is standing on a railway bridge which is 180 m long. He finds that a train crosses the bridge in 20 seconds but himself in 8 seconds. Find the length of the train and its speed.

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#Question id: 10864

#Section 2: Evolution

Which of the following represent ways in which two ecologically similar species can avoid competing with each other?

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#Question id: 11245

#Section 4: Behavioural Ecology

Monogamy is most prevalent among ______ and is rare among ________.

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#Question id: 9193

#Section 2: Evolution

Which of the following best describes the consequences of White-band disease in Caribbean coral reefs?

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#Question id: 11765

#Section 2: Evolution

The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998. Based on these population estimates, what is your estimate of λ, the annual rate of geometric growth?

TLS Online TPP Program

#Question id: 10632

#Section 1: Ecology

Three different population growth pattern related to population density are shown in figure