Two runners A and B start running from diametrically opposite points on a circular track in the same direction. If A runs at a constant speed of 8 km/h and B at a constant speed of 6 km/h and A catches up with B in 30 minutes , what is the length of the track?

#Question id: 29086

#Unit 10. Ecological Principles

Select the correct match

#Question id: 29087

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use Sorensen index determine the degree of similarity between X and Y community?

#Question id: 29088

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use Jaccard index determine the degree of similarity between X and Y community?

#Question id: 29089

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use simple matching index determine the degree of similarity between X and Y community?

#Question id: 29090

#Unit 10. Ecological Principles

The figure above shows the distribution of 10 plant species that grow along a regular environmental gradient, such as depth of the water table in a river valley. All other environmental factors are similar. This figure demonstrates that

#Question id: 29091

#Unit 10. Ecological Principles

Increased solar energy, together with an abundance of water, results in high productivity of plants is an characteristics of____