From four corners of a square sheet of side 4 cm, four pieces,each in the shape of arc of a circle with radius 2 cm, are cut out.The area of the remaining portion is :

TLS Online TPP Program

#Question id: 10821

#Section 1: Ecology

What factor does not contribute to the rapid loss of nutrients from terrestrial ecosystems?

TLS Online TPP Program

#Question id: 10822

#Section 1: Ecology

When two organisms attempt to utilize the same resource, the result is:

TLS Online TPP Program

#Question id: 10823

#Section 1: Ecology

Which of the following statements about symbiotic relationships is true?

TLS Online TPP Program

#Question id: 10824

#Section 1: Ecology

Interspecific competition has been demonstrated experimentally in

TLS Online TPP Program

#Question id: 10825

#Section 1: Ecology

What are beltian bodies?

TLS Online TPP Program

#Question id: 10826

#Section 1: Ecology

Gause's principle of competitive exclusion is, essentially,