A biological community in its environment such as a pond, an ocean, a forest, even an aquarium is known as

Which one of the following is most sensitive to environmental change?

Statement I: Bioaccumulation is a process of progressive accumulation of heavy metals and pesticides in an organism. Statement II: Large fishes of the pond are found to have higher concentration of p…

The species which are in danger of extinction are known as?

With reference to the planet Earth, consider the following statements: I. Rain forests produce more oxygen than that produced by oceans. II. Marine phytoplankton and photosynthetic bacteria produce a…

Which of the following is the correct sequence of phases of Biotic succession ?