What happens if one part of an ecosystem in damaged or destroyed?

Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab