Sympatric speciation One fish species occurs by itself in several nearby lakes (Lakes A, B, C, D, ... M). The other occurs by itself in other lakes (Lakes N, O, P, Q, ... Y). However, they co-occur in lake Z, but do not interbreed (one breeds in the spring in the lake itself, and the other breeds in streams feeding the lake in the fall.) Both species have several autapomorphies. Your initial hypothesis is these species arose through:

answer; i believe that the correct answer is (an elevator pitch);

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it

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