When two separate species have body structures such as specific bones that are the same but the two species are very different these structures are known as?

Homologous structures are structures (body parts/anatomy) which are similar in different species because the species have common descent. They may or may not perform the same function. An example of homologous structures is the forelimb structure shared by cats and whales.

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

answer; i believe the correct answer is ( proteins );