The cordilleran flycatcher and pacific-slope flycatcher were once thought to be the same species, but they are now known to be different species because they have different common names they don't look the same they have different diets they do not interbreed

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1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: