In the food web pictured below which organism is responsible for clean up

How does human environment effect the biosphere

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?