Plzz me asap !

use the graph below to answer the following question: if slope is calculated using the equation, "m = (y2-y1) / (x2-x1)," what is the slope of the tangent line? be sure to include all math work and units in your final answer.

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).

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Which of the following terms describes all of the non-living components of an ecosystem