What can scientists learn from the chemical isotopes in leftover shells of foraminifera about the climate at the time the foraminifera lived?(1 point)

How many autosomes are in this human karyotype? how many sex chromosomes?

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.

What term is applied to a scientist who studies ancient life including animal and plant fossils