Which supports the idea of this ecosystem being open? question 1 options: weathering of rocks returns phosphorous to the soil plants uptake soluble phosphorous from the soil runoff and erosion bring phosphorous into the water system soluble phosphorous is immobilized by microbes

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?