The endosymbiotic theory explains the evolution of eukaryotic cells. according to the theory, ancient prokaryotes developed a symbiotic relationship with smaller prokaryotes that lived inside them. some of these smaller prokaryotes could use oxygen to make atp. these aerobic prokaryotes evolved into mitochondria. others could perform photosynthesis. these evolved into chloroplasts.

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users