Adisease-resistant variety of a sexually reproducing crop was planted on a field with an existing nonresistant variety. after a few years, pests severely attacked the plants. the older, nonresident plants died. however, the recently grown plants survived. why did the new plants survive?

the pests can't attack the new plants.
the new plants had the resistant gene.
the old plants were covered with low-grade insecticides.
the new plant variety was younger than the intital plants.
the recently grown plants had an increased life span.

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

In general, are there any major differences that you can see? explain

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?