Which of the following describes the interaction between chloroplasts and mitochondria? Chloroplasts manufacture food; mitochondria break down the food and convert it into energy.
Chloroplasts package nutrients; mitochondria deliver the nutrients to other parts of the cell.
Chloroplasts absorb water from the surrounding tissue; mitochondria store water.
Chloroplasts direct the functions of the cell; mitochondria deliver messages to all parts of the cell.

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

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.