The area around the Sahara Desert is slowly changing into a dry region, similar to the desert. Which trait is most likely to be selected in the population of plants growing in this region?

Researchers have found that mitochondria and chloroplasts in eukaryotic cells have their own dna. this dna is different from the dna in a eukaryotic cell's nucleus. chloroplasts and mitochondria use their own dna and ribosomes to make some organelle-specific proteinswhat statement is best supported by this information? a. mitochondria and chloroplasts could exist outside of modern cells.b. modern cells could exist without mitochondria and chloroplasts.c. early eukaryotic cells engulfed prokaryotic cells, which later became mitochondria and chloroplasts.d. early prokaryotic cells engulfed eukaryotic cells, which later became mitochondria and chloroplasts.

Explanation:

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.