Because plant cells have chloroplasts and can do photosynthesis, why do they also need mitochondria?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2