Which action does not make a home more energy efficient

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

The organelle pictured is found in cells of and is theorized to have once been an independent organism.