Which outcome does the big crunch scenario predict? A. the matter in the universe will slow the expansion to the point where it would finally come to a halt and then start to retract B. the universe will keep expanding and growing ever larger and galaxies will grow farther apart C. the universe will finally extinguish itself with a violent expansion similar to the one with which it began D. the gravity in the universe will grow very weak, resulting in the planets drifting into stars

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?