Energy cycles through ecosystems because it returns to the Sun.
A True
B False

false

Explanation:

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

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)]