Where do you get energy in the morning

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes