They are considered omnivores
Cell membrane or in planet cells: cell wall AND membrane
A sudden inrush of water could over whelm animals and possibly kill them if the water is of a different type.
Answer:
1. A massive star depletes its nuclear fuel; gravity overpowers the star; supernova occurs; core of star collapses
2. black hole; gravitational pull
3. The center of the Milky Way
Explanation:
