1. Identify the process that represents how organisms grow and replace old or damaged cells. 2. Identify the process that is necessary for sexual preproduction, explain why it is necessary, and identify how this process increases genetic variation.

3. Summarize the differences between mitosis and meiosis.
WILL GIVE BRAINLIEST

Are salt and soap nutrients or toxins for yeast? explain.

Individuals do not compete directly for resources, but are prey for the same predator

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?