Consider the following food chain: plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. what is likely to happen if a new organism that feeds off mice is introduced? a. the mice population will increase in response to the arrival of the new organism. b. the mice population, grasshopper population, and plant population will all increase. c. the new organism will compete with the snake population for resources. d. the populations of the existing organisms will remain unaffected.

Me 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?