Ecosystems must recuperate after catastrophes such as fires or hurricanes. A forest experiences a fire due to warm climate. Months after the fire, some nonnative plants began to grow in the area. Why were these plants able to grow?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Which identifies the main purpose of biological taxonomy?

20 point pls brianliest 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?