8. Of the following that Charles Darwin accomplished, which of these contributed significantly to the scientific community? a. he traveled on the HMS Beagle
b. he studied towards a divinity degree
c. he had a close relationship with his grandfather Erasmus Darwin
d. he published On the Origin of Species in 1859

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Me with biology endocrine system crossword also image left i need with hw

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?