Gregor mendel became interested in genetics after a. teaching math and science in high school b. studying the works of other great geneticists c. working with laboratory rats and mice d. noticing trends among plants in the monastery garden

Hurry 25pts which one of these is involved in both sexual and asexual reproduction a sperm b spores c seeds d eggs

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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?