Which sentence best expresses a main idea stated in mendel's law of segregation?
a. organisms inherit two copies of each gene, but donate only one copy to each gamete
b. parents each donate two gametes, but only one is inherited by the next generation
c. organisms inherit more traits from the female parent than the male
d. parents each donate four alleles for each gene passed on to the offspring

Why do bacteria thrive even in hostile environments

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?

What are characteristics of minerals? select 3 choices