Which of the following provides the most conclusive evidence that organisms of two different species share a common ancestor?
select one:
a. they have similar dna sequences
b. they have similar body movements.
c. they live in the same ecosystem
d. they reproduce at the same time.

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

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?