Cells of all organisms have various mechanisms to control their metabolism. Some animals go into hibernation in response to changing environmental conditions. Their metabolism slows down to decrease their need for food. Which statement best explains this ability to change metabolism? Animals that hibernate have genes that code for hibernation.
Phenotypes control the hibernation genotype, determining metabolism regulation.
Genes that regulate metabolism are multi-factorial and adjust to environmental changes.
Genes that regulate metabolism can mutate to adjust to temperature and lack of food.

How do you date a sample of rock that you suspect as being one of the earliest on earth

Draw the structure of dna nucleotide with adenine as nitrogenous base

Me 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?