What causes a pancreatic cell to have a different function than a nerve cell? a. shape of the cell b. level of hormones c. expression of genes d. amount of mitochondria

How many types of rock can form from the rock cycle

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid

Speed is the ratio of the distance of an object moves to