During photosynthesis, plant cells use sunlight as an energy source. Animal cells do not use photosynthesis. What organelle in plant cells makes it possible for plants to carry out photosynthesis?

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

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

Asegment of dna that codes for rna and a protein is a