The answer would be D. Tropical Rainforest, this would be due to the abundance of rain which creates plenty of vegetation and then, more herbivores will live in the rainforest, and the more herbivores there are, the more carnivores will come to the rainforest. The canopy of the tall trees also provide shelter for countless of thousands of species of birds.
I'm not completely sure, but I'm fairly certain that the answer is B.
They help with metabolism and can act as enzymes or carriers and hormones. Protein has amino acids within it
When bonding occurs a new substance with new properties is formed.
