1. Well developped offspring, and portable baby food despencing. Mamalian young are generally quite well developed when they are born, and the parent does not need to find any specific types of food for the new born since the mother already provides te perfect nutrition.
2. Internal heating allows mammals to remain quick and active in cold climates.
3. Fur is really effective and cheap to produce.
B because it a matched with T the first one would be T nd the second would be A
When you look at the orange you see those little dots on it? Those are the seeds they are spread when they are still on the the tree and they blow away onto the ground.
