Zoology, Part 10: Saving (and Learning About) Zoos
BUYING AND SELLING ANIMALS: 
The boys were presented with the problem of overcrowding in some of the cages and some cages with not enough animals in their zoo. They worked together cooperatively to decide which animals should be sold, and, in exchange, which animals should be bought to fill up their empty cages. They ended up trading in 14 animals have placed their order for replacements, which should arrive next week.
The boys were presented with the problem of overcrowding in some of the cages and some cages with not enough animals in their zoo. They worked together cooperatively to decide which animals should be sold, and, in exchange, which animals should be bought to fill up their empty cages. They ended up trading in 14 animals have placed their order for replacements, which should arrive next week. 
