Users practicing this topic

Post date	Users	Rates	Content
Thu, 06/04/2015 - 20:40	SarahAlsalihi	80	Check this topic
Sat, 08/22/2015 - 11:39	fred042102	80	Check this topic

Topic title: Carrying CapacityAn animal species needs to have enough resources, like food and water, to survive in any given environment. However, because resources are limited, only a certain number of animals of a particular species are able to survive in a given ha

Topic category: TOEFL speaking