Sci Starter: a variety of projects you can take part in to help researchers expand their reach.
iNaturalist--"iNaturalist is an online social network of people sharing biodiversity information to help each other learn about nature" You can download their app to record observations in the natural world, get help from others to identify species, and expand your knowledge!
Seek--an app from iNaturalist that helps with plant and animal identification using image recognition technology.