Use leaves, fruit, and flowers to identify hardwood trees common to North American forests. Learn about species characteristics and locations.

Animals Rats are infesting these nut trees in California and experts can’t explain why California’s Central Valley is suffering from a rat problem, which is affecting a certain type of tree.

Object Details Author Basset, Yves Charles, Elroy Citation Basset, Yves and Charles, Elroy. 1998. "Insect Fauna Differences Between Mature Rain Forest Trees and Their Seedlings: an Example From Guyana ...

Barcelona midfielder Pedri called on Spain’s soccer authorities to “explain it properly” after questioning why a penalty was awarded against the Catalans for handball during Saturday’s ...

A food web is a diagram showing an ecosystem's complex feeding relationships. Learn about types of food webs and how they differ from a food chain.

Interest is defined as the cost of borrowing money or the rate paid on a deposit to an investor. It can be classified as simple interest or compound interest.

A derivative is a securitized contract whose value is dependent upon one or more underlying assets. Its price is determined by fluctuations in that asset.