On an island, there is a species of beetle without wings. A river formed in the middle of the island, separating the beetle population. One side of the river is a dense jungle, and the other is dry and barren. Predict what would happen to each part of the beetle population. Describe how this could increase the biodiversity of the ecosystem. Support your answer with at least two characteristics that may develop in the separated populations.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Long term exposure to waves can cause sunburns and skin cancer.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla