What must organisms be adapted to so that they can live in an estuary? both low and medium salt concentrations
medium and high salt concentrations
high salt concentrations
low salt concentrations

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?

Define adaptation. why do organisms adapt? give an example.