The diagram shows a certain kind of cell whith all of its major parts labeled which statement is supported by the diagram

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Look at the photo of the leaf. which term best describes this leaf?

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.