Which of the following human activities reduces biodiversity? A. prohibiting hunting in wildlife preserves
O B. taking tissue samples from members of endangered species
O C. planting only native grass species to prevent erosion beside highways
O D. planting only red pine trees to replace native hardwood forests cut for lumber

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

What is the difference between an igneous, sedimentary and metamorphic rock

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service