The productivity of a freshwater ecosystem depends on water movement. In which of the following freshwater ecosystems does water flow slowly and
usually in more than one direction?
A. Stream
B. Marsh
C. Bog
D. Slough
helppp please

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

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

The negative impacts of nonnative species generally outweigh the positive impacts