Pteridophytes (ferns) are better adapted to land than bryophytes because they . Select one: a. have spores on the undersides of their leaves b. do not need a thin film of water for fertilization c. possess fruit to protect the embryo and aid in seed dispersal d. have conducting tissues

most community's take hundreds of years to become stable

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.