this chromosome has two chromatids, joined at the centromere. what process led to the formation of the two chromatids?

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

What are the pros and cons of quadrat sampling?

This is collection of data made by comparing objects in standard units. in science, the units are metric.