Top with another 6-inch square of fabric, aligning the edges of the squares of fabric. Repeat to create 90 fabric/batting/fabric blocks. Using the main fabric for the back of each block. Make 42 blocks of the main fabric, and 48 blocks of each complementary fabric using the main fabric for the back of each block.
What is PIONEER SPECIES? A species of which the members tend to be among the first to occupy bared ground; these plants are often intolerant of competition and esp of shading, and may be crowded out as the community develops, OPEN COMMUNITY.
Pioneer organisms are the first organisms to reoccupy an area which has been disturbed by a disruption. Typical pioneers in a succession include grasses in a plowed field or lichens on rocks.ocabulary: limiting factors, ecological succession, symbiotic, parasitism, mutualism, commensalism, pioneer species, climax community Abiotic Factors Abiotic factors are those non-living physical and chemical factors which affect the ability of organisms to survive and reproduce.