What is an active site? A )a gland that secretes a particular enzyme
B) a part of an enzyme molecule into which a substrate molecules fits
C)a part of the substrate to which an enzyme molecule attaches
D)a place in the body where an enzyme works

Specialized cells which perform a particular function form : organisms organs tissues

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species