In a student experiment 4 earthworms were placed at each end of a compartment as shown after 10 minutes all of the earthworms were together in the same area the students concluded that the earthworms had moved as far as they could in that period of time which alternative explanation is also supported

The body is protected against harmful flu viruses by

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Building glycogen from glucose molecules is an example of what