Air pollution and water pollution are more often regional problems than global problems. Water pollution involves the contamination of water bodies such as rivers, lakes, oceans, and groundwater; usually caused by human activities. Air pollution is the release of pollutants into the air; harmful or excessive quantities of substances such as gases, biological molecules, and particulates.
Algae will be overgrown and larger fish will begin to die out as the carrying capacity has lowered due to a limit in food.
1) occluding junctions
2) anchoring junctions
3) communicating junctions
Occluding junctions do not totally seal the space between cells and the resulting permeability varies greatly. I would say anchoring junctions are most likely with one of the other 2 junctions being least permeable.
17.
decreases.
it substantially increases then decreases.
18.
to the same organisms because oak leaves come from oak trees.
19.
Pyramid B
Pyramid A does not accurately represent the supply of food for the caterpillars.
