Which of the following are NOT one of the three main species affected by oil spills? * A. Birds
B. Polar Bears
C. Turtles
C. Fish

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

What is the next step in muscle contraction after the actin changes shape