What are endocrine disruptors and why are they an environmental concern? what are pharmaceuticals and personal care products and why should we be con- cerned with them?

What is a coast of using technology to transport water? a. cities can be built in otherwise uninhabitable areas. b. crops can be irrigated and grown in new areas. c. floods can be averted in flood-prone areas. d. freshwater supplies can be depleted in an area.

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.