The hypothalamus detects fluctuations in temperature. The receptors on it are known as thermoreceptors. Skin also possesses thermoreceptors which can detect the temperature of the external environment. This information is relayed to the hypothalamus which can in turn transmit nerve pulses for corrective mechanisms to occur. If you are HOT, sweating and vasodilation occurs. If you are COLD, vasoconstriction and shivering occur. In extreme cold, blood flow to extremities decreases in order to protect internal organs. This is an example of:

Purple loosestrife is a beautiful, long-stemmed wetlands species brought to the United States from Europe as an ornamental plant. In the U.S. it has no predators and out competes another species of wetland grass, Cattails, which is a valuable resource for many species. This is an example of:

blue cheese.jpg  Which fungal phyla includes spore shooters and sac fungi, including black truffles, yeast, and Penicillium roqueforti (the fungi responsible for the distinctive flavor of blue cheese)?

What is unique about adult amphibians’ respiratory system?

Disease that regularly affects animals in a particular area or at a particular season.

Living host of a virus without causing the host harm.

Bacteria secrete a sticky substance called mucilage which forms a biofilm that can allow for the evasion of host defenses and hold bacterial colonies together.

Vegetative structure of a fungus consisting of many branching root-like structures.

Which of the following do prokaryotes lack?

The modern synthesis of the theory of evolution incorporates our current understanding of genetics. If Darwin had been aware of genes and their typical mode of transmission to subsequent generations, with which statement would he most likely have been in agreement?