If a tornado uproots most of the trees in an ecosystem, it could be expected that, due to the loss of the trees, there will be a reduction in -
A. sunlight
B. Oxygen
C. Precipitation
D. Soil

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

The negative impacts of nonnative species generally outweigh the positive impacts

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen