Which approach to ecological investigations is illustrated by Biosphere 2? Defend your classification in own words

50 points :)

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

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

Isotopes of the same element have differ in their