Photosynthesis and Cellular Respiration Thinking Questions
1. When the asteroid that wiped out the dinosaurs hit the Earth, it sprayed dust and Geors into the
air, blocking the Sun for many, many years. Most dinosaurs weren't killed by the impact but des
Iater as a result of the Earth not reventing enough sunlight
Using your knowledge of photosynthesis and cellular respiration, erplain why the dinosaurs clied out
even though many weren't directly affected by the impact

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