What happens to soft parts of organisms when cast fossils form? they decay. they petrify. they form carbon films. they become part of the fossil.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

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

What are levels of ecology and how can we remember them