5. Which of these types of environments experiences
the LEAST change in the total number and type of
species over time?
A. An ecosystem with only pioneer species
B. An ecosystem that is in primary succession
C. An ecosystem that is in secondary succession
D. An ecosystem with a climax community

need help with this

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

Ture or false evidence for evolution includes millions of fossils

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