1 . An individual is a single living thing ? True or False ?
2.Members of the same population rarely interact with each other ? True or False ?
3.The biotic component of a biome is a community? True or False ?
4.An ecosystem includes only biotic factors. True or False ?
5.The biosphere includes all the other levels of organization in ecology. True or False ?

What must be true for natural selection to heppen

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

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring