Describe how endangered species are impacted by the bottleneck event. Research a specific example of genetic diversity in endangered species.

Which best explains how this maneuver unblock a person's airway?

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey