Since invasive species did not co-evolve with the other species in the ecosystem where they were introduced species often unbalance the ecosystems into which they are introduced because they did not co-evolve with the natural species and lack natural controls, like predators.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Archaebacteria use for movement. celia flagella pili cell walls

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier