If faeces is not an excretory product, why is large intestine an excretory organ?

Write a paragraph explaining why the effect of mutations can vary widely - from neutral to harmful to beneficial

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

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species