Some marine fish species release sperm and eggs in a process called spawning. when one individual spawns, chemicals are released that promote spawning in other nearby individuals. what kind of feedback is illustrated this example?

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Which feature of a human community is similar to a niche in a biological community