how do limiting factors most affect population size?
stop population growth
restrict population growth
increase population size
result in positive impacts

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

How to farmers could ensure that they only grow white flowers

The gulf stream and north atlantic current modify the climate of northwestern europe by making the climatea) warmer and drierb) warmer and more humidc) cooler and drierd) cooler and more humid