Voyaging populations of hunter-gatherer Native Americans visited the Channel Islands and found tar balls on the beaches from the natural oil supplies. The tar balls could be used as a waterproofing material for small huts. The visitors also caught an abundance of fish and sheep and found several edible plants. Within 5 years, the Native American population exploded; they inhabited every island in the archipelago.

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.