Griffith found that this combination of Streptococcus pneumoniae strains was highly severe. Heat-killed R strain + Live R strain

Live T strain + Live S strain

Heat-killed R strain + Live S strain

Live R strain + Heat-killed S strain

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

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.