This is an example of co-evolution and this cycle of a predator and prey co-evolving is sometimes called an evolutionary arms race.

The last two lines in a shakespearean sonnet are always without rhyme a rhymed couplet a metaphor humorous

Which headline best matches the subject and language of the article? community efforts make dc dreams come true kids' fierce determination wows at splash and dash o youth group's successful car wash funds trip to dc splash and dash car wash supports local group

In the declaration of independence, thomas jefferson states that governments derive their power from