Arrow-right Camera

The Spokesman-Review Newspaper The Spokesman-Review

Tuesday, October 27, 2020  Spokane, Washington  Est. May 19, 1883
Partly Cloudy Night 31° Partly Cloudy

Tag search results

Tags let us describe our content with keywords, making it easier to find what you're most interested in. Use the search box to look for tags, or explore our coverage with the lists below.

Research shows oxygen could have caused prehistoric growth

Many scientists would say life on Earth has a complex but single blueprint. For example, many animals have left hand and right hand parts that are mirror images of each other. There are lots of other regularities, such as the fact that all mammals have backbones. Some of the most interesting parts of life’s blueprint are the relationships that have predators feasting on their prey. The predator-prey relationship took time to become established. Here’s the story: