What term is defined as a series of ordered groupings of items within a system

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?