A branch from a tree and a dichotomous key are shown below. What type of tree produced the branch?
A. locust
B. ash
C. cedar
D. magnolia

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

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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