Explain how we know that organisms that lived millions of years ago are related to the organisms of today

How can the stress response be used in a way. for example to build resilience.

Jen is reviewing information about a new treatment for arthritis pain that she saw on an informational website. most of the information is testimonials from satisfied users. which best indicates that this information is unreliable? it is not paid for by product sponsors. it is on a website that is not run by professionals. its claims are based mostly on anecdotal evidence. its claims are not supported by the provided information.

First to answer will be the brainliest i need the answer asap