By looking at them over a light to see the "veins"
Answer:
Keystone species have low functional redundancy. This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche. The ecosystem would be forced to radically change, allowing new and possibly invasive species to populate the habitat.
Explanation:
The purpose of an experiment is to compare results with a hypothesis.
B. because first of all those animals evolved before humans, and also from very different species than did humans. If humans have plants as their descendants/ ancestors that would make us question everything we know about our existence.
A Fossil Fuel is the highest
b Nuclear goes down during 2005-2015 but solar is the lowest through it all but it seems to increase a little between 2005-2015 so I’m not sure which one but it’s between those two