Scientists believe that changes in the Earth's climate cause extinction of trees;P
The species "native horse" did go extinct and that is what scientists are talking about. The "equus ferus'' species is still alive though.
The big bang
about 8.7 million
bacteria is but for viruses some scientists believe they are alive and others think they dont so i can't give you an answer to that
species stay the same
It depends on what sea. In most coral reefs scientists think that there are 15,000 species.
Redwood trees
scientists actually believe that the megladon is alive and well. As for me, i don't know what to believe. Scientists think that it still lives in the Indian ocean, which is off the coast of India.
Why do scientists think related species have similar body structures and development patterns?
bacteria cannot make its own food because scientists think they arent alive
We do no know exactly what kind of lizard snakes evolved from, but scientists think it was related to monitor lizards.
i think it's the California Redwood, but I'm not sure