The vestigial structures in animals
for example we, humans once had a tail that is connected to our tail bone coccyx and every mammals you see had a tail.
Answer:
Rock is a solid mixture of crystals of one or more minerals, or organic matter.
The best example of pioneer species would definitely have to be A. Lichens growing on rocks after a volcanic eruption because they’re able to grow on bare rock! They help the environment. Hope this helps :)
Answer:
c) Offspring tend to inherit characteristics acquired by their parents during their lifetimes
Explanation:
the offsprings tend to inherit characteristics
I think it might be Stratosphere, if Ozone layer is an option I will suggest that too.