Do you want the catholic answer or do you just want a general answer, because it could be an opinion.
There always has to be a dominant allele
Answer:
oxygen gas
Explanation:
because oxygen is needed for life on Earth
Answer:
Difference Between Endangered Species and Threatened Species. ... what are the other causes apart from humans that can drive an entire species to ... When a species exist no longer, it is considered as extinct.
Answer:
Explanation:All matter has mass and occupies space. All physical objects are made of matter. Matter itself is composed of tiny building blocks known as "atoms".
