Answer:
1. high adaptability
2. low population size
3. All the dinosaurs, along with 50% of all species alive at the time died out when an asteroid struck Earth.
Kingdom, phylum, class, order, family, genus, species
Answer:
When they grow bigger or there are some differences that haven't been there before? (Ex. Spots, stripes, Longer tusks)
Explanation:
I'm just thinking of this logically ok so don't know if this is correct but hope this helps.