They are less threatened because they are more adapted to their environment therefore will survive drastic environmental change. This is because they are more diverse: they have evolved more.
Flatworms has the least complex body plan
Explanation:
the process in a woman of discharging (through the vagina) blood and other materials from the lining of the uterus at about one monthly interval from puberty until menopause (ceasing of regular menstrual cycles).
We have Protons and Neutrons in the nucleus of an atom, Protons are positively charged, neutrons are non-charged particles.
Answer:
In 1960, the U.S. Forest Service started keeping detailed records of damage caused by wildfires. ... Between 2000 and 2013, nearly 161 million acres were consumed by wildfires -- more in 13 years than in the previous 40 years, combined. ... they would have been had fuel sources been able to burn off naturally over time.
Missing: 225 | Must include: 225
Explanation: