The natural rate of extinction as assumed by science is about 5 species per year. Currently scientists estimate we are losing species at 1000-10000 times that rate, with multiple species disappearing every day. A note on this idea is that the average extinction rate gives an unrealistic depiction of nature when we consider the catastrophic extinction events that ended the dinosaurs and shaped the ice age.
B. The prefrontal cortex is used to plan complex cognitive behavior, personality expresison, and moderate social behavior.
Answer:
they provide the body with energy
Explanation:
Carbohydrates are your body's main source of energy: They help fuel your brain, kidneys, heart muscles, and central nervous system. For instance, fiber is a carbohydrate that aids in digestion, helps you feel full, and keeps blood cholesterol levels in check.
Answer:
i think its vestigial, but if not then it is homologous.
hope that hepls!
Answer:
B
Explanation:
Car sometime can sink if the road is weak and if you go to fast
