According to the theory of evolution, birds' feathers evolved from "reptile scales"--specifically the scales of dinosaurs if one search far enough back in time, which seems counterintuitive because scales are so hard.
Answer:
c
Explanation:
Population regulation occurs when density-independent factors have been operating on birth, death, and emigration rates.
Population regulation is a density dependent process, meaning that population growth rates are regulated by density of Population.
Density dependent limiting factors cause population per capita growth rate to change. One example is competition for limited food among members of population.
Answer:
No
Explanation:
Divided up into an hourly rate, the earth rotates 15 degrees every hour (360/24). This number plays an important role in determining time zones. An important factor in determining time zones is the lines of latitude and longitude. Imaginary lines known as latitude and longitude divide the Earth.
-70+40 is like subtracting 70 and 40, but adding a negative sign in front. The answer is -30