True because Sigmund Freud (1890-1930) developed these collection of theories
A. Metabolism this is the process of taking food and making it energy
simple mules are a mix of hourse and donky and are born infertle they cant BREED.
Answer:
D
Explanation:
Because there has to be competition or one population wouldnt decrease and the other wouldn't increase due to survival and reproduction the population doesn't always have to be below the carrying capacity because it can also do it when its above and natural selection can act on traits determined by different alleles.
