Daily rhythms of sleep and wakefulness are regulated by the which is found in the

These rhythms are monitored by the suprachiasmatic nucleus, which is in the hypothalamus. This small section of the brain receives retinal cues about the world and translates it into information that is transmitted to the rest of the hypothalamus and the pituitary gland, where hormones are released that control sleep and wakefulness.

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.