Scientists have suggested that these examples of gigantism are possible because of the extreme cold found in these waters.
The digestive system is parrallel to the excretory system, but not part of it. The digestive system is where the digestive process of getting energy from food. The excretory is where the blood enters the nephron. It filters out any kind of waste. The excretory is where the urine comes from. The digestive system doesn't produce urine. Urine is transported from the kidneys to the bladder. It does work together for the use of the body like basically everything in your body.
They are called circadian rhythm. Circadian rhythms are physical, mental and behavioral changes that follow a repeated daily cycle. They are usually biological processes that display an oscillation of about 24 hours and occurs in animals, plants and even cyanobacteria. The process responds to changes in light and darkness in the surroundings of an organism.
Gametes are cells used to sexual reproduction. they are haploids and that means they have just one set of chromosomes (most of the cells of our body have 2 sets). that kind of cells is produced mainly by meiotic division of the gamete's stem cell (called oogonium or spermatogonium) and that's why meiosis usually leads to the production of gametes. gametes are haploids so that they could combine (egg with sperm cell) and create the whole new organism (adult organism is almost always diploid).
Answer:
On the basis of gender preference.
Explanation:
In the modern view of adaptation, the main cause of infanticide is not the food but the gender preference. In many societies, people killed their infant when they knew that the infant is a girl. They thought that having a girl is curse or shameful thing so they kill the infant. These type of people wants male baby or prefer male child so that's why they kill the infants. In the ancient times, infants were killed that were abnormal or having any defects but today it happen due to gender preference.
