Answer:
okay so im going with a behavioural adaptation becasue if it was physical wouldnt that mean that they would change their appearance bc of there adaptation?
okie peace
Explanation:
Answer:
Diverse
Explanation:
Natural selection can better occur when individuals are more naturally diverse.
The genetics of red hair appear to be associated with the melanocortin-1 receptor (MC1R), which is found on chromosome 16. Eighty percent of redheads have an MC1R gene variant.
I cannot find this source for this I'm sorry. I meant to add it but I lost the site
The functions of lymphatic system are:
To provide generic defenses against any type of invaders which happen to breach our barriers, remove any debris left after the invasion has been stopped, and then fill in the damaged area with scar tissue.
The main cells of immune response are found in lymph: B and T lymphocytes are produced in lymphoid tissue (T lymphocytes mature in thymus (or tonsils)) and concentrated in the lymph nodes.
To collect excess tissue fluid and make it pathogen free before returning it to the bloodstream.
Lymphatic system drains and cleans interstitial fluid from tissue spaces and also returns leaked plasma proteins to the blood.
It also transports lipids and lipid-soluble vitamins absorbed from the digestive system.
Big lymph vessels -lacteals are at the beginning of the gastrointestinal tract and their role is to transport fats (lipids) and vitamins to the blood circulation via the thoracic duct.
