abscission
Abscission is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed.
Biology
absorption
Absorption is the movement of digested food molecules from the digestive system into the blood (glucose and amino acids) and lymph (fatty acids and glycerol).
active transport
Active transport moves molecules and ions from a region of lower concentration to a region of higher concentration with the help of energy in the
aerobe
An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment. The ability to exhibit aerobic respiration may yield
afforestation
Afforestation is the establishment of a forest or stand of trees (forestation) in an area where there was no recent tree cover.
amnion
This is a membrane in reptiles, birds and mammals, forming a fluid-filled cavity (the amniotic sac) that encloses the embryo. The amniotic sac and the
anaemia
Anaemia is when the body does not have enough healthy red blood cells or haemoglobin. Red blood cells and haemoglobin (the molecule in red blood
anaerobe
An anaerobic organism or anaerobe is any organism that does not require molecular oxygen for growth. It may react negatively or even die if free
antidiuretic hormone
Antidiuretic hormone (ADH) is a hormone that helps your kidneys manage the amount of water in your body ADH is a substance produced naturally in