Answer:
Net primary productivity is the amount of energy lost through respiration by producers subtracted from the gross primary productivity of an ecosystem.
Explanation:
Answer:
heterogeneous genotype have two different Allels at a particular gene locus while a homogeneous have the same
This is because just like our fingerprints, no ones dna is exactly the same. We may have similarities with other people but they will never be exactly alike.
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
Answer:
Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.