<span>photic zone
The photic zone or daylight (Sunlit) zone is the part of the water in a lake or sea that is presented to such power of daylight which assigns remuneration point, i.e. the force of light at which the rate of carbon dioxide take-up, or identically, the rate of oxygen generation, is equivalent to the rate of carbon dioxide creation, comparably to the rate of oxygen utilisation, diminishing in this way the net carbon dioxide digestion to zero.
Since the photic zone is the place the greater part of the photosynthesis happens, the profundity of the photic zone is for the most part relative to the level of essential generation that happens here of the sea. Around 90% of all marine life lives in the photic zone. A little measure of essential creation is produced somewhere down in the deep zone around the aqueous vents which exist along some mid-maritime edges.</span>
Answer:
The Answer is D (Both Positive and Negative) I hope this helps.
Explanation:
Answer:
f. 1- Hb; 2- dissolved in plasma
Explanation:
Transport of oxygen in the body occurs in two way; oxygen bound to hemoglobin and oxygen dissolved in plasma.
1. Bound to hemoglobin
:
Hemoglobin, or Hb, is a protein molecule found in red blood cells and is responsible for the colour of red blood cells. It is composed of four subunits of two types of the protein globin: two alpha subunits and two beta subunits. Each subunit surrounds a central heme group (red in color) that can bind one oxygen molecule.Therefore, each hemoglobin molecule can bind and transport four oxygen molecules. About 98.5% of oxygen is transported in the body bound to hemoglobin.
2. Oxygen is only fairly soluble in blood plasma. As a result, only 1.5 percent of oxygen in the blood is dissolved and transported in blood plasma.
Low rainfall would be the answer.
The correct option is this: Males of one species perform orchestrated dances and sing songs that only attract females of the same species.
Ecological isolation refers to the sexual practice among living organisms, in which populations of living organisms occupy the same ecology or region but live in different habitats and refrain from inter species sexual relationships. There are five types of isolation, these are: ecological, temporal, mechanical, behavioral and geographical isolation.
Behavioral isolation is said to occur when two allopatric species living in the same territory refraining from inter breeding as a result of differences in courtship behaviors.