The hormone to be given is oxytocin. Oxytocin is a hormone produced by the paraventricular nuclei of the hypothalamus then stored in the posterior pituitary gland (along with antidiuretic hormone or vasopressin) that is responsible mainly for uterine contraction and milk ejection or letdown. Oxytocin induces contraction of the myoepithelial cells in the breast for milk letdown. On the other hand, there is upregulation of oxytocin receptors during parturition which makes the uterus more sensitive to oxytocin. Oxytocin is also known to induce labor and reduce post-partum bleeding.
The fish is the limiting factor because its population <u>determines the survival and availability of the grizzly bears.</u>
A limiting factor is resources(biotic or abiotic) that affects or determine the availabity and growth of an organism or group of an organism within an ecosystem.
The more fish it takes, the more the liver produces urea, and kidney tubules makes use of the urea in it tubules for urine formation in the loop of Henle. The urine formation and loss, leads to intake of water and the sequence continues.
This is an example of a biological limiting factor because the bear predate on the fish for survival and population.
If the population of the fish drops,( <u>the limiting facto</u>r) the bear drinks less water based on above, and therefore <u>disruptions of the ecosystem</u>.
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Answer:organs
Explanation:the body of multicellular organisms are organised into levels of organization.these levels increases in complexity.
The macromolecules makes up the organelles . organelles in turn makes up the cell.A group of similar cells at a certain location makes up an organ.for example the heart consists of a number of cells.
A group of organs which work together to achieve a specific function in the body , makes up the organs system.
For example the circulatory system of a while is made up of different connected organs - heart, blood vessels,to perform the function of transporting blood around it's body.this makes it an organ system.
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