Answer:
Answer is A. allow them to control all the variables involved.
Explanation:
Modelling in ecology means the use of constructed mathematical models for understanding of ecological processes and to predict or know how real it is for ecosystem to change.
Ecological modelling is useful in defining problems more precisely and clarity of concepts.
Answer: Sphincter muscles
Explanation:
The circular rings of smooth muscles, that can contract to regulate the movement of the smooth muscles that can contract to regulate the movement of food through the gastrointestinal tract are known as sphincter muscles.
These two layers are outer layer and inner layer. The outer layer is longitudinal and the inner layer is circular. They contract rhythmically to squeeze food.
Answer:
After the water soluble hormone approaches its target, the last thing that happens in change in cell activity and the hormones send a signal/message to the original hormone.
Explanation:
Water soluble hormones easily attach themselves to the cell. These water soluble hormones are made up of amino acid. Amino acid are basically proteins which are easily soluble in water.
These water soluble hormones cannot enter the cell membrane of the cell because they are made up of fat cells.
