1. It is only useful when the organism that is being identified was or is a part of organisms that are part of the key. An organisms is usually misidentified if it does not belong to the key.
2. It’s a complex mechanism of organism identification and may leads to chain of worng interpretations.
3. The characteristics which are devised to identify an organism might not be a distinct feature of the species already exiting in the dichotomous key.
4. Dependency on physical characteristics, does not take into account genetic characteristics
Answer:
Competition is an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor.
Explanation:
Here you need to put if you have any questions about the material you are learning. If you have none i would consider putting that you have none.
Answer;
-Saturated fats
Explanation;
-Cholesterol is transported in the blood by different carriers. The relative amounts of cholesterol transported by each carrier can affect one’s risk for heart disease. The two major blood cholesterol carriers are LDL (low density lipoprotein) and HDL (high density lipoprotein).
-LDL cholesterol is known as “bad” blood cholesterol, and functions to deliver cholesterol to cells throughout the body and can be deposited as “plaque” on artery walls.
-Dietary fat, especially saturated and trans fats, may raise blood levels of total and LDL cholesterol. High total blood cholesterol levels and LDL cholesterol levels increase risk of heart disease.
A: gross domestic product