Answer:
D. Predator-prey!
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- Nucleic Acids. The nucleic acids are DNA and RNA, or deoxyribonucleic acid and ribonucleic acid, respectively.
-Proteins. Proteins are probably the most versatile of all the organic molecules, making up many structures and executing various functions within organisms.
-Carbohydrates. Carbohydrates comprise the largest number of organic molecules in organisms. Basically, carbohydrates are sugars; their origin can be traced to photosynthesis, the process by which organisms such as plants use sunlight to transform carbon dioxide and water into food.
-Lipids. Lipids, perhaps better known as fats, come in different forms in your body and contain the most energy of all the organic compounds.
1.) A feature that is not the direct result of glaciation is meander. The correct answer is A.
2.) Sedimentation is least likely to occur on a mountainside. The correct answer is A.
Smooth muscle, a type of tissue that allows for constriction or dilation, makes up the blood vessel walls. The absence of striations (stripes), which are present in both skeletal and cardiac muscles, gives smooth muscle its name.
Only smooth muscle cells are found in blood arteries. The tunica media houses these muscle cells, elastic fibres, and connective tissue. Even though vessels only have smooth muscles, skeletal muscle contractions are crucial for the venous system's ability to transport blood from the periphery to the heart.
The autonomic nervous system regulates the smooth muscle found in the walls of hollow internal organs like blood vessels, the gastrointestinal tract, the bladder, and the uterus. Since smooth muscle cannot be consciously controlled, it behaves spontaneously.
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