Answer:
A
Explanation:
The dead matter from organisms such as plants and animals that die need to be recycled so the nutrients in the matter are released and used up by other organisms. This is how sustainability is achieved in ecosystems through a cyclical nature of nutrients flow. Decomposition of the dead matter is done by decomposers such as fungi and bacteria. Without them, the dead matter would accumulate while the soil would lack nutrients for plants to grow and for other bacteria to utilize for energy. This would affect the rest of the food chain/web causing the ecosystem to collapse.
Answer:
D. pituitary gland
~+. lil more info .+~
The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
<span>The first three scientific inquiry is being related because
they are all equivalent to the facts of finding emission.
They develop a question that must be answered.
1. The first scientific inquiry is to pose a question or else a problem is being investigated.
2. The next step is the observation, and it helps to form a hypothesis which explains the phenomenon or effect of what is observed.
Scientific inquiry is the diverse ways in which scientist study the natural world and then propose the explanations which are based on evidence which is derived from their work. Also, students develop science ideas of knowledge and understanding how scientist they do study the natural world.</span>
The correct answer is B. Pinna because auris externa is the external portion of the ear, which is called auricle ( also known as pinna ).
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Vitamins are organic substances because you get your vitamin D from the sun and the sun is not artificial is it. So that is false
