Diatoms have cell walls composed of Silicon Dioxide.
Explanation:
Cutting down a forest to plant corn in an area has telling consequences on the biodiversity of life in an area. Some of the consequences are:
- Habitat loss by organisms reduces their population and leads to a drop in biodiversity.
- Some arboreal organisms that lives in trees becomes threatened and they will eventually be lost.
- A forest is a diverse ecosystem that offers a broad range of life sustaining resources to organisms. A corn field is highly limited ecosystem.
- Converting a forest to a corn field leads to decrease in the biodiversity of an area.
- There is less food and competition will become higher.
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Answer:
Inhale
Explanation:
When the diaphragm is pulled downwards, it increases the volume and decreases the air pressure within the thoracic cavity, and you inhale.
Ans.
There are twenty amino acids that take part in protein synthesis. These amino acids act as precursor for all protein molecules and are known as essential amino acids. Plants can synthesize all twenty amino acids from simple precursors, while animals can make only twelve amino acids. Animals obtain remaining eight amino acids by eating plants.
Thus, the correct answer is 'option) D.'
I mean, there's plenty of differences between muscle and nerve cells. For one, they serve different functions. Nerve cells react and send stimuli rapidly through action potentials, functioning in the nervous system and allowing the brain to communicate with the rest of the body, while muscle cells allow muscles to move. Another difference is the structure of the cells, with nerve cells having dendrites, axons, and neurotransmitters to assist in the firing of action potentials. You're going to have to be a little more specific, I can't really help you any more with such a broad question.
