Answer:Which of the following correctly compares how plant and animal cells differ? Plant cells have a cell membrane and cell walls for support, but animal cells do not have cell walls. ... Animal cells have DNA in their nuclei and mitochondria, while plant cells have it in their nuclei, mitochondria, and chloroplasts.
Explanation:
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Organisms adapt to their changing environment. When there is some pressure in the environment (for example, increased competition for food), then species with the most advantageous adaptations will survive. Because environments change pretty frequently, the organisms living there must cope with this change. This leads to ever changing and evolving species and increased biodiversity. Lastly, a high level of biodiversity leads to a healthy ecosystem because of the vast variety of organisms in that space. Many species allows niches to overlap and therefore no one organism occupies one niche.
Answer:
False.
Explanation:
Sterilization technique is a method in which low temperatures is used for controlling of microorganisms growth which causes infection in food materials, while in microbicidal method, compounds are used to decrease the growth of harmful microorganisms in a substances which causes infection. Wood tar is the example of microbicidal compound.
Oxygen and glucose are needed for cellular respiration
Answer:
E. 3, 6, 7, 4, 5, 8, 1, 2
Explanation:
Systemic circulation is the circulatory pathway which is involved in the transport of the oxygenated blood to the body when pumped by the heart through arteries, capillaries and then back to the heart.
In the given question, the order of vessels in the systemic circulation has been asked which begins with the entry of the deoxygenated blood to the heart.
1. The deoxygenated blood enters the blood from vena cava to the right ventricle.
2. From the right ventricle, the blood enters the right atrium which pumps the de-oxygenated blood to the lungs through an artery called the pulmonary artery.
3. In the lungs, the blood becomes oxygen rich and is returned to the left atrium through the pulmonary vein.
4. The blood then enters the left atrium which is then pumped to the body through the main artery called the aorta.
This completes the systemic circulation and thus, Option-E is correct.
