Natural system is former when various components get grouped together for a particular function
Answer:D
Explanation:2 DNA ms form
Explanation:
An aneurysm that divides the three layers of the artery wall, as opposed to inflating out the entire wall, is known as a dissecting aneurysm.
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What causes an aneurysm to form?</h3>
Multiple circumstances that lead to the breakdown of the well-organized structural elements (proteins) of the aortic wall, which maintain and stabilize the wall, can result in an aneurysm. Uncertainty surrounds the precise cause. Aneurysmal disease is thought to be significantly influenced by atherosclerosis, which is the hardening of the arteries with plaque.
Surgical intervention can be required since an aneurysm may continue to grow in size and the arterial wall may deteriorate over time. One of the objectives of therapy is to prevent aneurysm rupture. The risk of an aneurysm rupturing increases with its size (bursting). A rupture could lead to fatal hemorrhage (uncontrolled bleeding), which is life-threatening.
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Answer: A. Spruce trees reduce the sunlight available to young pine trees, thus decreasing the environment's carrying capacity for pine trees.
Explanation:
Carrying capacity is the maximum number of the members of the population of a species which an ecosystem can sustain in terms of availing the resources. The population size will be affected when the carrying capacity does not meet the demand of the population.
In the given situation, the pine trees requires the sunlight to mature whereas the spruce trees requires the shade to get mature. If the spruce trees are taller than the pine trees they are likely to reduce the available sunlight of the young pine trees. Hence, the environmental carrying capacity for pine trees will decrease in the absence of proper sunlight.
