<span>Cyst formation in a paramecium enables genetic exchange by conjugation.</span><span>
Through the reproduction of cysts, the survival of brine shrimps increase even when dealing in extreme conditions. The cysts can remain in total stasis for two years in oxygen less surroundings, they can survive freezing temperature and boiling tempreture. When conditions improve and eggs are placed in salt water, they hatch within a few hours and increase the population of brine shrimps. </span>
Is caused by vibration, can travel through a vacum, and travels in longitudinal waves<span />
Critics of sustainable agricilture claim that its farming methods will result in <u>lower crop yields</u>.
B) lower crop yields is your answer
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Answer:
Human activities affect the flow of energy and matter in an ecosystem and alter the energy balance in ecosystems through the unsustainable nature of what they do. The energy flow is affected in several ways as a result of pollution, overpopulation, deforestation, burning fossil fuels, etc. Such changes have stimulated soil erosion, climate change, causing water unfit to consume, poor quality of air and so on. When humans cause a change in the energy balance, they impact the ability of the ecosystem to respond and adapt to changes in the environment. It is like getting a cut, but it never heals and grows bigger instead.
Answer:
Net force=120N-90N=30N
30N to the right