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The understory therefore receives less intense light than plants in the canopy and such light as does penetrate is impoverished in wavelengths of light that are most effective for photosynthesis. Understory plants therefore must be shade tolerant —they must be able to photosynthesize adequately using such light as does reach their leaves.
With appropriate care from adults, young children can easily cope with tolerable stress and turn it into positive stress. However, if adult support is deficient in a child's coping stages, then tolerable stress can become detrimental. [4] Toxic stress can occur when experiences are long in duration and intensity. [14]
Moisture stress is a form of abiotic stress that occurs when the moisture of plant tissues is reduced to suboptimal levels. Water stress occurs in response to atmospheric and soil water availability when the transpiration rate exceeds the rate of water uptake by the roots and cells lose turgor pressure .
Psychological stress does not appear to be a risk factor for the onset of cancer, [54] [55] though it may worsen outcomes in those who already have cancer. [54] Research has found that personal belief in stress as a risk factor for cancer was common in England, though awareness of risk factors overall was found to be low. [56]
Also, punishing kids for having strong emotions — “There’s a real reaction to say, ‘Stop it right now or you’re going to get a time out,’” says Beresin — or diving into solutions ...
The theory of the Reynolds stress is quite analogous to the kinetic theory of gases, and indeed the stress tensor in a fluid at a point may be seen to be the ensemble average of the stress due to the thermal velocities of molecules at a given point in a fluid. Thus, by analogy, the Reynolds stress is sometimes thought of as consisting of an ...
Isabella appears to have been caught up in the rocky aftermath of one of the biggest shake-ups in Medicaid’s 60-year history. When the Covid public health emergency was ending, the federal ...
Here, a doctor explains what it means to bruise easily, causes, treatments, and when to see a medical professional. Medications and aging are big contributors. Here’s Why You Bruise So Easily ...