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lbvjy [14]
3 years ago
12

Which of the following statements describes density-independent limiting factors?

Biology
1 answer:
vfiekz [6]3 years ago
4 0
Competition is an example
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Please help: Which process in plant physiology could not occur if the opening of the undersides leaves are closed?
lapo4ka [179]

A)Photosynthesis

Explanation:

  • Photosynthesis is the process by which green plant prepare glucose using carbon dioxide and water in presence of sunlight and chlorophyll.
  • The openings on the undersurface of the leaves are called stomata.
  • Stomata play a vital role in exchange of gases between tissues and the surrounding.
  • If these openings remain closed then carbon dioxide will not diffuse into the cells and oxygen will not diffuse out of the cell.
  • As a result,  photosynthesis will not take place and the plants will die due to lack of food and nutrients.

7 0
3 years ago
Weakening of pelvic floor muscles and the urethral structure as a result of trauma, childbirth, hormonal changes of aging, obesi
vredina [299]

Answer:

The correct answer is stress incontinence or enuresis.

Explanation:

Stress incontinence or enuresis is the clinical term for not having control over the bladder and accidentally urinate. Enuresis or urinary enuresis is generally found in the babies who developing the bladder control such enuresis called primary enuresis.

Accidentally urination can also happen in adults who are going through hormonal change, aging, obesity, trauma or weak pelvic floor muscles, this type f enuresis is called secondary enuresis.

Thus, the correct answer is - stress incontinence or enuresis.

7 0
3 years ago
Sensory cells and sensory neurons allow multicellular animals to sense physical and chemical cues from their environment. what k
Lynna [10]
The options for this question are:
A. Sensory cells and sensory neurons have electrically excitable membranes that change in charge potential in response to binding an environmental signaling molecule.
B. All sensory cells and sensory neurons fire action potentials when they bind a signaling molecule.
C. Sensory cells and sensory neurons have protein receptors linked to intracellular or membrane-based signaling pathways that alter ion channel permeability.
 The best answer choices are: A & C
Sensory cells and sensory neurons have electrically excitable membranes that change in charge potential in response to binding an environmental signaling molecule.
Sensory cells and sensory neurons have protein receptors linked to intracellular or membrane-based signaling pathways that alter ion channel permeability.

Explanation:
Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical impulses.
For example, some sensory neurons respond to tactile stimuli and can activate motor neurons in order to achieve muscle contraction. Sensory receptors located in the dermis or epidermises of the skin are called cutaneous receptors. These include nociceptors and thermoreceptors. <span>
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5 0
3 years ago
Read 2 more answers
Chronic pain affects approximately _____ of the population in the United States.
Tems11 [23]
<span>Chronic pain affects approximately thirty percent of the feeling which is often caused by damaging of stimuli.

It is regarded as a symptom of an underlying condition. It motivates an individual to withdraw from a damaging situation and also protect damaged body part when it still continues to heal.
Some of the pain they resolve once the noxious stimulus is being removed and then the body is healed though it may persist.</span>
7 0
3 years ago
What is the approximate value for “g” the acceleration due to gravity on earth?
Ksivusya [100]
It is approximately 9.81 m/s2
4 0
3 years ago
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