please answer as many questions you can, but please answer, as tomorrow I have my biology exam
Answers
1.During daytime in the sunlight, the rate of transpiration is faster. This is because the stomata remains open to allow the inward diffusion of carbon dioxide for photosynthesis. During dark, the stomata are closed, and hence transpiration hardly occurs at night.
3.Auricles have thinner walls in comparison to ventricles because the major function of auricles is to receive blood and pump it to the respective ventricles. While the major function of ventricles is pump the blood out of the heart i.e. to lungs and to the body parts which requires a great force.
4.The universal donor blood type is O negative, meaning anyone with this blood type can donate blood to any other person regardless of their blood type
5.they are useful in releasing nutrients from dead decaying organisms back into the environment. these nutrients are used by plants. thus decomposers help in recycling of nutrients. decomposers are also called nature's scavengers.
C -a. Heart palpitations can have causes that aren't due to underlying disease. Examples include skipped heartbeats, variation with breathing, exercise, stress, smoking, use of marijuana, alcohol or some medications.
b. Most cardiac arrests occur when a diseased heart's electrical system malfunctions. This malfunction causes an abnormal heart rhythm such as ventricular tachycardia or ventricular fibrillation. Some cardiac arrests are also caused by extreme slowing of the heart's rhythm (bradycardia).
QUESTION 3
A. Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent. Sexual reproduction involves two parents and produces offspring that are genetically unique.
B. Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere. The way these components interact is critical in an ecosystem.
C.Factors affecting transpiration
temperature.
humidity.
air movement.
light intensity.
Answer:
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Explanation:
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