State four reasons why transportation is important in biology
Answers
Answer:
Importance of transportation in plants:
Plants have no heart,no blood and no circulary system but they need Transportation for tansfer food,water and minerals from soil by two tubes are called Xylem and Phloem.Their collectively called Vascular bundles.
Xylem carry water and minerals from the soil. Phloem help carry suger solution which help to Sweet taste in plants.
Importance of transportation in animals:
Circulation in animals is important as it ensures that everything is working properly. • Vital substances (e.g. water, oxygen, CO2, nutrients, waste, hormones) have to move about within the body.
Explanation:
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Answer:
Explanation:
All living cells have to be provided with nutrients, O
2
, and other essential substances. Also, the waste or harmful substances produced, have to be removed continuously for the healthy functioning of tissues. Different groups of animals have evolved different methods for this transport. Simple organisms like sponges and coelenterates circulate water from their surroundings through their body cavities to facilitate the cells to exchange these substances. More complex organisms use special fluids within their bodies to transport such materials. Blood is the most commonly used body fluid by most of the higher organisms including humans for this purpose. Another body fluid, lymph, also helps in the transport of certain substances. Blood also plays an important role in the regulation of body temperature. Thus playing a role in the maintenance of homeostasis. As a major constituent of blood is water, blood is incompressible and helps maintain a uniform pressure throughout the body.