1) Why is bulk transport necessary in both plants and animals? The premise of the question...
1)
Why is bulk transport necessary in both plants and animals?
The premise of the question is incorrect, since bulk transport is only found in animals, and is not found in plants
Because diffusion is inefficient over long distances
Because diffusion is inefficient over short distances
Because multicellular plants and animals have a very high surface area to volume ratio relative to single celled organisms
2) What is a key difference between fluid transport in plants and in animals (with a closed circulatory system)?
Specialized fluids in animals must transport large amounts of O2, whereas fluids in plants do not transport large amounts of O2
Animals have specialized structures that carry fluids, whereas plants do not have specialized structures for fluid transport
Nutrients are carried throughout the body of animals as a result of fluid transport, but this is not the case in plants
Plants do not use any ATP for fluid transport, while animals must use large amounts of ATP to transport their body fluid.
Homework Answers
1. Bulk transport occur in both plant and animal because diffusion is is inefficient over large distances . Diffusion occur due to concentration gradient and its a random motion of individual molecule .
Bulk flow is the movement of water and solutes together due to a pressure gradient .
2. (a) In animals , closed circulatory system ensure to reach every cell in their body and provide them nutrients and oxygen .
In plants , fluid transport ensure that each plant cell get nutrients and carbon dioxide in their body .
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