Question

1. What are the differences between autotrophic nutrition and heterotrophic nutrition ?

2. Where do plants get each of the raw materials required for photosynthesis ?

3 aerobic and anerboic respiration

4. How are water and minerals transport in plants ?

5. Describe the structure and functions of nephrons​

Answer 1

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1. Autotrophs are organisms that prepare their own food through the process of photosynthesis, whereas heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.”
2. Photosynthesis, green plants absorb water and minerals from the soil and use the energy of the sun to synthesize sugars (carbohydrates). The carbon is obtained in the form of carbon dioxide from the atmosphere through stomata.

4. Plants have tissues to transport water, nutrients and minerals. Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant.

5. A nephron is the basic unit of structure in the kidney. A nephron is used separate to water, ions and small molecules from the blood, filter out wastes and toxins, and return needed molecules to the blood.

The glomerulus is the specialized configuration of capillaries within the nephron that make kidneys possible.

Answer 2

Answer:

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Explanation:

(1)Autotrophs are organisms that prepare their own food through the process of photosynthesis, whereas heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.”

(2)Carbon Dioxide: Plants get CO2 from atmosphere through stomata. ii. Water: Plants absorb water from soil through roots and transport to leaves.

(3)Living organisms use energy released by respiration for their life processes. There are two types of respiration – aerobic (which needs oxygen) and anaerobic (which doesn't need oxygen).

(4) Thus, a plant absorbs water and minerals from soil through roots and transport it other parts like stem, leaves, flowers etc. It is through two kinds of elements of xylem tissue called, xylem vessels and tracheid that water and minerals move from roots of a plant to its leaves.

(5)The nephron is the microscopic structural and functional unit of the kidney. It is composed of a renal corpuscle and a renal tubule. The renal corpuscle consists of a tuft of capillaries called a glomerulus and an encompassing Bowman's capsule. The renal tubule extends from the capsule.