Comparing Starch Presence in Leaves and Sunlight's Role in Photosynthesis

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What raw materials do autotrophs need for building their body?

Water, nitrogen, phosphorus, iron, and magnesium

How do terrestrial plants acquire water for photosynthesis?

Plants take up water from the soil through their roots.

What form is nitrogen taken up by plants for synthesis of proteins?

Inorganic nitrates or nitrites, or as organic compounds prepared by bacteria from atmospheric nitrogen

How do autotrophs obtain other essential elements like phosphorus, iron, and magnesium?

Plants take up these elements from the soil. Signup and view all the answers

Explain the role of nitrogen in the synthesis of compounds by autotrophs.

Nitrogen is essential for the synthesis of proteins and other compounds. Signup and view all the answers

How do autotrophs adapt to their environment in terms of nutrition?

Each organism has a specific form of nutrition adapted to its environment. Signup and view all the answers

What is the main process by which autotrophic organisms fulfill their carbon and energy requirements?

Photosynthesis Signup and view all the answers

What are autotrophs and give an example of autotrophic organisms?

Autotrophs are organisms that can produce their own food using inorganic sources like carbon dioxide and water. Example: Green plants and some bacteria. Signup and view all the answers

What are heterotrophic organisms and give an example of heterotrophs?

Heterotrophic organisms are organisms that cannot produce their own food and depend on other organisms for sustenance. Example: Animals and fungi. Signup and view all the answers

What role do enzymes play in breaking down complex substances for organisms?

Enzymes act as bio-catalysts to break down complex substances into simpler ones that can be used for growth and maintenance. Signup and view all the answers

How do autotrophs differ from heterotrophs in obtaining their food?

Autotrophs can produce their own food from inorganic sources, while heterotrophs need to consume other organisms or organic matter for food. Signup and view all the answers

Explain the dependency of heterotrophs on autotrophs for their survival.

Heterotrophs depend directly or indirectly on autotrophs for the food they produce. Autotrophs provide the base of the food chain. Signup and view all the answers

How does Amoeba take in food?

Amoeba takes in food using temporary finger-like extensions of the cell surface which fuse over the food particle forming a food-vacuole. Signup and view all the answers

How does Paramoecium take in food?

In Paramoecium, food is taken in at a specific spot by the movement of cilia which cover the entire surface of the cell. Signup and view all the answers

What differentiates the digestive system in various organisms?

The food and the way it is obtained differ, leading to different digestive system designs in various organisms. Signup and view all the answers

What is the basic structure of the alimentary canal in Human Beings?

The alimentary canal in Human Beings is basically a long tube that extends from the mouth to the anus. Signup and view all the answers

How do single-celled organisms like Amoeba and Paramoecium obtain nutrition?

Single-celled organisms like Amoeba and Paramoecium obtain nutrition through different methods such as surface intake and cilia movement. Signup and view all the answers

What are some examples of organisms using parasitic nutritive strategy?

Some examples of organisms using parasitic nutritive strategy are cuscuta (amar-bel), ticks, lice, leeches, and tape-worms. Signup and view all the answers