Types of Nutrition in Biology

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Questions and Answers

Which of the following is not required for photosynthesis?

Chlorophyll
Oxygen (correct)
Carbon dioxide
Sunlight

Autotrophs depend on other organisms for their food.

False (B)

Animals and many non-green plants are called __________ because they derive their food from other organisms.

heterotrophs

What are chloroplasts and what is their function in a plant?

Chloroplasts are organelles within plant cells that contain chlorophyll and are the sites where photosynthesis takes place. Signup and view all the answers

Match the following terms with their definitions:

Autotrophs = Organisms that produce their own food Heterotrophs = Organisms that derive food from other organisms Photosynthesis = Process by which plants make food using sunlight Chlorophyll = Pigment that traps solar energy Signup and view all the answers

Where primarily does photosynthesis occur in a plant?

In the leaves Signup and view all the answers

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Study Notes

Types of Nutrition

Two main types: autotrophic nutrition and heterotrophic nutrition.

Autotrophic Nutrition

Most plants can synthesize their own food via photosynthesis.
Utilizes carbon dioxide from the air and water from the soil, combined with sunlight and chlorophyll.
Green plants are categorized as autotrophs, indicating they produce their own food.

Heterotrophic Nutrition

Animals and non-green plants cannot produce their own food.
They obtain nutrients from other organisms, relying on plants directly or indirectly.
These organisms are referred to as heterotrophs.

Photosynthesis Location

Photosynthesis primarily takes place in green parts of the plant, especially the leaves.
Leaves are specially adapted for this process, characterized by their thin and flat structure for maximum sunlight exposure.
Contain numerous chloroplasts, which hold chlorophyll—the pigment that captures solar energy for photosynthesis.