Chapter 1 Flashcards
(20 cards)
What are nutrients?
Components of food essential for living organisms, including carbohydrates, proteins, fats, vitamins, and minerals.
Nutrients are necessary for growth, repair, and energy.
How do plants differ from animals in terms of nutrition?
Plants can synthesize food for themselves, while animals cannot and must obtain food from plants or other animals.
This difference defines plants as autotrophs and animals as heterotrophs.
What is autotrophic nutrition?
The mode of nutrition in which organisms make food themselves from simple substances.
‘Auto’ means self and ‘trophos’ means nourishment.
What are autotrophs?
Organisms that can synthesize their own food, such as plants.
They use water, carbon dioxide, and minerals from their surroundings.
What are heterotrophs?
Organisms that cannot make their own food and depend on plants or other animals for nutrition.
‘Heteros’ means other.
What is the primary site of food production in plants?
Leaves are the food factories of plants.
This is where photosynthesis primarily occurs.
How do plants obtain water and minerals?
Through their roots, which absorb them from the soil.
This process is essential for transporting raw materials to the leaves.
What role does carbon dioxide play in plant nutrition?
It is taken in from the air and is one of the raw materials for photosynthesis.
Carbon dioxide is crucial for the synthesis of food in plants.
Fill in the blank: The process by which plants make their own food is called _______.
photosynthesis
Photosynthesis involves converting light energy into chemical energy.
Why can’t humans and animals make food from carbon dioxide, water, and minerals?
They lack the necessary processes and structures, like chloroplasts, to perform photosynthesis.
This is why they depend on autotrophs for sustenance.
What are nutrients?
Components of food essential for living organisms, including carbohydrates, proteins, fats, vitamins, and minerals.
Nutrients are necessary for growth, repair, and energy.
How do plants differ from animals in terms of nutrition?
Plants can synthesize food for themselves, while animals cannot and must obtain food from plants or other animals.
This difference defines plants as autotrophs and animals as heterotrophs.
What is autotrophic nutrition?
The mode of nutrition in which organisms make food themselves from simple substances.
‘Auto’ means self and ‘trophos’ means nourishment.
What are autotrophs?
Organisms that can synthesize their own food, such as plants.
They use water, carbon dioxide, and minerals from their surroundings.
What are heterotrophs?
Organisms that cannot make their own food and depend on plants or other animals for nutrition.
‘Heteros’ means other.
What is the primary site of food production in plants?
Leaves are the food factories of plants.
This is where photosynthesis primarily occurs.
How do plants obtain water and minerals?
Through their roots, which absorb them from the soil.
This process is essential for transporting raw materials to the leaves.
What role does carbon dioxide play in plant nutrition?
It is taken in from the air and is one of the raw materials for photosynthesis.
Carbon dioxide is crucial for the synthesis of food in plants.
Fill in the blank: The process by which plants make their own food is called _______.
photosynthesis
Photosynthesis involves converting light energy into chemical energy.
Why can’t humans and animals make food from carbon dioxide, water, and minerals?
They lack the necessary processes and structures, like chloroplasts, to perform photosynthesis.
This is why they depend on autotrophs for sustenance.
