All organisms need food, what are the two main ways of how organisms get their food?

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All living things are made of

• Cells are the basic unit of life.
• All the living things are made up of cells.
• The living things may be unicellular ( single celled) or multicellular ( multiple celled).

Which organisms normally perform photosynthesis?

• All the photosynthetic organisms are called autotrophs.
• Autotrophs are the producers in food chain.

What is one of the 3 products of cellular respiration?

The overall equation of cellular respiration is:-

•  6glucose + 6 oxygen= 6 carbon dioxide+ ATP +6 water
• Cellular respiration is the process in which the food we eat is broken down to release energy in the form of ATP.

Where does CO₂ enter the leaves through?

• Stomata are responsible for the exchange of gases in plants.
• Stomata are the tiny pores present on leaves.
• The tiny pores are enclosed by guard cells and subsidiary cells.

Pigment in green plants that captures the energy in sunlight is called _______.

• Chlorophyll is green coloured pigment.
• It traps sunlight for photosynthesis.
• It present in chloroplast.

What is one of the ‘ingredients’ for photosynthesis?

• Within the plant cell, the water is oxidised, means loses electrons. And carbon dioxide is reduced, means it gains electrons.
• This transforms, the water into oxygen and carbon dioxide into glucose.

Where does photosynthesis take place in the plant cell?

• Chloroplasts are surrounded by a double membrane.
• And it contains a third inner membrane, called thylakoid membrane.
• The thylakoid membrane forms long folds within the organelle.

How does a heterotroph get energy?

Chemosynthesis is the process of production of food in heterotrophs by using chemical energy stored in inorganic molecules.

How do autotrophs get their food?

Photosynthesis is the process in which autotrophs create their own food by converting carbon dioxide into glucose and water into oxygen.

How many parents are necessary for asexual reproduction?

In Asexual reproduction:  spores , buds etc. can produce new full organism.

What does ‘multicellular’ mean?

• Multicellular organisms have eukaryotic cells.
• The cells having different types of organelles.

Which word describes an organism that produces its own food?

• Photosynthesis is the process performed by autotrophs to make their own food and energy.
• The process takes place in chloroplast.
• Chloroplast contains green coloured pigment called chlorophyll to trap sunlight for photosynthesis.

The process whereby an organism produces more of its own kind

• Asexual reproduction:- to produce new offspring without gametes formation by a single parent.
• Sexual reproduction:- to produce new offspring by gametes formation with involvement of two parents of different sex (male and female).

A change in an organism's surroundings that causes it to react is called

• Stimulus is required to respond any situation.