How life continues
Living beings produce new individuals of their own kind.
An old mango tree
A very old mango tree finally dies. Near it, small mango plants are growing.
What do you think the small plants show about how life goes on?
What this lesson covers
The idea
Reproduction is the biological process by which living beings produce new individuals of their own kind; it is how life on the Earth continues to exist.
An old mango tree
A very old mango tree finally dies. Near it, small mango plants are growing.
What do you think the small plants show about how life goes on?
- Living beings produce new individuals of their own kind
- Living beings stay alive for ever
- New plants appear from the soil by themselves
Parents and young ones
Match each living being with the new individual it produces.
Life goes on
Every living being has a life span: it is born, grows, matures, reproduces and eventually dies. But before that it produces new individuals of its own kind, so a mango tree may die, yet its seeds grow into new mango plants.
Reproduction is the biological process by which living beings produce new individuals of their own kind. It is how life on the Earth continues to exist.
Notes
Reproduction is how living beings produce new individuals of their own kind, so that life on the Earth continues.
Check yourself
Reproduction is the biological process by which living beings…
A mango tree grows old and dies. How does the mango plant continue to exist?
Which pair is correct?
What does reproduction help to do?
- grow bigger as they get older. Growing bigger is growth. Reproduction produces new individuals of the same kind.
- produce new individuals of their own kind — correct. Yes!
- make food using their leaves. Plant leaves perform photosynthesis. Reproduction is the process that produces new individuals.
- The old tree comes back to life. The tree has a life span and eventually dies. It is its seeds that continue to grow as new plants.
- New mango plants appear without any seeds. A mango tree dies, but its seeds continue to grow as new mango plants.
- Its seeds grow as new mango plants — correct. Yes!
- A cat gives birth to kittens — correct. Yes!
- A cow gives birth to puppies. Cows give birth to calves. Puppies are the young ones of dogs.
- A dog gives birth to calves. Dogs give birth to puppies. Calves are the young ones of cows.
- It makes each living being live for ever. Every organism has a definite life span: it is born, grows, matures, reproduces and eventually dies.
- It keeps life on the Earth going — correct. Yes!
- It stops living beings from growing. Living beings grow and mature, and they reproduce too. Reproduction does not stop growth.