Reproduction of living organisms
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What makes the continuation of life possible?
Reproduction.
How long has life existed on Earth?
About 4 billion years.
What are the two main types of reproduction?
Asexual reproduction and sexual reproduction.
What is unique about humans and reproduction?
Humans can control some aspects of reproduction.
Why is reproduction important for species?
It ensures survival.
How do species survive over millions of years?
Through successful reproduction.
Do all species reproduce the same way?
No, each species has its own method.
Can plants reproduce in more than one way?
Yes, sexually and asexually.
What is an example of asexual reproduction in a lilac tree?
Growth of shoots at its base. (Croissance de pousses à sa base)
What is an example of sexual reproduction in a lilac tree?
Producing flowers that make seeds.
Give an example of a tree using both types of reproduction
Lilac tree
What parts of a plant can reproduce asexually?
• Roots (Racines) • Stems (Tiges) • Leaves (Feuilles)
What is duckweed (plante appelée lentille d’eau) an example of?
Frond multiplication. (Une “fronde” est une petite feuille ou structure chez certaines plantes comme la lentille d’eau.)
How fast can duckweed spread?
It can cover a pond in a few weeks.
How can strawberry plants reproduce asexually?
Using stems.
What happens when the stems touch the ground?
They take root.
What grows after the stem takes root?
New stems and leaves.
Is the aspen forest made of many individuals?
No, it is one single individual. It’s a plant reproduction using roots. Roots produced shoots (pousses) that became many trees.
How many forms of sexual reproduction are there in plants?
3
What are the three forms of sexual reproduction ?
• Flowers • Cones • Spores.
What do flowering plants produce for their reproduction?
Seeds.
What do conifers produce for their sexual production?
Cones and seeds.
What organisms produce spores for its reproduction?
• Ferns • Algae • Mosses.
Does a seed contain everything needed to produce a new plant?
Yes