How Organisms Develop Flashcards
How does a zygote turn into an embryo?
Diving by mitosis
What are cells called in an embryo, up to the 8 cell stage?
Embryonic stem cells
After the 8 cell stage what happens to the cells in an embryo?
They start to differentiate
What is an organ?
Groups of tissues
What type of cells do plant stem cells turn into?
Specialised cells
What do plant hormones do?
Control growth near the tips of shoots and roots
Name two plant tissues:
Xylem
Phloem
What does ‘clone’ mean?
An identical copy of the parent
What are unspecialised cells called in plants?
Meristem cells
What is phototropism?
The growth towards or away from light
How does phototropism increase the chance of survival for a plant?
It makes the roots grow away from the light and makes the shoots grow towards the light
What are plant hormones called?
Auxins
What is a zygote?
A fertilised egg
