Maintaining life Flashcards
1
Q
what are the 8 sections of a leaf?
[8]
A
waxy layer [1]
upper epidermis [1]
palisade layer [1]
spongy layer [1]
somata [1]
lower epidermis [1]
guard cells [1]
2
Q
4 reasons why plants need water
[4]
A
support
transportation
cooling
photosynthesis
3
Q
what does MRS GREN stand for
[7]
A
Movement [1]
Respiration [1]
Scenes [1]
Growth [1]
Reproduction [1]
Excretion [1]
Nutrition [1]
4
Q
what is excretion?
A
getting rid of waste materials that have been used by the body’s cells.
5
Q
why doesn’t get rid of faeces count as excretion?
A
faeces has never been a part of the body or been used by the body’s cells. It is only what the body can’t be digested.
6
Q
what is urea
A
7
Q
what is
A
