Nutrition
Autotrophic nutrition
Why do plants need the interaction function?
To obtain information from their surroundings/environment.
What type of reproduction is carried out by plants?
They can reproduce both asexually and sexually.
What is the smallest group of plants?
Mosses
Where does photosynthesis take place?
In the leaves
a) What do plants need for photosynthesis? and
b) what do they produce?
a) Water, carbon dioxide and solar energy.
b) Sugar (glucose), and oxygen
What is the main difference between tropisms and nastic movements?
Tropisms are permanent changes in the plants while nastic movements are transitory.
Polen grains are the female gametes. Is it true?
No! Polen grains are the male gametes.
What group does it belong to the largest plant on Earth?
Gymnosperms.
What is the function of the phloem?
To transport the elaborated sap.
What is the name of the liquid produce AFTER photosynthesis?
Elaborated sap
Plants have negative phototropism. Is it correct?
No! They have POSITIVE phototropism.
What type of reproduction is better for plants to get adaptated to changes in their environment?
Sexual reproduction because it increases the genetic variability.
What is the botanical name for flowering plants?
Angiosperms
Capsule is a reproductive structure we can find in...
Mosses
What is the name of the two vascular tissues?
Xylem and phloem
Some plants open their flowers during the day and close them during the night. What type of movement is that?
It is a nastic movement.
What is the name of the reproductive structures of gymnosperms?
Cones
What groups of plants do belong to cryptogams?
Mosses and ferns.
No! Cellular respiration carries out along the whole day (day and night), while for photosynthesis plants need light for some stages.
What is type of vascular tissue used for transporting the raw sap?
Xylem
What type of nastic movement allows plants to open their stomata to take carbon dioxide from their environment?
Chemonasty
Only gymnosperms and angiosperms. Ferns and mosses produce spores.
In which type of plant can we find the structure called sori?
In ferns
What would happen with global temperature if plants did not exist?
Global temperature will be higher because the high CO2 atmospheric levels increses the greenhouse effect.