Plants without seeds
Do the mosses have organs?
No
What don't gymnosperm flowers have?
Calyx and corolla
Main difference between gymnosperms and angiosperms
They form fruits
Function of root hairs
Absorb water and mineral salts
What are fast movements that last a short time called?
Nastics
What type of reproduction do mosses and ferns have?
Asexual and Sexual reproduction
Define monoecious and dioecious
Monoecious when the same individual has both male and female flowers and dioecious when they are present in different individuals.
Define inflorescence
Set of flowers
What is the name of the part of the leaf that is responsible for gas exchange?
stomata
What is tigmonasty?
Response to the contact
List the structures of mosses
Rhizoid, cauloid, phylloid, sporangia and gametangia
Example of gymnosperm plants
Pine, fir, cypress, cypress, cycad, ginkgo
Name and parts of the male reproductive organ
Stamen (filament and anther, containing the pollen grains)
Difference between xylem sap and phloem sap
The xylem sap circulates from the root to the green areas and it is composed of water and mineral salts, while the phloem sap circulates from the green parts to all the plant cells and it is mainly composed of carbohydrates.
What are tropisms?
Slow, irreversible movements in response to a stimulus
What are the fern leaves called?
Fronds
What do the leaves of conifers look like?
Small, numerous, hard and needle- or scale-like in shape
Name and parts of the female reproductive organ
Pistil (stigma, style and ovary)
Where does photosynthesis take place and what is produced?
It takes place in chloroplasts and oxygen and carbohydrates are produced.
Example of a negative tropism and a positive tropism
The sems of plnts grow towards the light and their roots grow away from it
What are fern sori?
Small bumps where sporangia are located on the abaxial surface of leaves
What are the leaves of pine trees called?
Needle or aculeus
What do angiosperm flowers usually look like?
hermaphrodites
Where does breathing take place?
In the mitochondria
What is photoperiodicity?
Day and night length