Science Flashcards
Give the characteristics of a DICOT plant
Petals and multiples of four or five and contain 2COTYLEDONS
Give the characteristics of a MNOOCOT plant
Petals and multiples of threes and contain one COTYLEDON
What are the four organs of a plant in the relationship to nodes
Roots have no noes
Stems have nodes
Veins Have not noes
What is the male part of a flower and the two parts that make It up
Stamen Is made up by the filament, and anther
What is a female part of a flower and the three parts that make It up
Pistols are made up by state style and ovary
Which part of the flower becomes a seed
OOULE
Which type of reproduction does not increase genetic variation
Asexual
What is an imperfect flower?
They lack one of these parts
What is a complete flower
They have Steman a pistol, petals and sepals
Can a flower be perfect but incomplete
No, because you need both male and female parts
Can a flower be complete but imperfect
No, cause it’s not complete
What is pollination?
Contains the mail gametes of the flower
How do petals help a flowering plant to reproduce?
They help the flower to attract pollinators
What is the plant organ that absorbs water?
Roots
What transports water to all parts of the
Xylem
Transports sugar and liquids
Phloem
w why are the plants greener on T The top of the leaf
Because chloroplast are on the top of the leaf
Why is the cuticle thicker on the top side of the leaf?
Because it’s exposed directly to light
What is transpiration and what organ does it occur?
Stomata in the leaves
What are stomata and what does a plant have them?
To regulate gas
What is turger pressure?
The water pressure inside of the stem that helps it stand up
When a plant grows towards the light, it is an example of what
Positive tropism
