Unit 14 Review Flashcards
How dose the stomata open
They open when there is sunlight and the plant has water
How dose cohesion- tension transport work
The transpiration of water from the leaves creates a vacuum that pulls more water up through the xylem
What is the name of the system that phloem uses to move stuff
Pressure- flow
Why won’t cohesion-tension transport work with phloem
Because it can only move in one direction
Is a mature leaf a source or a sink
A source
Are roots sources or sinks
Sink
What are the 3 chemicals that nitrogen is broken down into for plants to use
Ammonium
Nitrite
Nitrate
What breaks down the nitrogen
Bacteria in the soil
If a plant arises from vegetative reproduction is it the same as the parent plant
Yes because it is a form of asexual reproduction
If a plant arises from a plant that fertilized itself is it identical to the parent plant
No
What are the forms of reproduction that use meiosis
Microscopic mother cell
Megaspore mother cells becoming megaspores
What are the forms of reproduction that use mitosis
Microspores becoming pollen grains
Megaspore becoming an embryo sac
What are the male and female parts of a flower
Stamen is the male part and pistil is the female part
What is a pollen grain made up of
A tube nucleus (1) sperm nuclei (2) (male)
What is an embryo sac made up of
Megaspores, (7) 6 have a haploid nucleus one of which is the egg cell, there is a larger central cell that has 2 nuclei
(female)
