facts about a tree
what are the functions of roots?
they help hold up the plant firmly in the ground
the_______or stalk attaches the leaf to a branch?
petiole
what are the 4 main organs?
root, stem, and leaf
what do plants need to make food?
carbon dioxide, water, and light
why can you not see or hold air
the tiny, invisible, particles of gases in air are far apart.
`what is the difference between xylem and phloem tissue?
xylem Carry out the water and minerals from the roots to the stem and leaves and phloem carry out the food from the leaves to the stem and roots
the underside of each leaf has many small opens called______?
stomata
how do plants have organs?
plants are made of cells
how do producers prepare food?
when animals use oxygen to break down food to release the chemical energy stored in it what is this process called?
cellular respiration
what does a annual ring tells you?
the annual layers build up in some plants so the stems become thicker as they get taller
what are the three main parts?
petiole, blades, and veins
how do plants organs reproduce?
threw pollen
where does carbon dioxide enter and leave the plant from?
the stomata
what is the opposite of respiration?
photosynthesis
what are the main parts of a tree
roots, trunk and leaves
how much can a tree gather of energy from the sun?
large amounts
is a leaf an organ of a plant?
a leaf is the most important organ of plants
water comes up the from the roots through the _____?
xylem
photosynthesis and respiration are part of what cycle?
The carbon dioxide-oxygen cycle
what do stomata do
stomata allows the gases and carbon dioxide and oxygen to enter and leave the leaf
stomata allows gases such as _____ and _____ to enter and leave the leaf
carbon dioxide and oxygen
trun or false does plants feel pain when you cut them?
no, they lack brain and pain receptors
what is the chemical equation for photosynthesis
Carbon Dioxide + water + light energy = sugar/glucose + oxygen
what cells open and close a stoma
guard cells