6th Grade Science Test 1 Flashcards
the chemical process by which a plant produces food
photosynthesis
any grown response of a plant to a condition in its environment
tropism
the transfer of pollen from the stamen to the pistil
pollination
the process in which an egg stored inside an ovule unites with a sperm cell from a grain of pollen
fertilization
the pigment that gives a plant its green color
chlorophyll
a colorful leaf surrounding certain flowers such as the dogwood and the poinsettia
bract
an underwater plant with hollow, bladderlike leaves filled with water that are used to trap insects
bladderwort
the plant with hinged leaves that close shut like the jaws of a steel trap
Venus’s-flytrap
the bright colors and honey-scented nectar of this plant lure the insects that drown in its leaves
pitcher plant
the sticky, glistening dew drops on this plant are the bait that attracts insects
sundew
the pores on the underside of the leaf
stomata
the part of the plant that grows below the ground
root system
the waxy substance that coats the leaf
cuticle
the structures that allow the stomata to open and close
guard cells
the tough, fibrous material used to form the cell walls of plants
cellulose
“packages” of chlorophyll found in leaf cells
chloroplasts
a particularly deep main root
taproot
the layer of thick, protective cells at the tip of the root
root cap
plants store sugar in their roots in the form of
starch
an especially large vein running up the middle of many leaves
midrib
the part of the seed that is a miniature undeveloped plant
embryo
the noticeable part of the flower that attracts bees
petal
geotropism is a plant’s response to
gravity
a person who studies plants
botanist
wheat, rice, and corn are examples of what kind of grasses
cereal
the part of the plant that is above ground
shoot system
Spanish moss is a type of
epiphyte
the ovary of the plant develops into the
fruit
the main function of the ___ is to make food for the plant
leaf
the main function of the ____ is to absorb water and minerals from the ground
roots
an underground storehouse made with layers of thick, fleshy leaves that surround a very short stem
bulb
a seed that is alive but inactive is
dormant
Be able to identify the six parts of a flower from a picture
sepal pistil stamen petal ovule ovary
Where does photosynthesis occur?
in the leaves of the plant
two conditions needed for a seed to sprout
moisture and warmth
Be able to identify flowers from these families by studying pictures and characeristics
lily family pea family grass family rose family composite family
