biology 1
What is the basic unit of life in plants?
cell
What part of the plant cell contains chlorophyll?
chloroplast
What is the rigid outer layer of a plant cell called?
cell wall
What organelle controls the activities of the plant cell?
nucleus
What substance in the cell wall provides strength and support?
cellulose
What part of the plant anchors it to the soil?
roots
What type of root system has one main root?
taproot
What root structure helps absorb water and nutrients?
root hairs
What is the function of the root
protects the root tip
How do roots help in plant growth?
absorb water and minerals
What part of the plant supports leaves and flowers?
stems
What tissue in the stem transports water?
xylem
What tissue in the stem transports food?
phloem
What is the outer protective layer of the stem called?
epidermis
How do stems help plants survive?
support, transport, and storage
What part of the leaf allows gases to enter and exit?
stomata
What green pigment helps leaves make food?
chlorophyll
What process do leaves use to make food?
Photosynthesis
What part of the flower produces pollen?
Anther
How do leaves help plants?
make food and exchange gases
What part of the flower attracts pollinators?
Petals
What is the male reproductive part of a flower?
Stamen
What is the female reproductive part of a flower?
Pistil
What is the main vein of a leaf called?
midrib
How does pollination help plants?
help produce seeds