Unit 9 Organs

1. absorption 2. support of leaves 3. food-making 4. seed production 5. seed dispersal

1. foot 2. stem 3. leaf 4. flower 5. fruit

monocotyledon

a flowering plant with seeds that have one seed leaf; ex.: corn

dicotyledon

a flowering plant with seeds that have two seed leaves; ex.: bean

endosperm

a food storage tissue which assists in seed development in flowering plants; may or may not be apparent depending upon the stage of seed maturation

cotyledon

a seed leaf; may store (dicot) or absorb (monocot) food in seeds of flowering plants

receptacle

an expanded portion of the stem that supports the flower head

Flowering plants are classified as _____.

angiosperms

guard cells

cells that form the opening of stomata

The _____ helps stabilize soil from erosion.

fibrous root

The matured ovary of a plant is a _____.

fruit

Clusters of flowers are called _____.

inflorescence

Cactus spines are modified _____.

leaves

The male and female parts of a flower are the _____.

pistil stamen

vascular cylinder

plant parts containing the phloem and xylem

Plant organs include:

roots stems leaves

Humans have pores in their skin to sweat and cool off the body. Plants have similar structures called _____.

stomata

adventitious

the appearance of buds or roots from tissue that is not bud or root tissue; when roots appear from stem or leaf tissue and buds appear in root tissue

pistil

the female sex organ of the plant

stamen

the male organ of plants; a ring of pollen-producing appendages of a flower

fruit

the mature ovary of the flower that contains its seeds

sepal

the outermost ring of leaf-like appendages of a flower; often green or inconspicuous and outside the petals

petal

the ring of leaf-like appendages occurring inside the sepals but outside the stamens

inflorescence

the specific pattern of flower arrangement of a plant

stomata

the tiny pores or leaf openings appearing between guard cells of the epidermis; where oxygen and carbon dioxide exchange between inner photosynthetic leaf cells and the atmosphere occurs

tendrils

thin, coiling plant parts that support the stems of climbing plants like grapes

Which of the following are functions of stems?

transporting water from the roots to the leaves transporting minerals from the roots to the leaves transporting food from the roots to the leaves