Ch. 7

The leaf pigments mostly responsible for gold to orange leaf colors in the fall are

CAROTenes

The large cells of certain grass leaves that permit the leaves to roll up under dry conditions are

bulliform cells

The epidermis of leaves normally is coated with

cutie

Typical leaves function as ________ in the plant

solar panels

Modified leaves are used by insectivorous plants to trap insects. One such plant that has movable modified leaves is

the Venus flytrap

Which of the following is NOT a specialized leaf? tendril of a pea plant pitcher of a pitcher plant Irish (white) potato Venus flytrap sundew

the potato

Xylem and phloem in a leaf are part of the

veins

The opening and closing of stomata is governed by ________ levels in the guard cells

water

What plants produce leaves with chemicals that affect the behavior and/or mood of people?

weed, tobacco, caco

Stomata are part of this tissue

epidermis (both)

Which of the following is a function of a stoma

facilitate transpiration

Bracts are

found at the bases of flowers or flower stalks ex: poinsettia