Question | Answer |
Plants are commonly classified into two major groups based on their internal structures. These two groups are ____________ and __________. | vascular and nonvascular |
________ plants are the largest group in the Plant Kingdom. | Vascular |
Vascular plants have a well-developed system for _________ water and food. | transporting |
Vascular plants have true ___, ____, and ____. | roots, stems, and leaves. |
Tube-like structures in vascular plants provide ______. | support |
Xylem | transports water and minerals from the roots to the rest of the plant. |
Phloem | transports food from the leaves to the rest of the plant. |
___ and ____ are examples of vascular plants with woody stems. | trees and shrubs |
___________ stems are soft and flexible like grass and tomato plants. | herbacious |
_________ plants do no have true roots, stems, and leaves because they lack a well developed system for transporting materials. | nonvascular |
Nonvascular plants must obtain nutrients directly from the __________ and distribute them from cell to ____ throughout the plant. | environment; cell |
_____ plants are very small in size. | nonvascular |
Mosses, liverworts, and hornworts are examples of ___________ plants. | nonvascular |
Seed-producing plants | plants that reproduce through seeds. |
Seed plants make their own ____. | seeds |
Seeds contain the plant _____,stored _______, and are surrounded by a seed ____. | embryo; food; coat |
The two major groups of seed-producing plants | cone-bearing plants and flowering plants |
Spore-producing plants | plants that produce spores for reproduction instead of seeds. |
Spores are much ______ than seeds. | smaller |
Almost all flowerless plants produce _____. | spores |
Mosses and ferns are examples of __________ plants. | seedless |
Flowering plants | grow their seeds inside an ovary, which is embedded in a flower. |
The flower becomes a ________ containing the seeds. | fruit |
Most __________ plants are evergreen with needle-like leaves. | cone-bearing |
Conifers never have flowers but produce seeds in _________. | cones |
Monocot | has one cotyledon, long narrow leaves with parallel veins, petals in multiples of three, and vascular tissue scattered throughout the stem. |
Dicot | has two cotyledons, has petals in multiples of 4 or 5, leaves that are wide with branching veins, and vascular tissue arranges in a cirlce within the stem. |
Leaves | function as the site of photosynthesis, respiration, and transpiration in plants. |
Stems | support the plant and hold the leaves up to the light. Stems also function as food storage sites. |
Roots | help anchor the plant in the ground. |