Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

20 Cards in this Set

  • Front
  • Back
vascular tissue
plant tissue consisting of ducts or vessels, that, in the higher plants, forms the system (vascular system) by which sap is conveyed through the plant.
a compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots, consisting of tracheids, vessels, parenchyma cells, and woody fibers.
the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant
meristem growth
vertical growth
vascular bundle
a longitudinal arrangement of strands of xylem and phloem, and sometimes cambium, that forms the fluid-conducting channels of vascular tissue in the rhizomes, stems, and leaf veins of vascular plants, the arrangement varying with the type of plant.
a class of substances that in minute amounts regulate or modify the growth of plants, esp. root formation, bud growth, and fruit and leaf drop.
Any of several plant hormones, such as gibberellic acid, used to promote stem elongation.
Any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves.
containing the ethylene group.
abscisic acid
a growth-regulating plant hormone, C15H20O4, that promotes dormancy and the aging and abscission of leaves.
the young of a viviparous animal, esp. of a mammal, in the early stages of development within the womb, in humans up to the end of the second month.
seed coat
The outer protective covering of a seed
The nutritive tissue within seeds of flowering plants, surrounding and absorbed by the embryo.
a class of substances that in minute amounts regulate or modify the growth of plants, esp. root formation, bud growth, and fruit and leaf drop.
Botany A leaf of the embryo of a seed plant, which upon germination either remains in the seed or emerges, enlarges, and becomes green. Also called seed leaf.
phototropic tendency or growth.
oriented growth with respect to the force of gravity.
oriented growth of an organism in response to mechanical contact, as a plant tendril coiling around a string support.
the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
the part of a plant embryo directly below the cotyledons, forming a connection with the radicle.