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Plants - Home - Dr B M Salameh
Plants - Home - Dr B M Salameh

... • Spores: resting structures, able to survive harsh conditions, germinate to form gametophytes. ...
PLANT morphology
PLANT morphology

... Morphology: branch of botany that deals with external features of plants. Anatomy: also known as Micro morphology of plants and plant or vegetable histology; is concerned with the microscopic structure of the tissues, cells and organs of plants. ...
Light and Temperature Interaction
Light and Temperature Interaction

... • promotes stem elongation ...
Insect Pests of Water Garden Plants
Insect Pests of Water Garden Plants

... are longer than their bodies. Their hairy wings are held roof-like over the bodies. Larvae (b), often called caddisworms, have a pair of hook-like appendages at the rear. The larvae characteristically wiggle up and down and back and forth in a movement called the “Caddisfly Dance.” Caddisfly larvae ...
Newsletter - Sun and Black Flowers
Newsletter - Sun and Black Flowers

... to brighten spirits even on the shortest, dreariest winter days. Pick carefully and they also provide scent -- from rich and flowery to warm and spicy. Read on to discover some of our favorite fragrant plants. ...
monocot vs. dicot
monocot vs. dicot

... the soil and the air.  Plants have evolved two systems: a subterranean root system to obtain water and minerals from the soil and an aerial shoot system of stems and leaves used to transform light into chemical energy (food).  The root system anchors the plant in the soil, absorbs minerals and wat ...
Wilderness Survival
Wilderness Survival

... Lamb’s Quarter is one of the earliest spring plants. Both the leaves and seeds are edible. Most people consider this plant to be a weed, since it grows in gardens and crowds out other plants. Because Lamb's Quarters does not have beautiful flowers, it is not wanted by most gardeners. ...
Zea mays  -
Zea mays -

... emergence; lower leaves (1-4) dry up; tassel formation has been initiated; growing point and tassels are above soil surface (increased vulnerability to freeze and hail); tillers (ear shoots) begin developing ...
Seaweed Notes II
Seaweed Notes II

... • These do have true roots, stems and leaves. –They need specialized tissues to transport water, nutrients, and food. ...
PLANT DIVISIONS
PLANT DIVISIONS

... Redwoods, firs, pines, yews, cypresses Naked seeds: not enclosed in fruits Wind pollination (NEEDS A LOT) Seeds, vascular tissue No flowers Often needles thick with cuticle and small in size to limit transpiration. ...
The Ferns - Science 10 With Mr. Francis
The Ferns - Science 10 With Mr. Francis

... • Landscaping, horticulture and the florist industry • Useful in removing heavy metals like arsenic from the soil • Decomposed ferns are a component of coal formation ...
BIO TEKS 10B - EOC Tracking Chart Subject
BIO TEKS 10B - EOC Tracking Chart Subject

... Hormones - chemicals that regulate plant growth Phototropism- response to light Gravitropism- response to gravity Hydrotropism- response to water Thigmotropism- response to touch (vines) ...
Diversity Survey 1
Diversity Survey 1

... repair genes!). Respiration resumes in minutes; photosynthesis resumes within 24 hours! Scientists at the USDA are eager to learn more about these drought resistant genes! ...
Notes - Educast
Notes - Educast

... generation produces spores through meiosis , and a free-living gametophyte generation forms gametes (egg and sperm) by mitosis . Ferns can be used to illustrate the life cycle stages common to all pteridophytes. Diploid (2n) fern sporophytes are familiar to most people and are often found as quiet a ...
Bauhinia blakeana - Lee County Extension
Bauhinia blakeana - Lee County Extension

... raised veins radiating from a small arch just above the petiole. Leaves are alternating in their arrangement on the stem. ...
Plants - West Ada
Plants - West Ada

... LEVELS OF ORGANIZATION – LEAF SYSTEM Cell = Plant cell  Tissue (vascular) = epidermal tissue  Organ = leaf  Organ system = leaf system  Organism = plant ...
and Plants
and Plants

...  do not have a system for transporting  contain structures with vascular tissue water and other nutrients within their (roots, stems and leaves) body  vascular plants (also known as – nonvascular plants are small tracheophytes) are composed of: and lack vascular tissue – tissue (roots, stems, lea ...
Exotic
Exotic

... a. Filament- Structure that supports the anther. b. Anther- at the tip of the filament, produces pollen which contains sperm • When pollen grains mature in the anther, it cracks open allowing the pollen to escape 4. Pistil- female structure of the flower. The bottom part of the pistil enlarges to fo ...
Sampling methods Sampling Daphnia Sampling Hydra
Sampling methods Sampling Daphnia Sampling Hydra

... ƒ Recombinant DNA technology has extensive applications in developing pharmaceuticals. ƒ The first drug created using recombinant DNA was human insulin. ...
THE TINY SEED
THE TINY SEED

... There is another plant that grows much faster than the new little plants. It is a big fat weed. And it takes all the sunlight and rain away from one of the small new plants. And that little plant dies. ...
SC.5.L.14.2
SC.5.L.14.2

... need right away ...
Incomplete - Watermelon.org
Incomplete - Watermelon.org

... pistil – the essential organs. Most flowers also contain sepals and petals. A complete flower contains all four parts. ...
Rhodotypos scandens
Rhodotypos scandens

... Jetbead is native to central China, Korea and Japan; it was introduced into the ornamental nursery trade in 1866. Currently it is found in at least 17 states east of the Mississippi. In Pennsylvania it is known form 13 counties mainly in the southeast and around other metropolitan centers. EFFECTS O ...
Glossary of Botanical Terms
Glossary of Botanical Terms

... A photosynthetic and transpiring organ, usually developed from leaf primordium in the bud; an expanded, usually green, organ borne on the stem of a plant ...
Unit 2 Plant Science PowerPoint
Unit 2 Plant Science PowerPoint

... of nutrients in a fertilizer. The three numbers always stated on the front of the bag indicate the percentage of N, P, and K. The rest of the analysis is listed below as items 2, 3, and 4. 2.This states the total nitrogen and itemizes the percentages from a variety of nitrogen types. It also details ...
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Plant evolutionary developmental biology



Evolutionary developmental biology (evo-devo) refers to the study of developmental programs and patterns from an evolutionary perspective. It seeks to understand the various influences shaping the form and nature of life on the planet. Evo-devo arose as a separate branch of science rather recently. An early sign of this occurred in 1999.Most of the synthesis in evo-devo has been in the field of animal evolution, one reason being the presence of elegant model systems like Drosophila melanogaster, C. elegans, zebrafish and Xenopus laevis. However, in the past couple of decades, a wealth of information on plant morphology, coupled with modern molecular techniques has helped shed light on the conserved and unique developmental patterns in the plant kingdom also.
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