Essays Tagged: "Pollen"

Paleontologists: This is a report on the career and on carnivores and herbivores.

s, skin, hair, fish scales, eggshells, tracks, insects, leaves, dinosaur nests, and evenmicroscopic pollen. They also don't just find and collect different specimens, they alsostudy the fossils, the r ...

(3 pages) 51 0 4.8 Mar/2003

Subjects: Science Essays > Biology

Insects

bdomen.We already know that this planet. As they fly from flower to flower collecting nectar, dusty pollen clings to their legs and bodies. This pollinates the flowers so that they will produce seeds. ... bdomen.We already know that this planet. As they fly from flower to flower collecting nectar, dusty pollen clings to their legs and bodies. This pollinates the flowers so that they will produce seeds. ...

(1 pages) 40 0 3.0 Apr/2003

Subjects: Science Essays > Biology

Bats and their camoflauge, as well as common bat myths.

ruit eating bats can find their food by the smell of the ripening fruit. Nectar seeking bats gather pollen on their snout, and by going from flower to flower help create new plants.EYES: Bats are not ...

(3 pages) 30 0 3.0 Jun/2003

Subjects: Science Essays > Environmental Science

Evolutionary Adaptations to Flowering Plants

. This structure is called the anther, and produces haploid spores. The haploid spores develop into pollen grains. The haploid nuclei within the spores will become the sperm nuclei, which fertilize th ... the stigma, style, and the ovary. The stigma is the sticky top part of the flower which catches the pollen. The tubelike structure connecting the stigma o the ovary at the base of the pistil is known ...

(6 pages) 43 0 5.0 May/2004

Subjects: Science Essays > Biology > Plant Biology

A defense for abortion using standard abortion defenses against one another. good material for abortion in general. 1455 words.

rgument is either weak or strong. The people seeds are as the writer understands, similar to pollen and in the event of a window being left open could float in and germinate in your carpet or u ... t in favor of the morality of the issue. If in fact people seeds were floating through the air like pollen and could somehow lay root in your carpet, I would see absolutely nothing wrong with expellin ...

(6 pages) 36 0 4.0 Oct/2004

Subjects: Humanities Essays > Philosophy

Lecture Notes -- History of Plants Bio104/download word document for ease of reading.

very smallAngiosperm Gametophyte Embryo sac - 8 cells tiny within ovule of the flower Pollen grain- 2 cells within anther of the flowerReasons: can be wrapped in more protective tissue5. ... male -micro In seed plants Gametophyte can be protected inside of the spore- pollen grain Zygote Inside of the archegonium Gametophyte comes from spores Spo ...

(2 pages) 26 0 3.0 Dec/2004

Subjects: Science Essays > Biology > Plant Biology

Adaptations plants had to make to be able to survive on land

ctar to attract insects and birds, which help in pollination. Males developed microspores, which is pollen, and a reduced gametophytes. The pollen grain became very light weighted and easily blown abo ... main latent for extended periods of time. Lastly, the evolution of internal fertilization using the pollen tube and endosperm helped plants overcome the lack of aquatic environment for reproduction.Pl ...

(3 pages) 29 0 3.0 May/2005

Subjects: Science Essays > Biology > Plant Biology

Sports and Drug Use

rally in tiny amounts to make the male hormone testosterone. It is found in humans, animals and the pollen of many plants. Andro is produced in the gonads and adrenal glands of all mammals. It is said ...

(4 pages) 48 0 3.0 Mar/2006

Subjects: Humanities Essays > Health & Medicine > Sports

Plants

e plants have male (the stamen), or female (the carpel) parts. Wind and water sometimes scatter the pollen, but insects do most of the work. Other plants pollinate themselves. A new plant is born from ...

(2 pages) 19 0 0.0 Jul/2006

Subjects: Science Essays > Biology > Plant Biology

Speech about Air Pollution

world at this moment.There are two main air pollutants; one is natural causes e.g. windblown dust, pollen, fog etc. and the other is that which we call people pollution. This is the most serious form ...

(2 pages) 54000 0 4.3 Oct/2006

Subjects: Literature Research Papers > Creative Writing > Persuasive Writing

Pollinaton

e. In the plant world this is most commonly known as pollination. Plants pollinate many ways; their pollen (yellowish powder on the inside of the flower) can be spread by insects (bees in particular), ... on is a process involving the blooms of a plant. These blooms or flowers act as the plants' primary pollen source; without a flower the pollination process would not take place.Another critical part i ...

(1 pages) 12 0 0.0 Mar/2001

Subjects: Science Essays > Biology

Seeds

mination, you have to know just where the seed comes from and just how the process works. First the pollen from the anthers grip onto the stigma of the flower. The pollen tube grows down through the p ... the anthers grip onto the stigma of the flower. The pollen tube grows down through the pistil, this pollen tube is the passage way for the small pollen grains. The pollen tube allows the pollen grains ...

(3 pages) 7 0 3.0 Oct/2001

Subjects: Science Essays > Biology

Characteristics of Angiosperms

ound the main reproductive organs of the flower. Petals are used to attract pollinators and rub off pollen and help disperse them to other flowers. Attracting pollinators greatly increases the probabi ... lity of pollination in angiosperms. Stigma is made of a long tube that has a sticky surface to trap pollen, usually from other plants. The sticky surface and pollen recognition allows the flower to ef ...

(2 pages) 11 0 0.0 Apr/2008

Subjects: Science Essays > Biology

Mitigation Plan

cases wildfires that emit gases and particles to the atmosphere, and even trees and vegetation emit pollen to our atmosphere. (EPA, 2007)Mitigation Plan 3Human activities are the major contribution to ...

(9 pages) 109 0 0.0 Dec/2008

Subjects: Science Essays > Environmental Science

Apple Trees

e apple flowers by nectar and the scent of the petals. As the bee collects nectar, it also picks up pollen. When the bee lands on a flower on another tree, it brushes against the pistil of the flower, ... hen the bee lands on a flower on another tree, it brushes against the pistil of the flower, leaving pollen grains on the sticky stigma. The pollen grains send tubes down through the styles to reach th ...

(3 pages) 14 0 5.0 Aug/2009

Subjects: Science Essays > Biology > Plant Biology