Ovules - Guides d'étude, Notes de cours & Résumés

PBIO Exam 2 Question and answers already passed 2024 PBIO Exam 2 The transfer of pollen from the anther to the stigma is called? - correct answer Pollination The study of pollen is called? - correct answer Palynology The source of nutritive tissue for a growing plant (corn, wheat) and for much of the development of human civilizations is the - correct answer Endosperm Which of the following statements about pollinators is true? - correct answer A decline in pollinator populations i...

BIO 152 Exam 3 Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+ What is the role of the central vacuole in plant cells? The central vacuole stores water, nutrients, and waste products, and helps maintain turgor pressure in the plant cell. What is the importance of crossing over during meiosis? Crossing over increases genetic variation by exchanging genetic material between homologous chromosomes What is the purpose of the citric acid cycle in cellular re...

Flowers - specialized structure for sexual reproduction, pollination by animals (insects, mammals, birds) and wind Seed - consists of an embryo and nutrients surrounded by a protective coat. Gametophytes of seed plants - develop within the walls of spores that are retained within tissues of the parent sporophyte The ancestors of seed plants were most likely_____, while seed plants are ________. - homosporous; heterosporous Ovule - consists of a megasporangium, megaspore, and one or more p...

FNRM 1101 Exam 1 Questions With Correct Answers Why Dendrology? - answertrees influence micro-climate Trees drive plant dynamics Influence wildlife presence and abundance Provide urban and rural value Knowledge of tree identification required for resource managers and scientists Pinophyta-Gymnosperms - answer•No true flower parts -strobili and cones• Ovules and seeds naked •Oldest plants with secondary structure Magnoliophyta-Angiosperms - answer•True flower parts - stamens, pi...

Agritechnology study guide with 100% correct answers Flower male parts stamen, filament, anther anther manufactures pollen Flower female parts Pistil (stigma, style, ovary) stigma recieves pollen Ovary contains ovules which are eggs oppurtunity cost what you give up to get something else as production of a product increases the cost to produce this product increases as well in 2006, we spent 5.7% of income on food 90% of our perishable food is shi...

Difference between Plant and Animal Life cycle? Ans: Plant(more complex): Start off with a diploid (2 chromosome sets) after the young individual organism undergo meiosis and then we produce haploid (1n) spores then they undergo mitosis that produces a gametophyte (something that is multicellular). Male side we have pollen and female side we have an egg in haploid structure. 2n forms in zygote. Animals: 2n to n and there is meiosis that directly results in fromation of gemtes. What par...

BIOL 198 Module 6 Objectives Examine the symbiotic interaction of algae and fungi - answerLichen is a relationship between fungi & autotrophs Algae make food & fungi gives it a home Role of lichens - answerThey break down soil for the next organism Characteristics of algae - answerEukaryote Has cell wall, single & multi cellular, nucleus, mitochondria, autotrophic, aquatic Role of algae - answerPrimary producer, makes CO2, carbs Food source for fish Understand the evidence supporting th...

what are theca? - The typical anther is bilocular, i.e. it consists of two thecae. Each theca contains two microsporangia What are microsporangia? - Are the pollen sacs. Microsporangia produce the microspores, which for seed plants are known as pollen grains How many theca and sporangia are part of each anther? - Theca: 2 Microsporangia: 4 What separates the two theca? - A longitudinal groove What are the pollen sacs lined with? - tapetum cells What are tapetum cells? - Nutrition...

BIOL 198 Module 6 Objectives Examine the symbiotic interaction of algae and fungi - answerLichen is a relationship between fungi & autotrophs Algae make food & fungi gives it a home Role of lichens - answerThey break down soil for the next organism Characteristics of algae - answerEukaryote Has cell wall, single & multi cellular, nucleus, mitochondria, autotrophic, aquatic Role of algae - answerPrimary producer, makes CO2, carbs Food source for fish Understand the evidence supporting th...

PBIO Exam 2 Question and answers 2023/2024 verified to passThe transfer of pollen from the anther to the stigma is called? - correct answer Pollination The study of pollen is called? - correct answer Palynology The source of nutritive tissue for a growing plant (corn, wheat) and for much of the development of human civilizations is the - correct answer Endosperm Which of the following statements about pollinators is true? - correct answer A decline in pollinator populations is partly d...