Pollen Guides d'étude, Notes de cours & Résumés

A dog is following the scent of a jackrabbit. Which of the following accurately describes how the dog's brain integrates information for smell? A) Chemoreceptors in the brain send impulses for smell in the nasal cavity. B) Chemoreceptor cells in the nasal cavity sends impulses to the appropriate area of the brain. C) Chemoreceptors on epithelial cells of the tongue send hormones to the appropriate area of the brain. D) Receptors originating in the nose send action potentials to the motor re...

Test Bank for Genetics A Conceptual Approach, 7th Edition Benjamin Pierce Test Bank for Chapter 2: Chromosomes and Cellular Reproduction Multiple-Choice Questions 1. Which of the following statements is false? a. Errors in chromosome separation are rarely a problem for an organism. b. Errors in chromosome separation can result in a miscarriage. c. Errors in chromosome separation can result in cancer. d. Errors in chromosome separation can result in a child with severe handicaps. e. Erro...

Upper respiratory tract -sinus, nasal cavity, pharynx, epiglottis and larynx -normal microbiota reside here Lower respiratory tract -trachea, lungs (bronchi and alveoli), parenchyma and diaphragm Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Respiratory tract defense mechanisms -URT: has normal biota that inhibit other organisms -ciliated epithelial cells: work to push MOs or pollen up out of the thro...

Question Number Answer Additional Guidance Mark 1(a) The only correct answer is B A is incorrect because Down’s syndrome is an example of polysomy not monosomy C is incorrect because Down’s syndrome is caused by a chromosome mutation not a gene mutation D is incorrect because Down’s syndrome is caused by a chromosome mutation not a gene mutation (1) Question Number Answer Additional Guidance Mark 1(b) An answer that makes reference to the following: • birth order has no e...

College aantekeningen Anthropology of Violence

Seed Evolution Steps - ANSWER Homospory Heterospory Megasporangium Surrounded by Sterile Telomes Free Tips Phylum Cycadophyta - ANSWER Earliest Gymnosperms Mesozoic Era (65-230 MYA) 11-12 Genera Mostly tropical and subtropical Resemble palms - unlike palms they have a vascular cambium (stem can increase in width) Often highly toxic to dogs, cats, and livestock Reproductive structures associated with modified leaves - microsporophylls and megasporophylls Loosely or tightly clustered ...

Palynology and Benefits from this correct answer: Palynology: the study of pollen. Benefits: determines when agriculture originated in certain areas and who consumed it, helps solves criminal cases, meaning to native americans Pollination and Types of animals involved correct answer: Pollination: the transfer of pollen from anther to stigma Types of animals: Bees, wasps, flies, ants, butterflies, moths, birds, bats Plant strategies that attract pollinators. Animals necessary? correct a...

medical emergency: - sudden transient loss of conciousness - stress - correct answer syncope medical emergency: sudden drop in systolic blood pressure caused by change in body position - correct answer orthostatic hypotension medical emergency: reversible, chronic inflammatory disease of airway - correct answer asthma medical emergency: irreversible destruction of alveoli (smoking) - correct answer emphysema medical emergency: rapid breathing, usually stress - correct ...

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 is partly due to loss of habitat Which of the following plant parts ...

4 major plant parts include - roots stems leaves reproductive parts 4 functions of the root system include - absorption anchorage conduction storage 2 kind of root systems found in plants are - fibrous root systems and taproot systems Fibrous root system - root system that consists of numerous multi-branched roots that are slender; no one root is more prominent than the other. Tap root system (more difficult to transplant) - root system that consists of one main root that gro...