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MAMMALIAN SPERM acrosome nucleus middle-piece (mitochondria) principal piece flagellum head end piece
MAMMALIAN SPERM acrosome nucleus mitochondrias principal piece end piece middle-piece dense fibers fibrous sheath axoneme
SPERM MORPHOLOGY IN ANTS and 3 = Human sperm; 2 and 4 = sperm of Acromyrmex subterraneus subterraneus
n a n 2341 SPERM HUMUN AND INSECT: HEAD REGION 1 = human sperm; 2-4 = ant sperm. a = acrosome, n = cucleus, v = acrosomal vesicle; p = perfuratorium
ax dm ax
ax 1 2
n ca ax ca n ax md ca NUCLEUS–FLAGELLUM TRANSITION REGION = sperm draft; 2-7 ant spermatozoa
DIVERSITY OF INSECT SPERM Spermatozoa of: Hemiptera (1,2); Neuroptera (3); Lepidoptera (4); Coleoptera (5,6)
DIVERSITY OF HYMENOPTERAN SPERM
ca n ax md ca = sperm draft; 2-7 ant spermatozoa
DIVERSITY OF ANT SPERM
Cambridge University Press 1987
My School is Like a Cell Hollyann Proffitt Dr. Dallas, the principal, would be the nucleus because she is head of the school. nucleus.
Common insect orders. Insects are the most species- rich group of organisms on earth as indicated in this species-scape. The size of the organism reflects.
Chapter 27 The Male Reproductive System Sexual reproduction Sex determination & development Male reproductive anatomy Puberty and climacteric Spermatogenesis,
End Show Slide 1 of 41 Copyright Pearson Prentice Hall 39-3 The Reproductive System.
How much do you know about bugs? Challenge #1 T. Trimpe 2008
Common Insect Orders. A Review of Taxonomy All organisms are broken into a series of groups, called taxa. –The smallest taxon is the species and the largest.
Meiosis is the first step in gametogenesis: separation of homologous chromosomes into haploid daughter cells Spermatogonia and oogonia are the germ cells.
Presented by: Ms. Maria Hamdan. What are these small creatures that we have in this picture? These are insects.
Guide to Pinning Insects. How to set up your insect box: Organize your insects in an insect collection box according to the order in which they belong.
Nucleus The laser is the nucleus because it reads the CD and tells everything else what to do, like the nucleus tells the cell what to do.
August 2008 Where to look - Pests! Insects Nematodes Weeds Diseases Rodents and other small mammals Original Presentation by Virginia Tech Modified by.
Common Insect Orders Adapted from Berkeley Natural History Museums lesson A Quick Way to Identify Common Insect Orders.
Cell application pack For the CELL Organisation. Job Opportunities Wanted - cells that are specialised for different jobs within our organism a.k.a. the.
I.Sexual Reproduction --two parents combine. 1. The sex cell from the male parent is sperm. a. Sperm head is almost all nucleus (genetic info) 2. The.
Review of Punnett Squares Take out a blank piece of paper Set up a Punnett Square to cross a homozygous recessive parent with a heterozygous dominant parent.
Differences between Prokaryotic & Eukaryotic cells Bacterial cells also contain flagellum, plasmid and capsule. FeatureProkaryoteEukaryote Size Small.
Ch 27: Reproductive System General organization Anatomy of male reproductive system Anatomy of female reproductive system.
Biology Journal Ch 3. Name three types of microscopes. Compound light microscope Electron microscope Scanning tunneling microscope.
Controlling Insects!. Insecticides Identify common insect pests and select an effective control method for each. Describe the six ways in which insects.
Challenge #1 Can you identify the orders into which insects are classified? T. Trimpe 2008
1 FERTILIZATION PROCESS IN MAMMALS Student: Mohammad Jalel Qasm Supervision: M. Araz Jaffar UNIVERSITY OF DUHOK COLLEGE OF AGRICULTURE DEP. ANIMAL PRODUCTION.
DNA Protein Synthesis Replication. DNA carries a code for proteins.
Challenge #2 Can you identify the orders into which insects are classified? T. Trimpe 2008
Re-evaluation of sperm morphology assessment and results in light of new WHO (2010) manual reference limits Roelof Menkveld, PhD Andrology Laboratory,
Entomology 462 Orders of Insects David J. Shetlar, Ph.D. The BugDoc The Ohio State University, OARDC & OSU Extension Columbus, OH Revised: September, 2007.
SEMEN TEST BULL BREEDING SOUNDNESS EXAMINATION B.B.S.E.
How LMS is Like a CELL Presentation By: Period:. CELL MEMBRANE The CELL MEMBRANE function in a cell is ___________________ ___________________ ___________________.
World of Insects Characteristics, Orders, and Collecting.
When the temperature of a metal ring increases, does the hole become larger? Smaller? Or remain the same size? 1. Larger2. Smaller 3. Remain the same size.
Stem cells Are unspecialized, jobless cells In the lab, under the right conditions, scientists can manipulate stem cells to be come any cell type. Stem.
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