• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Animal classification
Animal classification

... organisation and are diploblastic. They have a central gastro-vascular cavity with a single opening, mouth on hypostome. Digestion is extracellular and intracellular. Some of the cnidarians, e.g., corals have a skeleton composed of calcium carbonate. Cnidarians exhibit two basic body forms called po ...
Invertebrates Ch. 26-28
Invertebrates Ch. 26-28

... tongue with hundreds of tiny teeth 2. siphon: tubelike structure where water enters and leaves the body 3. closed or open circulatory system (blood not always in vessels). ...
Kingdom Animalia pp
Kingdom Animalia pp

... Asexual– budding or gemmules Sexual– are hermaphrodites and internal fertilization occurs, sperm from one sponge swims through the water to fertilize the eggs of another ...
animal form and function
animal form and function

... usually restricted to the area surrounding the heart and to spaces within the gonads and kidneys. Most molluscs are slow-moving, creeping animals, but in some instances the organization of the body regions has been modified so that swift movements are possible. In an evolutionary sense, molluscs are ...
Vertebrates
Vertebrates

... young are hatched Others store their eggs inside their bodies and the young are born live ...
Ch 27: Molluscs and Annelids
Ch 27: Molluscs and Annelids

... or only come out at night Some gastropods are poisonous – brightly colored to warn off predators Some nudibranchs save the nematocysts from the cnidarians they ate, and sting their predators with them ...
Beaver - Mayfield City Schools
Beaver - Mayfield City Schools

... health of the mother beaver influences how many kits are born. If she has had good nutrition and an abundance of food, a larger litter size is possible. The babies are about one pound at birth and are born with a full coat of fur and their eyes open. Kits can swim, but it may take them a month or mo ...
Kingdom Animalia
Kingdom Animalia

... Digestive/ Feeding: herbivores, omnivores, filter-feeders, detritivores, parasites/ radulatongue with teeth Nervous: bivalves: simple nervous system (eyespots) and octopiwell developed brains and intelligent Excretory:nephridia remove ammonia Reproductive: sexually/internal or external fertilizati ...
The hydrostatic skeleton, exoskeleton, and endoskeleton
The hydrostatic skeleton, exoskeleton, and endoskeleton

... In organisms with hydrostatic skeletons, the muscles contract to change the shape of the coelom, which then produces movement due to the pressure of the fluid inside the fluid­filled cavity. Exoskeletons are external skeletal systems that are made up of chitin and calcium carbonate. Organisms with a ...
Phylum Mollusca
Phylum Mollusca

... prehensile tentacles or arms • A circle of 8 or 10 tentacles surround the head; studded with suckers and are used to capture prey. ...
Chapter 7 - Cnidarians
Chapter 7 - Cnidarians

... with hydrozoans and not jellyfish because it is a colony made up of different types of polyps. Like the rest of the cnidarians it has many nematocysts on its tentacles. ...
Jellyfish Dream - Tennessee Aquarium
Jellyfish Dream - Tennessee Aquarium

... Demonstrate knowledge of changes that plants and animals pass through during life cycles ...
Chapter 33 Guided reading
Chapter 33 Guided reading

... As you read, focus on the trends, the increasing complexity of the organisms and the adaptations to their environment. Parazoa – no real tissues o P. Porifera – sponges ...
File - WIN POINT Educations
File - WIN POINT Educations

... injecting poison or holding the prey. 6. Respiratory, circulatory and excretory organs are absent. 7. Nervous system is primitive, has only network of nerve cells. 8. Exhibit the phenomenon of polymorphism (Gr., poly – many; morphe- shape) which is the specialisation of individuals of colonial speci ...
Lecture 5
Lecture 5

... Read the preamble to lab 3. Topics: translocation, coelom: fluid filled cavity in mesoderm. Coelomate animals. The coelomate phyla include Vertebrata , Echinodermata, Annelida --- contrasts with acoelomates (without a coelom) and haemocoel animals (insects have a haemocoel). Functions of fluid-fille ...
- Central Marine Fisheries Research Institute
- Central Marine Fisheries Research Institute

... mantle cavity and then uses its strong mantle muscles to expel water with great force, forcing the cuttlefish in the opposite direction. Water exits through a movable part called the funnel, which controls the angle of the spray. The mantle cavity also aids in respiration by bringing water to the an ...
Yukon Freshwater Fishes - Environment Yukon
Yukon Freshwater Fishes - Environment Yukon

... chin; two dorsal fins; small scales (p.30) Sticklebacks, Gasterosteidae (2 species) Small fish; spines in front of dorsal fin; thin caudal peduncle; no adipose fin (p.31) Sculpins, Cottidae (2 species) Small fish; eyes on top of large head; body tapering to tail; 2 dorsal fins, first with spines; pe ...
Sponges - Cloudfront.net
Sponges - Cloudfront.net

... • Some species produce two types of eggs: one undergoes parthenogenesis and produces females, the other develops into males by parthenogenesis. These males survive just long enough to produce sperm. Fertilization occurs, zygotes form that withstand drought conditions and then develop into a female. ...
Phyla Annelida and Mollusca
Phyla Annelida and Mollusca

... 2. Figure 1 www.biology.fullerton.edu, www.en.wikipedia.org 3. Figure 2 www.tutorvista.com, www.youtube.com 4. Figure 3 www.gwu.edu 5. Figure 4 www.science.kennesaw.edu 6. Figure 5 www.catalyst.uw.edu, www.uic.edu 7. Figure 6 www.museum.zoo.cam.ac.uk 8. Figure 7 www.faculty.college-prep.org, www.en. ...
Angelfish – Family Pomacanthidae Perhaps one of the most popular
Angelfish – Family Pomacanthidae Perhaps one of the most popular

... referred together as the “leatherjackets.” This common name is given due to the texture of their skin. They have very small scales and tough skin. Triggerfish are laterally compressed with deep bodies. They have large eyes set high on their head. They have two dorsal fins and the front fin has three ...
Ch 23: Phylum Chordata
Ch 23: Phylum Chordata

... A. General Characteristics  ­ 2,000 species; occur in all seas & at all depths  ­ free living larva, most adults metamorphose into sessile  ­ only larvae bears all chordate hallmarks; most adults  only retain a few  EXTERNAL:  ­ tunic (tough nonliving test produced by mantle)  surrounds body that co ...
WHAT IS A FISH? - Two Oceans Aquarium
WHAT IS A FISH? - Two Oceans Aquarium

... The main groups of fishes that are described in the following pages are: 1. Bony fishes (Class: Osteichthyes) with a skeleton of bone such as lungfishes, coelacanth, and all ray-finned fishes. Their bodies are usually covered with thin scales. They have a single gill opening. 2. Cartilaginous fishes ...
Cnidarians - College Heights Secondary School
Cnidarians - College Heights Secondary School

... open ocean. The sting of the Man'O'War can vary from extremely painful to incapacitating to fatal, depending on the severity and the victim's reaction. ...
Molluscs
Molluscs

... Torsion in the gastropods • It is not known what the original advantages were to ancestral gastropods in adopting torsion • It may have some advantages and disadvantages – An advantage may be that the gills face fresh incoming water with high oxygen content – The disadvantage is the waste products ...
Hickman Chapter 10 Final PPT
Hickman Chapter 10 Final PPT

... Torsion in the gastropods • It is not known what the original advantages were to ancestral gastropods in adopting torsion • It may have some advantages and disadvantages – An advantage may be that the gills face fresh incoming water with high oxygen content – The disadvantage is the waste products ...
< 1 2 3 4 5 6 7 ... 14 >

Aquatic locomotion

Aquatic locomotion is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish and molluscs.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report