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Phylum Aves

Phylum Aves

Phylum Aves Birds Evolution of birds Adapted for flight – very successful adaptation Evolved from two-legged dinosaurs called theropods. Often called feathered dinosaurs Characteristics Like reptiles, scales and claws on feet Feathers Wings Endotherms Feet Scales Claws on toes

By Mia_John
(1694 views)

Reproduction

Reproduction

Reproduction. Asexual Reproduction Offspring’s genes all come from the same parent without the fusion of egg and sperm Sexual Reproduction fusion of two haploid gametes (sperm and egg) to form a diploid zygote. Asexual Reproduction in Plants. no alternation of generations

By liam
(371 views)

Vertebrates: Part II

Vertebrates: Part II

Vertebrates: Part II. Reptiles & Birds. Reptiles. Dry body covering Scales made of keratin Heart has 3 chambers Well-developed lungs Toes have claws. Reptile Reproduction. Amniote Egg developed Internal fertilization. Homeostasis. Modern reptiles = ectotherms

By oriole
(128 views)

Unit 9 Chordates

Unit 9 Chordates

Unit 9 Chordates. Ch. 33 Comparing Chordates. The Chordate Family Tree. The chordate family tree has its roots in ancestors that vertebrates share with tunicates & lancelets. The Chordate Family Tree. Evolutionary Trends in Vertebrates.

By micheal
(129 views)

AP Review

AP Review

AP Review. Chapters 32-34 . Fast Facts. General characteristics of animals: - multicellular, heterotrophic eukaryotes - take in food by ingestion - lack cell walls; have cell junctions made of structural proteins that hold cells and tissues together. Fast Facts.

By emilia
(183 views)

B5: Reproduction

B5: Reproduction

B5: Reproduction. Miss Friedman IGCSE Science. Internal Fertilization. Where fusion of male and female gamete takes place inside the body Male gamete (sperm) are mobile and move to meet the stationary female gamete (egg)

By noelani
(252 views)

Sexual Reproduction

Sexual Reproduction

Sexual Reproduction. Living Environment. Involves 2 two sexes, Male and Female. Gametes = sex cells – produced in gonads. Female = ovaries (gonads) produce egg cells (gametes). Male = Testes (gonads) produce sperm cells (gametes).

By ankti
(195 views)

Form and Function in Chordates

Form and Function in Chordates

Form and Function in Chordates . 33-3. Tunicate--filter feeding . Lancelet—filter feeding . Feeding. Shark. Salamander. Lizard. Pigeon. Cow. Esophagus Stomach Intestine Liver Gallbladder Pancreas Cloaca Crop Gizzard Cecum Rectum. Respiration . Respiration .

By erling
(246 views)

Chapter 39 Fish

Chapter 39 Fish

Chapter 39 Fish. Section 2 Jawless and Cartilaginous Fish. Fish Adaptations. Stream-lined body & muscular tail Paired-fins allow fish to manuver Secrete mucus around body to help move in water and protect against infections Store lipids (fat) to help aid in buoyancy

By marisol
(228 views)

Standard 11-A

Standard 11-A

Standard 11-A. Classify animals according to type of skeletal structure and method of fertilization and reproduction body symmetry, body coverings, and location. PowerPoint by: Quenton Mercedes. The eligible content . Compare invertebrates to vertebrates.

By kyrene
(0 views)

Chapter 11 Marine Reptiles and Birds

Chapter 11 Marine Reptiles and Birds

Chapter 11 Marine Reptiles and Birds. Marine Reptiles. Ancestors of modern reptiles appeared about 100 million years ago. Reptiles adapted for success on land, then used the same characteristics to return to the sea and gain success there as well Modern-day reptiles include: crocodilians

By anchoret
(356 views)

Mollusks

Mollusks

Mollusks. TSW identify and describe the basic characteristics of mollusks. What is a mollusk?. Soft-bodied animal with an internal or an external shell Very diverse phylum, but all share similar developmental stages

By katima
(143 views)

Reproductive Biology of Elasmobranchs

Reproductive Biology of Elasmobranchs

Reproductive Biology of Elasmobranchs. Presented by: Cori Jobe & Tricia Meredith. Introduction. Reproduction has proceeded along only a few paths Great diversity among congeners - Brood sz., ovarian cycle, gestation period, mating system, nursery

By ann
(564 views)

INTRODUCTION TO ANIMALS

INTRODUCTION TO ANIMALS

INTRODUCTION TO ANIMALS. Chapters 26-33. Animal Basics. 4 Defining Characteristics Morphology (animal bodies) Invertebrates versus vertebrates. 4 DEFINING CHARACTERISTICS: 1. eukaryotic, multi-cellular (no cell walls) 2. heterotrophic 3. sexual reproduction and development 4. movement.

By stacey
(118 views)

Reptiles

Reptiles

Reptiles. Characteristics of a Reptile. Vertebrate animals Lungs Scaly skin Amniotic egg. Characteristics of Reptiles – Adaptations to life on land. More efficient lungs and a better circulatory system were developed for life away from water

By halia
(180 views)

Zoology Notes Amphibians

Zoology Notes Amphibians

Zoology Notes Amphibians. Our focus…Amphibians. Quick Question #1. What are some major evolutionary changes between fish and amphibians?. Amphibian basics…. Definition: moist, glandular skin that lacks scales of reptiles. Complex life cycles. Lay eggs that are non-amniotic.

By kiaria
(345 views)

Animal Evolution – The Chordates

Animal Evolution – The Chordates

Animal Evolution – The Chordates. Chapter 26 Part 1. Impacts, Issues Transitions Written in Stone. Fossils such as Archaeopteryx , an ancient winged dinosaur with feathers, are evolutionary evidence of transitions between species. 26.1 The Chordate Heritage. Chordates

By dwight
(178 views)

AS Warm-Up

AS Warm-Up

AS Warm-Up. Begin work on “What’s in a Name?” (on demo table). Fish Basics. Kingdom Phylum 3 classes. Agnathans. Lampreys, hagfish Long, cylindrical bodies Round mouth, ring of hooks or teeth. Chondrichthyes. Sharks and rays Skeleton is cartilage Mouth on underside of body

By lacy
(106 views)

Embryology Winter 2011

Embryology Winter 2011

Embryology Winter 2011. Sexual Vs. Asexual Reproduction. The creation of new individuals from existing ones is called reproduction Two types of reproduction: Asexual (reproduction without sex) Sexual. Asexual Reproduction. Three types of asexual reproduction 1) Budding 2) Fission

By gagan
(128 views)

Animal Reproduction

Animal Reproduction

Animal Reproduction. Asexual reproduction - fission. Paramecium. Planaria. Sea anemone . Asexual reproduction - budding. Porifera. Hydra. Planaria. Asexual reproduction - parthenogenesis. rotifers. Honey bee. daphnia. aphids. Meiosis. External fertilization. coral.

By elle
(275 views)

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