'Complex life cycles' presentation slideshows

BIOLOGY HOLIDAY HOMEWORK

BIOLOGY HOLIDAY HOMEWORK. NAME- VAISHALI GUPTA CLASS - 11-A ROLL NO.- 26. TOPIC:-. ASCHELMINTHES. (ROUNDWORMS). ROUNDWORM. KEY DEFINITION.

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Worms

Worms. Chapter 27. Flatworm characteristics. Soft, flattened bodies Simplest animals with three embryonic germ layers Bilateral symmetry Cephalization: head formation Acoelomate: fluid filled body cavity made of mesoderm tissue. Flatworm feeding styles.

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Table of Contents

Table of Contents. Chapter Preview 10.1 The Plant Kingdom 10.2 Plants Without Seeds 10.3 The Characteristics of Seed Plants 10.4 Roots, Stems, and Leaves 10.5 Reproduction in Seed Plants. 10.1 The Plant Kingdom 10.2 Plants Without Seeds 10.3 The Characteristics of Seed Plants

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Phycology: The Study of Algae

Phycology: The Study of Algae. Some restricted to marine environment (reds and browns), some to freshwater Characterized by morphology, biochemistry, pigments, reproductive methods, food reserves. Photosynthetic Pigments. Chlorophylls

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Phyla Onychophora and Arthropoda

Phyla Onychophora and Arthropoda. Arthropoda. Click on picture to go to phylum. Onychophora. Phylum Onychophora. Phylum Arthropoda. Jointed exoskeleton of chitin Trachea Malpighian tubules Specialization of segments. Systems. Arthropod Systems. Systems continue.

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Chapter 25-27

Chapter 25-27 . By: Stacy Mckinney Andrew Strawther Mikayla Brown Jared Rudd . Chapter 25 Animals. Animals are eukaryotic, multicellular, heterotrophic organisms. The first animals evolved in water. Digestion for animals takes place in a internal cavity.

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Kingdom Protista

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COMPARE/CONTRAST AMHIBIAN AND REPTILE REPRODUCTION

COMPARE/CONTRAST AMHIBIAN AND REPTILE REPRODUCTION. COMPARE/CONTRAST AMHIBIAN AND REPTILE REPRODUCTION. Amphibian Reproduction Complex Life Cycles Aquatic Larvae Gelatin Eggs. Reptile Reproduction Simpler Life Cycles Amniotic Eggs Released From Aquatic Environments.

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Kingdom Protista

Kingdom Protista. Chapter 19. What is a protist?. Protists may be: unicellular or multicellular . microscopic to very large. heterotrophic or autotrophic . beneficial, parasitic, or innocuous. Are all eukaryotes . There are 3 major categories of protists: animal-like protists

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Diseases of the gastrointestinal tract Components of digestive tract (and sites of infection) Normal flora and other pro

Diseases of the gastrointestinal tract Components of digestive tract (and sites of infection) Normal flora and other protective mechanisms Pathogenesis many candidates: notice all of the tables in this chapter!. Structure of the digestive system. Ingestion (mouth)

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Diseases of the gastrointestinal tract Components of digestive tract (and sites of infection) Normal flora and other pro

Diseases of the gastrointestinal tract Components of digestive tract (and sites of infection) Normal flora and other protective mechanisms Pathogenesis many candidates: notice all of the tables in this chapter!. Structure of the digestive system. Ingestion (mouth)

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Protists

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Painted Lady Larva Observations

Painted Lady Larva Observations. Insects have unique structures, behaviors and basic needs such as food, water, air and waste removal. Insects are all related to each other, yet exhibit variations and complex life cycles. Big Idea:. Guiding Questions. What do insects need to survive?

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Quantitative Genetics of Natural Variation: some questions

Quantitative Genetics of Natural Variation: some questions. Do most adaptations involve the fixation of major genes?. micromutationist view : adaptations arise by allelic substitution of slight effect at many (innumerable) loci, and no single substitution constitutes a major

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Mealworm Observations

Mealworm Observations. Insects have unique structures, behaviors and basic needs such as food, water, air and waste removal. Insects are all related to each other, yet exhibit variations and complex life cycles. Big Idea:. Guiding Questions. What do insects need to survive?

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Protists

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Chapter 27.1 Flatworms, the Simplest U nsegmented Worms

Chapter 27.1 Flatworms, the Simplest U nsegmented Worms. Hannah Reagan 3 rd period. Introduction . Phylum Platelminhes

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Flatworm Characteristics

Flatworm Characteristics --Flat bodies (gases move by diffusion) --bilateral symmetry --gastrovascular cavity --some flatworms are parasitic, some are freeliving --they have anterior and posterior heads and exhibit cephalization. Types of Flatworms (planarian, tapeworm, fluke)

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Rhodophyta: Red Algae

Rhodophyta: Red Algae. Eukaryotic Pigments: chlorophyll a & b, phycoerythrin Food storage: iodine negative starch Cellulose cell walls No flagellated cells Many marine species often used as thickeners due to their highly mucilaginous nature: agar, carageenans. Predominantly marine group

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