Amphibians
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Amphibians are cold-blooded vertebrates that live both on land and in water. They are divided into three subgroups: frogs and toads, salamanders and newts, and wormlike caecilians. Amphibians have thin, moist skin and most lay eggs in water, where larvae called tadpoles develop before transforming into adult forms with lungs on land. Their lifecycle involves metamorphosis from egg to tadpole to four-legged adult.
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Vertebrates are characterized by having a spinal column, a body divided into head, trunk, and extremities, and well-developed nervous and sense systems. The main groups of vertebrates are fish, amphibians, mammals, birds, and reptiles. Fish have scales, breathe through gills, and use fins to swim. Amphibians have aquatic young with gills and lungs as adults, while reptiles breathe air through lungs and have scales or hard skin. Birds are distinguished by their feathers and wings, while mammals usually have hair or fur and are oviparous or placental.
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This document provides information about different types of animals categorized into mammals, birds, reptiles, amphibians and fish. It describes their key characteristics such as skin/feather coverage, reproduction methods, habitat, locomotion and other distinguishing biological traits. Examples are given for common animals that fall under each category. The document also includes some interactive games and videos related to learning about different animals.
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This presentation was made for my 3rd grade homeschool son. It is divided into invertebrates and vertebrates. It discusses basic characteristics, life cycle, and types of animals.
Fish and amphibians notes
Fish and amphibians are aquatic vertebrates. Fish are divided into jawless fish, cartilaginous fish like sharks, and bony fish. They exchange gases using gills, have fins for movement, and various feeding methods. Amphibians live in water as larvae and on land as adults. They evolved lungs and skin adaptations to transition to land. They are divided into salamanders, frogs and toads, and caecilians. Both fish and amphibians face environmental threats.
Vertebrates
Vertebrates are animals with backbones. There are five main types of vertebrates: mammals, birds, reptiles, fish, and amphibians. Each group has distinct characteristics - mammals have hair and feed their young milk, birds have feathers and lay eggs, reptiles have scales and lay eggs on land, fish breathe through gills and live entirely in water, and amphibians have smooth skin and lay eggs in water. Humans are mammals.
Amphibians
Amphibians are vertebrates that live in water as larvae and on land as adults. They have moist skin without scales or claws. There are three types of amphibians: salamanders, frogs and toads, and caecilians. Amphibians evolved to live partially on land by developing stronger bones, lungs, and breathing tubes. They can breathe through their skin but some live on land for more available food. Amphibians have external fertilization and undergo metamorphosis from embryo to adult. Frogs jump while toads prefer land. Salamanders and newts have different skin textures. Axolotls never develop lungs while caecilians resemble worms and live underground.
Animal kingdom
This document summarizes the animal kingdom by dividing it into two main groups - vertebrates and invertebrates. Vertebrates have backbones while invertebrates do not. It then describes the key characteristics of major vertebrate groups like mammals, birds, reptiles, amphibians and fish, as well as some invertebrate groups like arthropods and molluscs. For each group, it highlights traits such as how they reproduce, breathe, move, and live in different habitats.
Turtles ED 205 IPP
The document is about turtles. It defines what a turtle is, describes their anatomy such as their shell and flippers, and discusses their habitats and different lifestyles. It also lists various turtle types, provides fun facts, and includes resources for further information.
Animals throughout the world
The document discusses different types of animals throughout the world. It covers vertebrate animals like mammals, birds, reptiles, amphibians and fish, as well as invertebrate animals like sponges, cnidarians, worms, molluscs, echinoderms and arthropods. For each group, it describes key characteristics like their nutrition, reproduction, physical features and habitats. The purpose is to educate about different animal classifications so students can choose one to research and describe its features.
Amphibians
Amphibians are tetrapods that either live on both land and water or have different life stages in each habitat. There are three modern orders of amphibians:
1. Caudata (salamanders and newts): Found in cool, moist habitats in the Northern Hemisphere. They have moist skin and internal fertilization. Larvae develop in water.
2. Gymnophiona (caecilians): Worm-like amphibians found in tropical regions. They burrow underground and have either aquatic or terrestrial larvae.
3. Anura (frogs and toads): Found worldwide in moist habitats. They undergo metamorphosis from aquatic tadpoles to terrestrial
Animals
This document provides an overview of the classification of living things into five kingdoms, with a focus on the animal kingdom. It describes the main characteristics of invertebrate and vertebrate animals, and then discusses the distinguishing features of specific phyla within the animal kingdom, including sponges, cnidarians, annelids, molluscs, arthropods, fish, amphibians, reptiles, birds, and mammals.
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Amphibians
- 1. AMPHIBIANS • An Amphibian is a vertebrate (an animal with a backbone) • Amphibian comes from a Greek word meaning “Double life” • Most amphibians live part of their lives underwater and part on land. • They are cold blooded animals which means that their body temperature changes with their surroundings
- 2. TYPES • Amphibians are made up of 3 sub groups -Frogs & Toads, -Salamanders & Newts and -Caecilians (wormlike animals) • There are over 8100 species of amphibians worldwide FROG SALAMANDER CAECILIANS
- 3. TRAITS • Amphibians have thin and wet skin with several glands. Several amphibians use their skin to breathe • Some of them have fish like scales • They possess a double-channeled hearing system that allows them hearing out of water as well • They have teeth located only on the upper jaw, used to only hold the prey. They simply swallow and not chew their food
- 4. DIET • With a few exceptions, adult amphibians are predators, feeding on virtually anything that moves that they can swallow. • The diet mostly consists of small prey that do not move too fast such as beetles, caterpillars, earthworms and spiders.
- 5. REPRODUCTION • Amphibians reproduce by laying eggs that do not have a hard shell • Most females lay eggs in the water and the babies, called larvae or tadpoles continue living there • As the tadpoles grow, they develop legs and lungs that allow them to live on land
- 6. LIFECYCLE • Amphibians start their lives as eggs in water • The frog amphibian develops into tadpoles that breathes through gills, like fish • They first grow their back legs and gradually the front ones. During this time, their tail starts to shorten and finally disappears • As adults they live on land who breathe air using their lungs and skin • These changes an animal makes during its life cycle is also called Metamorphosis 2 legs 4 legs Tail disappears Looks like a fish
- 7. THANK YOU