Natural sciences u2
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The document classifies all living things into five main groups: animals, plants, monera, fungi and protista. It then describes some key characteristics of different types of animals, including mammals, reptiles, fish, birds and amphibians. It discusses their respiratory systems, extremities and reproductive traits. The document also characterizes plants and outlines the differences between seed plants and non-seed plants. Finally, it provides brief descriptions of fungi, monera and protista.
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Ns5 m1-poster
This document provides a classification of animals into invertebrates and vertebrates. It lists specific phyla under each category, with invertebrates including porifera, coelenterates, annelids, molluscs, echinoderms, and arthropods. Vertebrates include fish, amphibians, reptiles, birds, and mammals.
Natural Science Unit 2 presentation
1. Living things are classified into five kingdoms: Animal, Plant, Monera, Fungi, and Protista.
2. Within the Animal kingdom, vertebrates include mammals, birds, reptiles, amphibians and fish which have backbones, while invertebrates like worms and snails lack backbones.
3. Characteristics used to classify organisms include their body coverings, reproductive strategies, respiratory organs, and presence or absence of features like legs, wings, scales and hair.
5º ep power point unit 2. living things
1. Living things are classified into five kingdoms: Animal, Plant, Monera, Fungi, and Protista.
2. Within the Animal kingdom, vertebrates include mammals, birds, reptiles, amphibians and fish which have backbones, while invertebrates like worms and snails lack backbones.
3. Characteristics used to classify different types of animals include their body coverings, limbs, reproductive methods and respiratory organs.
VERTEBRATES AND INVERTEBRATES
This lesson plan covers vertebrates and invertebrates over 10 sessions for 3rd course primary education students. It includes reading activities about the life cycles of frogs and fish. It also details lessons about the 5 groups of vertebrates - fish, amphibians, reptiles, birds, and mammals - exploring their characteristics like breathing, skeletons, scales/feathers, and reproduction. Lessons on invertebrates discuss their soft bodies, shells, breathing, and oviparous reproduction through larva and changes in shape as they grow. Comprehension questions reinforce key points about classifying and comparing vertebrates and invertebrates.
Unit 2 - The classification of living things
1) Living things are classified into kingdoms, including Animal, Plant, Monera, Fungi and Protista.
2) Within the Animal kingdom, vertebrates like mammals, fish, birds, reptiles and amphibians have backbones, while invertebrates like worms and snails do not.
3) Each type of animal has distinguishing characteristics - mammals have hair and breathe with lungs, reptiles have scales and breathe with lungs, fish breathe with gills and have fins/scales, birds fly and lay eggs, amphibians have thin skin and go through metamorphosis.
Unit 2. the classification of living things
1. The document classifies living things into five kingdoms: Monera, Protista, Fungi, Plants, and Animals.
2. Within each kingdom, organisms are described and compared based on their shape, nutrition, reproduction, and movement.
3. The Animals kingdom is further divided into invertebrates like molluscs, cnidarians, poriferans, echinoderms, arthropods, and annelids. Vertebrates include mammals, reptiles, fish, birds, and amphibians which are also characterized by their physical traits and life processes.
Invertebrates 2
The document discusses different types of invertebrate animals found on land and in oceans. It describes insects as having a three-part body and six legs. Spiders are described as having eight legs and two main body parts. Jellyfish and anemones are introduced as cnidarians that can sting. Mollusks are described as having soft bodies and sometimes one or two shells. Cephalopods like octopuses and squid have no shells and use other defenses. Crustaceans are described as having a hard outer covering and molting. Echinoderms move via tube feet, with sea stars having five or more arms and sea urchins being covered in spines.
Animals and Plants
There are two types of animals: invertebrates, which do not have a backbone, and vertebrates, which do have a backbone. Vertebrates can be classified into five main groups - mammals, birds, fish, reptiles, and amphibians - while invertebrates include molluscs, arthropods such as insects and arachnids, jellyfish, sponges, and starfish. Plants are also living things that make their own food, reproduce, and have stems, leaves, and roots, with trees having trunks and branches and being either evergreen or deciduous, bushes having hard stems and branches close to the ground, and grasses having soft, thin, and
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Ns5 m1-poster
This document provides a classification of animals into invertebrates and vertebrates. It lists specific phyla under each category, with invertebrates including porifera, coelenterates, annelids, molluscs, echinoderms, and arthropods. Vertebrates include fish, amphibians, reptiles, birds, and mammals.
Natural Science Unit 2 presentation
1. Living things are classified into five kingdoms: Animal, Plant, Monera, Fungi, and Protista.
2. Within the Animal kingdom, vertebrates include mammals, birds, reptiles, amphibians and fish which have backbones, while invertebrates like worms and snails lack backbones.
3. Characteristics used to classify organisms include their body coverings, reproductive strategies, respiratory organs, and presence or absence of features like legs, wings, scales and hair.
5º ep power point unit 2. living things
1. Living things are classified into five kingdoms: Animal, Plant, Monera, Fungi, and Protista.
2. Within the Animal kingdom, vertebrates include mammals, birds, reptiles, amphibians and fish which have backbones, while invertebrates like worms and snails lack backbones.
3. Characteristics used to classify different types of animals include their body coverings, limbs, reproductive methods and respiratory organs.
VERTEBRATES AND INVERTEBRATES
This lesson plan covers vertebrates and invertebrates over 10 sessions for 3rd course primary education students. It includes reading activities about the life cycles of frogs and fish. It also details lessons about the 5 groups of vertebrates - fish, amphibians, reptiles, birds, and mammals - exploring their characteristics like breathing, skeletons, scales/feathers, and reproduction. Lessons on invertebrates discuss their soft bodies, shells, breathing, and oviparous reproduction through larva and changes in shape as they grow. Comprehension questions reinforce key points about classifying and comparing vertebrates and invertebrates.
Unit 2 - The classification of living things
1) Living things are classified into kingdoms, including Animal, Plant, Monera, Fungi and Protista.
2) Within the Animal kingdom, vertebrates like mammals, fish, birds, reptiles and amphibians have backbones, while invertebrates like worms and snails do not.
3) Each type of animal has distinguishing characteristics - mammals have hair and breathe with lungs, reptiles have scales and breathe with lungs, fish breathe with gills and have fins/scales, birds fly and lay eggs, amphibians have thin skin and go through metamorphosis.
Unit 2. the classification of living things
1. The document classifies living things into five kingdoms: Monera, Protista, Fungi, Plants, and Animals.
2. Within each kingdom, organisms are described and compared based on their shape, nutrition, reproduction, and movement.
3. The Animals kingdom is further divided into invertebrates like molluscs, cnidarians, poriferans, echinoderms, arthropods, and annelids. Vertebrates include mammals, reptiles, fish, birds, and amphibians which are also characterized by their physical traits and life processes.
Invertebrates 2
The document discusses different types of invertebrate animals found on land and in oceans. It describes insects as having a three-part body and six legs. Spiders are described as having eight legs and two main body parts. Jellyfish and anemones are introduced as cnidarians that can sting. Mollusks are described as having soft bodies and sometimes one or two shells. Cephalopods like octopuses and squid have no shells and use other defenses. Crustaceans are described as having a hard outer covering and molting. Echinoderms move via tube feet, with sea stars having five or more arms and sea urchins being covered in spines.
Animals and Plants
There are two types of animals: invertebrates, which do not have a backbone, and vertebrates, which do have a backbone. Vertebrates can be classified into five main groups - mammals, birds, fish, reptiles, and amphibians - while invertebrates include molluscs, arthropods such as insects and arachnids, jellyfish, sponges, and starfish. Plants are also living things that make their own food, reproduce, and have stems, leaves, and roots, with trees having trunks and branches and being either evergreen or deciduous, bushes having hard stems and branches close to the ground, and grasses having soft, thin, and
Insects Powerpoint
The document defines what an insect is and provides key details about their characteristics and anatomy. It states that insects have an exoskeleton, three body parts (head, thorax, abdomen), antennae, compound eyes, and many have two pairs of wings. It provides examples of common insect species and notes their diversity, with over 700,000 known species. The document also gives a brief overview of insect sizes, lifecycles, and locomotion.
Vertebrate & Invertebrate Animals
Vertebrate animals have backbones and internal skeletons, including fish with scales, amphibians with moist skin and no scales, mammals with fur or hair, birds with feathers, and reptiles with scales. Invertebrate animals lack backbones and internal bones, with insects making up the largest group of invertebrates.
Insects
Insects make up half of all living things on Earth, with over a million known species and many more still undiscovered. All insects have six legs, an exoskeleton, and three body parts - a head, thorax, and abdomen. While not all insects have wings or the same mouthparts, they all breathe through openings in their abdomen and have compound eyes with thousands of lenses providing wide vision.
Vertebrates characteristics by Manuela 5ºA
Vertebrates are animals with an internal skeleton that allows movement. They have a spinal column, head, trunk, and limbs. The five main groups are mammals, birds, fish, amphibians, and reptiles. Mammals have a well-developed sense of touch and smell that helps many find mates or locate food. Their ears are complex with outer, middle, and inner structures that transmit sound vibrations to the brain. Most mammals reproduce viviparously by giving live birth, unlike other vertebrates that often lay eggs.
ANIMALS vertebrates and invertebrates
Here are the answers to the questions about the elephant:
It breathes through lungs.
It eats plants.
It reproduces viviparously - the babies are born alive from the mother's womb.
Characteristics of invertebrate animals
The document describes the distinguishing characteristics of different phyla, including porifera, cnidaria, platyhelminthes, annelids, mollusks, nematodes, arthropods, and echinoderms. It also provides a classification key to identify the class of different arthropods based on their number of legs.
Invertebrates and vertebrates
This document discusses invertebrate and vertebrate animals. It describes the main characteristics of invertebrates as lacking a spinal column or internal skeleton, and having bodies covered by shells, exoskeletons, or soft skin. The main groups of invertebrates are listed as jellyfish, sponges, annelids, arthropods, echinoderms, and mollusks. Butterflies are highlighted as invertebrate insects belonging to the arthropod group. In contrast, the main characteristic of vertebrates is having a spinal column or internal skeleton. Dogs are given as an example vertebrate, describing them as placental mammals with four legs that are not aquatic animals
Invertebrates
This document summarizes 8 major groups of invertebrates:
1) Arthropoda - includes insects, arachnids, crustaceans; have jointed legs and external skeleton.
2) Echinodermata - have spiny skin and radial symmetry.
3) Mollusca - have soft, shapeless bodies.
4) Annelida - are segmented worms found in water and soil.
5) Nematoda - are roundworms, some of which are parasitic.
6) Platyhelminthes - are flatworms, some of which are parasites without digestive systems.
7) Porifera - have pores all over their bodies to take
INSECTS
Insects have 6 legs, 3 main body parts (head, thorax, abdomen), antennae, an exoskeleton, and either 4 or 2 wings. Common insects include bees, butterflies, crickets, dragonflies, and ants. The document also mentions a video about the life cycle of a butterfly and asks the reader to identify which animals shown are insects.
Animal Sceience; Tanhui
This document provides an overview of different animal groups:
- Amphibians such as frogs and salamanders spend time both in water and on land, laying jelly-covered eggs in water and breathing through gills, lungs or skin.
- Birds come in many varieties from hummingbirds to ostriches and can be grouped by habitat, diet or physical features.
- Fish are cold-blooded, lay eggs, have scales and fins instead of legs, and breathe through gills in water.
- Insects have six legs, three body parts, an exoskeleton, one or two pairs of wings, are cold-blooded and lay many eggs.
- Mammals are intelligent,
Invertebrates
The document describes several types of invertebrates including sponges, jellyfish, worms, mollusks, and arthropods. Sponges have no organs or ability to move but live in oceans. Jellyfish have tentacles, mouths, and live on ocean floors. Worms can regrow parts and come in varieties like flatworms, roundworms, and segmented worms. Mollusks like snails and octopuses make shells and live in water or on land. Arthropods are the largest invertebrate group and include crustaceans, arachnids, insects, centipedes and millipedes which have exoskeletons and sensory organs.
Invertebrates presentation
The document classifies all animals into two main groups: vertebrates and invertebrates. Vertebrates have backbones and are divided into five groups - fish, amphibians, birds, mammals and reptiles. Each group is described in one or two sentences, noting key distinguishing characteristics like warm/cold-blooded, laying eggs, living on land or in water, having feathers/scales/hair and whether they feed milk to young.
Invertebrates and vertebrates animals
The document classifies animals into two main groups: invertebrates and vertebrates. Invertebrates do not have a bone skeleton, while vertebrates do. Invertebrates include worms, sea jellies, mollusks, arthropods, and sponges. Vertebrates include amphibians, reptiles, birds, and mammals. Amphibians can live on land and water and have gills and lungs, while reptiles have scales and lay eggs on land. Birds have feathers and wings and lay hard-shelled eggs, and mammals give birth to young, have hair/fur, and produce milk.
2nd qtr 8a characteristics of vertebrates
The document discusses the differences between vertebrates and invertebrates. It defines vertebrates as animals with backbones and lists examples such as fish, dogs, and humans. Invertebrates do not have backbones and examples given are spiders, flies, and caterpillars. The document then provides more details about characteristics of different classes of vertebrates including fish, amphibians, reptiles, birds, and mammals.
Ms unit-2
1. Living things are classified into five kingdoms: Animal, Plant, Monera, Fungi, and Protista.
2. Within the Animal kingdom, vertebrates include mammals, birds, reptiles, amphibians and fish which have backbones, while invertebrates like worms and snails lack backbones.
3. Characteristics used to classify organisms include their body coverings, reproductive strategies, respiratory organs, and presence of features like wings, scales, or leaves.
Insects - An Introduction for First Grade
Insects have three body parts - a head, thorax, and abdomen. They have an exoskeleton, six legs, and two antennae. They hatch from eggs and some have wings while others do not. Insects can be helpful by pollinating plants or harmful as pests. Common insects include dragonflies, ladybugs, honeybees, mosquitoes, butterflies, grasshoppers, flies, beetles, and ants. Fun facts are that ants can lift 100 times their weight, honey bees are the only insect that provides food for people, and ladybugs may eat 5000 aphids in their lifetime.
Insects powerpoint
The document discusses key facts about insects, including that all insects have 6 legs, 3 body parts, and a pair of antennae. It notes that some insects have wings and can fly, while others do not have wings and walk or jump. The document also mentions that insects have tough, waterproof skin, large eyes, and molt their skin as they grow. It asks questions about what insects eat, whether spiders are insects, and the largest insect on Earth.
Insects
Presentation about insects. Characteristics, parts of their body and names. Perfect for early Primary Education
Birth & reproductive developmental process
This document discusses reproduction and development in vertebrates and invertebrates. It explains that some fish can change sex and produce both eggs and sperm. It also describes the fertilization process and germ layer formation in development. Key differences between vertebrates and invertebrates are highlighted, and examples of reproductive modes in bony fish, flatworms, insects and their life cycles are provided.
Invertebrates presentation
This document summarizes key invertebrate groups. It describes porifera as aquatic animals that filter water through two openings. Cnidaria are divided into jellyfish and polyps, and have stinging cells in their tentacles. Annelids include polychaetes, tubifids worms, and hirudineans. Molluscs such as gastropods, cephalopods, and bivalves have a soft body protected by a shell. Arthropods include crustaceans, myriapods, arachnids, and insects. Echinoderms are marine animals that move slowly along the seafloor.
Unit 6 spanish
La electricidad ha existido desde siempre pero los científicos comenzaron a estudiarla en profundidad en el siglo XVIII, lo que llevó al descubrimiento de muchos inventos. Durante los siglos XIX y XX, Thomas Edison descubrió varias formas de producir y usar energía eléctrica a través de invenciones como la bombilla eléctrica que cambiaron la forma en que vivimos. La electricidad se produce por el movimiento de electrones entre átomos y puede ser estática o en forma de corriente eléctrica a través
Unit 2: Nutricion
El documento describe los procesos de la digestión, la respiración, la circulación sanguínea, la excreción y la importancia de una alimentación saludable. Explica cómo la comida es digerida a través del tracto gastrointestinal, cómo el oxígeno es absorbido en los pulmones durante la respiración, cómo la sangre es bombeada por el corazón a través de los vasos sanguíneos, y cómo los riñones filtran la sangre y la vejiga almacena y elimina la orina. También destaca la importancia de
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Insects Powerpoint
The document defines what an insect is and provides key details about their characteristics and anatomy. It states that insects have an exoskeleton, three body parts (head, thorax, abdomen), antennae, compound eyes, and many have two pairs of wings. It provides examples of common insect species and notes their diversity, with over 700,000 known species. The document also gives a brief overview of insect sizes, lifecycles, and locomotion.
Vertebrate & Invertebrate Animals
Vertebrate animals have backbones and internal skeletons, including fish with scales, amphibians with moist skin and no scales, mammals with fur or hair, birds with feathers, and reptiles with scales. Invertebrate animals lack backbones and internal bones, with insects making up the largest group of invertebrates.
Insects
Insects make up half of all living things on Earth, with over a million known species and many more still undiscovered. All insects have six legs, an exoskeleton, and three body parts - a head, thorax, and abdomen. While not all insects have wings or the same mouthparts, they all breathe through openings in their abdomen and have compound eyes with thousands of lenses providing wide vision.
Vertebrates characteristics by Manuela 5ºA
Vertebrates are animals with an internal skeleton that allows movement. They have a spinal column, head, trunk, and limbs. The five main groups are mammals, birds, fish, amphibians, and reptiles. Mammals have a well-developed sense of touch and smell that helps many find mates or locate food. Their ears are complex with outer, middle, and inner structures that transmit sound vibrations to the brain. Most mammals reproduce viviparously by giving live birth, unlike other vertebrates that often lay eggs.
ANIMALS vertebrates and invertebrates
Here are the answers to the questions about the elephant:
It breathes through lungs.
It eats plants.
It reproduces viviparously - the babies are born alive from the mother's womb.
Characteristics of invertebrate animals
The document describes the distinguishing characteristics of different phyla, including porifera, cnidaria, platyhelminthes, annelids, mollusks, nematodes, arthropods, and echinoderms. It also provides a classification key to identify the class of different arthropods based on their number of legs.
Invertebrates and vertebrates
This document discusses invertebrate and vertebrate animals. It describes the main characteristics of invertebrates as lacking a spinal column or internal skeleton, and having bodies covered by shells, exoskeletons, or soft skin. The main groups of invertebrates are listed as jellyfish, sponges, annelids, arthropods, echinoderms, and mollusks. Butterflies are highlighted as invertebrate insects belonging to the arthropod group. In contrast, the main characteristic of vertebrates is having a spinal column or internal skeleton. Dogs are given as an example vertebrate, describing them as placental mammals with four legs that are not aquatic animals
Invertebrates
This document summarizes 8 major groups of invertebrates:
1) Arthropoda - includes insects, arachnids, crustaceans; have jointed legs and external skeleton.
2) Echinodermata - have spiny skin and radial symmetry.
3) Mollusca - have soft, shapeless bodies.
4) Annelida - are segmented worms found in water and soil.
5) Nematoda - are roundworms, some of which are parasitic.
6) Platyhelminthes - are flatworms, some of which are parasites without digestive systems.
7) Porifera - have pores all over their bodies to take
INSECTS
Insects have 6 legs, 3 main body parts (head, thorax, abdomen), antennae, an exoskeleton, and either 4 or 2 wings. Common insects include bees, butterflies, crickets, dragonflies, and ants. The document also mentions a video about the life cycle of a butterfly and asks the reader to identify which animals shown are insects.
Animal Sceience; Tanhui
This document provides an overview of different animal groups:
- Amphibians such as frogs and salamanders spend time both in water and on land, laying jelly-covered eggs in water and breathing through gills, lungs or skin.
- Birds come in many varieties from hummingbirds to ostriches and can be grouped by habitat, diet or physical features.
- Fish are cold-blooded, lay eggs, have scales and fins instead of legs, and breathe through gills in water.
- Insects have six legs, three body parts, an exoskeleton, one or two pairs of wings, are cold-blooded and lay many eggs.
- Mammals are intelligent,
Invertebrates
The document describes several types of invertebrates including sponges, jellyfish, worms, mollusks, and arthropods. Sponges have no organs or ability to move but live in oceans. Jellyfish have tentacles, mouths, and live on ocean floors. Worms can regrow parts and come in varieties like flatworms, roundworms, and segmented worms. Mollusks like snails and octopuses make shells and live in water or on land. Arthropods are the largest invertebrate group and include crustaceans, arachnids, insects, centipedes and millipedes which have exoskeletons and sensory organs.
Invertebrates presentation
The document classifies all animals into two main groups: vertebrates and invertebrates. Vertebrates have backbones and are divided into five groups - fish, amphibians, birds, mammals and reptiles. Each group is described in one or two sentences, noting key distinguishing characteristics like warm/cold-blooded, laying eggs, living on land or in water, having feathers/scales/hair and whether they feed milk to young.
Invertebrates and vertebrates animals
The document classifies animals into two main groups: invertebrates and vertebrates. Invertebrates do not have a bone skeleton, while vertebrates do. Invertebrates include worms, sea jellies, mollusks, arthropods, and sponges. Vertebrates include amphibians, reptiles, birds, and mammals. Amphibians can live on land and water and have gills and lungs, while reptiles have scales and lay eggs on land. Birds have feathers and wings and lay hard-shelled eggs, and mammals give birth to young, have hair/fur, and produce milk.
2nd qtr 8a characteristics of vertebrates
The document discusses the differences between vertebrates and invertebrates. It defines vertebrates as animals with backbones and lists examples such as fish, dogs, and humans. Invertebrates do not have backbones and examples given are spiders, flies, and caterpillars. The document then provides more details about characteristics of different classes of vertebrates including fish, amphibians, reptiles, birds, and mammals.
Ms unit-2
1. Living things are classified into five kingdoms: Animal, Plant, Monera, Fungi, and Protista.
2. Within the Animal kingdom, vertebrates include mammals, birds, reptiles, amphibians and fish which have backbones, while invertebrates like worms and snails lack backbones.
3. Characteristics used to classify organisms include their body coverings, reproductive strategies, respiratory organs, and presence of features like wings, scales, or leaves.
Insects - An Introduction for First Grade
Insects have three body parts - a head, thorax, and abdomen. They have an exoskeleton, six legs, and two antennae. They hatch from eggs and some have wings while others do not. Insects can be helpful by pollinating plants or harmful as pests. Common insects include dragonflies, ladybugs, honeybees, mosquitoes, butterflies, grasshoppers, flies, beetles, and ants. Fun facts are that ants can lift 100 times their weight, honey bees are the only insect that provides food for people, and ladybugs may eat 5000 aphids in their lifetime.
Insects powerpoint
The document discusses key facts about insects, including that all insects have 6 legs, 3 body parts, and a pair of antennae. It notes that some insects have wings and can fly, while others do not have wings and walk or jump. The document also mentions that insects have tough, waterproof skin, large eyes, and molt their skin as they grow. It asks questions about what insects eat, whether spiders are insects, and the largest insect on Earth.
Insects
Presentation about insects. Characteristics, parts of their body and names. Perfect for early Primary Education
Birth & reproductive developmental process
This document discusses reproduction and development in vertebrates and invertebrates. It explains that some fish can change sex and produce both eggs and sperm. It also describes the fertilization process and germ layer formation in development. Key differences between vertebrates and invertebrates are highlighted, and examples of reproductive modes in bony fish, flatworms, insects and their life cycles are provided.
Invertebrates presentation
This document summarizes key invertebrate groups. It describes porifera as aquatic animals that filter water through two openings. Cnidaria are divided into jellyfish and polyps, and have stinging cells in their tentacles. Annelids include polychaetes, tubifids worms, and hirudineans. Molluscs such as gastropods, cephalopods, and bivalves have a soft body protected by a shell. Arthropods include crustaceans, myriapods, arachnids, and insects. Echinoderms are marine animals that move slowly along the seafloor.
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- 2. All living things can be clasified according to their characteristics.
- 3. Animal,plant,monera,fungi and protista.
- 4. 1. the 5 groups are: mammals,fish,birds,reptiles and amphibians. 2. vertebrates are multicellular animals that have a spinal columm.
- 5. Respiration: they breath with lungs. Extremities: they have 4 legs and a tail but aquatic animals such as whales or dolphins have fins and a tail for swimming. Reproduction: almost all mammals are viviparous. Bodies: skin and hair covers mammals. In some animals the hair is thick an is called fur.
- 6. Bodies: they have hard scales but some have a hard shell. Reproduction: they are oviparous. Respiration: they have lungs. Extremities: they have 4 legs but snakes are reptiles that dont have legs.
- 7. Respiration: they have gills. Bodies: their body is covered with scales. Extremities: they have fins and tails. Reproduction: they are oviparous.
- 8. Respiration: they have lungs. Bodies: they have aerodynamic bodies that make it easier to fly. Extremities: birds have 2 legs and 2 wings. Reproduction :they are oviparous.
- 9. Bodies: they have smooth and thin skin. Respiration: 1.When they are young,they have gills. 2.When they are adults,they have lungs Extremities: they have 4 legs and a tail. Reproduction : they are oviparous.
- 10. Molluscs : they have soft bodies,a hard shell, gills and they lay eggs. Coelenterates: they have soft bodies, and some tentacles; they absorb oxygen through their skin, they reproduce by growing a bud or a small part. Porifera:soft bodie with pores,they eat with the pores.
- 11. Echinoderms: bodies covered with sharp spikes and some have arms or tentacles ,absorb water with gills and others through skin they are oviparous. Arthropods: they have an exoskeleton. Some have lungs and others gills, they are oviparous. Annelids: soft bodie,some absorb water through their skin and others with gills they reproduce like porifera and others are oviparous.
- 12. We clasify them into seed plant and non- seed plant. Angiosperms and gymnosperms are seed plants. Ferns and mosses are non-seed plants.
- 13. Fungi:Mushrooms ,mould and yeast are all fungi. They have several charteristics in common. Monerans:they are microscopic, but not all have the same characteristics. Protista:algae and protozoa belong to this kingdom. There is a wide variety of protists.Each type has specific characteristics.