Unit o . 4th grade review.
1.
2.
3.

4.
5.
6.

What are the three things that animals need?
How are animals classified acc...
1.An animal needs water, food and a place to live.
2.Animals can be : hervibores, carnivores or omnivores.
3.Plants need t...
Unit o . 4th grade review.
8. What are the properties of minerals?
9. What are rocks made up of?
10. What are the three po...
Unit o . 4th grade review.
8. Properties are; shape, colour, lustre and hardness.
9. Rocks are made of of minerals.
10. Th...
Unit 1(a): Living things.
INDEX
Unit 1(a): living things.
1.

New words.

SpeciesExtinctBiodiversity
About
Became
Inhabitated
Estimated
Allows
Cells
Singl...
Unit 1(a): living things.
2. Sentences.
-There are 10 million species on
Earth.
-Dinosaurs became extinct.
-Our planet has...
Unit 1(a): living things.
2. Sentences.
-Our intelligence allows us to
understand the world.
-All living things are formed...
Unit 1(a): living things.
2. Sentences.
-I share my things with my friends.
-I do my tasks everyday.
-The stomach is made ...
Unit 1(a): living things.
3.The characteristics of living things
Unit 1(a): living things.
3.The characteristics of living things

B) Vital functions of living things.
Nutrition. We take ...
Unit 1(a): living things.
3.The characteristics of living things
4.The structure of living things.
-The single cell organisms perform the vital
functions in their one cell.
-In multicellu...
5.The classification of living things.
 There are five kingdoms.

MONERAN KINGDOM
-They have one cell.
-Cells have no mem...
5.The classification of living things.

PROTIST KINGDOM.
-Most have one cell.
-Cells have a membrane around the
nucleus.
-...
5.The classification of living things.

FUNGUS KINGDOM.
-They have many cells.
- They can not move.
-They absorb nutrients...
5.The classification of living things.

.PLANTS KINGDOM.
-They have many cells.
-Cells have a membrane around the
nucleus....
5.The classification of living things.

.ANIMAL KINGDOM.
-They have many cells.
-Most can move and they get energy
consumi...
LIVING THING OUTLINE
CHARACTERISTICS

FUNCTIONS

Are formed of

CELLS have

Have three vital functions

cytoplasm
membrane...
Unit 1(b): Plants.
INDEX
Unit 1(b): Plants.
1. New words.
Moss.-Musgo
Fern-Helecho
Monocotyledon
Dicotyledon
Shade-Sombra
Damp-Humedad
Single-Único...
Unit 1(b): Plants.
2. Sentences.
•Mosses and ferns are not
flowering plants.
•Flowering plants are classified
into monocot...
Unit 1(b): Plants.
2. Sentences.
•The leaves use sunlight to provide
energy to the plant.
• The roots help to hold the pla...
Unit 1(b): Plants.
2. Sentences.
•The stems can be woody or
herbaceous.
•Onions are bulbs
•Potatoes are tubers.
•Some root...
Unit 1(b): Plants.
Plants classification.
•A)Non flowering plants do not
produce flowers.
•They include : mosses and ferns...
Unit 1(b): Plants .
4.Parts of the plant.
LEAVES
According to their leaves plants can be:
DECIDIOUS. If they lose their le...
Unit 1(b): Plants .
4.Parts of the plant.
STEMS
There are two types of stem:
Woody, if it´s hard and strong.
Ex. Trees and...
Unit 1(b): Plants .
4.Parts of the plant.
ROOTS.
Some roots also can store food like
beetroots and carrots.
Unit 1(b): Plants .
5.Activities. Questions about plants.
1- What is a flowering plant? And a non flowering
plant?
2- What...
Unit 1(b): Plants .
What do plants need to grow?
 Air

 Water – not too
much!!
 Light
 Soil
What are the parts of a plant?

 Flower

This part makes seeds.
 Stem
This part carries food and water through the
plant...
LEAF
LEAVES

The leaves
use
sunlight to
provide
the plant
with
energy.
DECIDIUOUS, if they lose their leaves in autumn.
Poplars, Beeches and Chestnuts.

EVERGREEN, if they keep their leaves all...
STEM
It conducts the
water and
mineral salts
from the roots
to the leaves.
WOODY, if it is hard and strong.
Trees and bushes.
HERBACEOUS, if it is more flexible.
Grass.
Some plants store food in th...
THE ROOTS
They help to
hold the plant in
the ground to
absorb the
water and
mineral salts.
Roots.

Carrots

Beetroots

and
Unit 1(b): Plants .
6-Vital functions of the
plants.
 Plants make their own food from

sunlight, water, minerals and carb...
Plants make several simple

movements towards the sun.
The roots, stems and leaves move a little at a very low
speed.
A ...
Most plants reproduce from seeds.
The reproduction takes place in the flower.
Flowers have male and female organs.
Unit 1(b): Plants .

Nutrition
Plants need food. The roots take in minerals from the
soil.
The leaves then turn these mine...
Unit 1(b): Plants .

Excretion
Plant release oxygen. This is a
waste product of photosynthesis.
Unit 1(b): Plants .

Respiration
Plants take in Carbon dioxide
(gas), They use this to make food.
Unit 1(b): Plants .

Growth
Plant use the food made during
photosynthesis to grow.
Plants OUTLINE
CHARACTERISTICS

FUNCTIONS

Most have three parts

CLASSIFICATION

Have three vital functions

Reproduction...
Unit 2: Animals.
INDEX
Unit 2: Animals
1. New words.

Beaks- picos
backbone- columna vertebral
Insectivores- insectívoros
limbs – miembros
Lay eg...
Unit 2 - ANIMALS
Unit 2: Animals

SENTENCES

•Vertebrates have a backbone.
•Limbs are the same as extremities.
•Invertebrates are divided i...
Unit 2: Animals

SENTENCES

•Fish have scales , fins and gills.
•Fish hatch from eggs.
•Reptiles have scaly skin like croc...
CHARACTERISTICS
Unit 2: Vertebrates characteristics.
MAMMALS

•They are covered in hair or fur.
•They are warm blooded.
•They have lungs.
...
Unit 2: Vertebrates characteristics.
BIRDS
•They are covered with feathers. They have beak and
wings.
•They are warm blood...
Unit 2: Vertebrates characteristics.
FISH

•They have scales and fins.
•They are cold blooded.
•They use gills to breathe....
Unit 2: Vertebrates characteristics.
REPTILES

•They have scaly skin.
•They are cold blooded.
•They have lungs.
•They eat ...
Unit 2: Vertebrates characteristics.
AMPHIBIANS

•They have slimy wet skin.
•They are cold blooded.
•Tadpoles breath troug...
Invertebrates Characteristics.
Unit 2: Invertebrates characteristics.

SPONGES
They have a soft body with a lot of
openings.

Like a bath sponge.
Unit 2: Invertebrates characteristics.

Jellyfish.
They have a transparent and soft body
with umbrella shape.
Like a medus...
Unit 2: Invertebrates characteristics.

Worms
They have a soft and ringed body.
Earthworms
tapeworms.
Unit 2: Invertebrates characteristics.

Echinoderms.

They have a spiny skinned body or with
limey plates.
Starfish or sea...
Unit 2: Invertebrates characteristics.

Molluscs.

They have a slimy foot. They often have a
shell.

Snails,slugs, octopus...
Unit 2: Invertebrates characteristics.

Arthropods.
They have a jointed body made of jointed
pieces that move.

Spiders, s...
Unit 2: Invertebrates characteristics.

Insects.
They have six legs and three body parts
( head, torax and abdomen).

Bee,...
Unit 2: Invertebrates characteristics.

Arachnids.
They have 8 legs and two body parts
(head and abdomen).
Spiders and sco...
Unit 2: Invertebrates characteristics.

Crustacean.
They have hard outer covering like crust.

Crab and shrimps.
Unit 2: Invertebrates characteristics.

Myriapods.
They have a head and segmented trunk.

Scalopendra, centipede and multi...
Unit 2: NUTRITION FUNCTION IN ANIMALS..

Animals are consumers or heterotrophy.
This means they feed on other living
thing...
Unit 2: NUTRITION FUNCTION IN ANIMALS..

STAGES.
1. Taking and digestion of food.
Almost all animals take food with their
...
Unit 2: NUTRITION FUNCTION IN ANIMALS..

STAGES.
2. Breathing.
Animals take oxygen from water through
their skin and gills...
Unit 2: NUTRITION FUNCTION IN ANIMALS..

STAGES.
3.Distribution of substances.
Blood distributes oxygen and nutrients
thro...
Unit 2: NUTRITION FUNCTION IN ANIMALS..

STAGES.
4.Excretion of residues
Animals excrete through the residues
excretory sy...
Unit 2: INTERACTION FUNCTION IN ANIMALS..

How the interaction function works.
To perform the interaction function, animal...
ANIMALS OUTLINE
CHARACTERISTICS

FUNCTIONS

They have the tree vital functions of
living things.

They are divided into tw...
Do you want to know more about
animals?
 Click here to learn more about this.

 http://www.kidzone.ws/animals/animal_cla...
Science 5º Unit 1 and unit 2
Science 5º Unit 1 and unit 2
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Unit 2- Plants

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  1. 1. Unit o . 4th grade review. 1. 2. 3. 4. 5. 6. What are the three things that animals need? How are animals classified according to the food they eat? What do plants need in order to live? What is an ecosystem? Write examples of living things and non-living things in a ecosystem. Can you explain the difference between ecosystems and habitats?
  2. 2. 1.An animal needs water, food and a place to live. 2.Animals can be : hervibores, carnivores or omnivores. 3.Plants need to live food,water,sunlight and soil. 5.An ecosystem is the place that living things and non living things live together. 6.Living things: animals and plants, non living things: water, soil , rocks and light. 7.An habitat is included in an ecosystem.
  3. 3. Unit o . 4th grade review. 8. What are the properties of minerals? 9. What are rocks made up of? 10. What are the three possible origins of natural materials? 11. What is the origin of artificial materials?. Write an example to explain it. 12. What are machines? Name some simple machines. 13. What are complex machines made of?Give 3 examples.
  4. 4. Unit o . 4th grade review. 8. Properties are; shape, colour, lustre and hardness. 9. Rocks are made of of minerals. 10. There are three possible origins: vegetable, mineral or animal 11. Can be man made or manufactured. 12. Machines are objects that make our life easier and better.Wheel , inclined plane, pulley. 13. Complex machines are made of simple machines. For instance a bicycle, washing machine.
  5. 5. Unit 1(a): Living things. INDEX
  6. 6. Unit 1(a): living things. 1. New words. SpeciesExtinctBiodiversity About Became Inhabitated Estimated Allows Cells Single cell Surrondings-alrededores To sense-sentir To share-compartir Task-tarea Tissues-tejidos Perform-realizar Within-dentro Cytoplasm-citoplasma Membrane-membrana Wrapper-envoltorio
  7. 7. Unit 1(a): living things. 2. Sentences. -There are 10 million species on Earth. -Dinosaurs became extinct. -Our planet has great biodiversity. -There are about 10 million species. -Dinosaurs inhabited our planet many years ago.
  8. 8. Unit 1(a): living things. 2. Sentences. -Our intelligence allows us to understand the world. -All living things are formed of cells. -A single cell organism is formed of one cell. -I play around my house surroundings.
  9. 9. Unit 1(a): living things. 2. Sentences. -I share my things with my friends. -I do my tasks everyday. -The stomach is made of different tissues. -I perform certain task. -They will be here within an hour. -The cytoplasm is inside the cell. -The membrane is the cell´s wrapper.
  10. 10. Unit 1(a): living things. 3.The characteristics of living things
  11. 11. Unit 1(a): living things. 3.The characteristics of living things B) Vital functions of living things. Nutrition. We take things from our surrondings which we use our bodies to obtain energy and grow. Interaction. We sense changes around us and react to those changes. Reproduction. We produce living things similar to ourselves.
  12. 12. Unit 1(a): living things. 3.The characteristics of living things
  13. 13. 4.The structure of living things. -The single cell organisms perform the vital functions in their one cell. -In multicellular organisms cells group together to share different tasks.They form: • -Tissues. Groups of cells which specialize in • • performing certain tasks -Organs. Parts of the organisms formed of different tissues which perform a particular task. -Systems- groups of organs which perform a task within a more complex function.
  14. 14. 5.The classification of living things.  There are five kingdoms. MONERAN KINGDOM -They have one cell. -Cells have no membrane around the nucleus. -Most reproduce by splitting in two. -Some monerans cause diseases. But other are helpful to people like bacteria.
  15. 15. 5.The classification of living things. PROTIST KINGDOM. -Most have one cell. -Cells have a membrane around the nucleus. -They get nutrients eating other organisms from water. -Most reproduce by splitting in two. Examples- Paramecium, amoeba
  16. 16. 5.The classification of living things. FUNGUS KINGDOM. -They have many cells. - They can not move. -They absorb nutrients from other organisms. -Most reprouce by spores. -Example- mushrooms , yeast, molds, lichens.
  17. 17. 5.The classification of living things. .PLANTS KINGDOM. -They have many cells. -Cells have a membrane around the nucleus.It contains chlorophyll. -They use energy from the sun to make their own food. (Photosynthesis) -Most reproduce from seeds. Examples: Trees , grass, flowers and ferns.
  18. 18. 5.The classification of living things. .ANIMAL KINGDOM. -They have many cells. -Most can move and they get energy consuming other organisms. -They can reproduce with eggs or in the mother´s womb. Examples:insects, fish, mammals….
  19. 19. LIVING THING OUTLINE CHARACTERISTICS FUNCTIONS Are formed of CELLS have Have three vital functions cytoplasm membrane nucleus They can have One cell Nutrition, Interaction Reproduction many cells single-cell multicellular organisms structures TISSUES ORGANS SYSTEMS CLASSIFICATION Are classified in five kingdoms Moneran Protist Fungus Plants Animals.
  20. 20. Unit 1(b): Plants. INDEX
  21. 21. Unit 1(b): Plants. 1. New words. Moss.-Musgo Fern-Helecho Monocotyledon Dicotyledon Shade-Sombra Damp-Humedad Single-Único To provide-suministrar To hold-Sujetar Decidious-caduco Evergreen-perenne Poplars-álamos Beeches-hayas Chestnut-nogales Woody-leñoso Herbaceous-herbáceo Bulbs-bulbos Tubers-tubérculos Beetroots-nabos.
  22. 22. Unit 1(b): Plants. 2. Sentences. •Mosses and ferns are not flowering plants. •Flowering plants are classified into monocotyledons and dicotyledons. •Mosses and ferns need damp and shade conditions. •Monocotyledons have a single seed
  23. 23. Unit 1(b): Plants. 2. Sentences. •The leaves use sunlight to provide energy to the plant. • The roots help to hold the plant. •According to their leaves plants can be decidious or evergreen. •In the park there are a lot of poplars, beeches and chestnuts.
  24. 24. Unit 1(b): Plants. 2. Sentences. •The stems can be woody or herbaceous. •Onions are bulbs •Potatoes are tubers. •Some roots store food like beetroots.
  25. 25. Unit 1(b): Plants. Plants classification. •A)Non flowering plants do not produce flowers. •They include : mosses and ferns. •B)Flowering plants produce flowers. •They include: Monocotyledon and Dicotyledon
  26. 26. Unit 1(b): Plants . 4.Parts of the plant. LEAVES According to their leaves plants can be: DECIDIOUS. If they lose their leaves in autumn. Like, poplars and chestnuts. EVERGREEN. If their keep their leaves all year: Pine and cypress.
  27. 27. Unit 1(b): Plants . 4.Parts of the plant. STEMS There are two types of stem: Woody, if it´s hard and strong. Ex. Trees and bushes. Herbaceous, if it is more flexible. Ex. Grass
  28. 28. Unit 1(b): Plants . 4.Parts of the plant. ROOTS. Some roots also can store food like beetroots and carrots.
  29. 29. Unit 1(b): Plants . 5.Activities. Questions about plants. 1- What is a flowering plant? And a non flowering plant? 2- What kind of plants are mosses and ferns? 3-How can flowering plants can be classified. 4- What are the plants parts? What is the function of each part? 5-According to the plants leaves how are the plants classified? 6-What are the two types of stem?
  30. 30. Unit 1(b): Plants .
  31. 31. What do plants need to grow?  Air  Water – not too much!!  Light  Soil
  32. 32. What are the parts of a plant?  Flower This part makes seeds.  Stem This part carries food and water through the plant.  Leaf This part makes food for the plant.  Root This part carries water from the soil to the plant.
  33. 33. LEAF LEAVES The leaves use sunlight to provide the plant with energy.
  34. 34. DECIDIUOUS, if they lose their leaves in autumn. Poplars, Beeches and Chestnuts. EVERGREEN, if they keep their leaves all year. Pines and Cypresses.
  35. 35. STEM It conducts the water and mineral salts from the roots to the leaves.
  36. 36. WOODY, if it is hard and strong. Trees and bushes. HERBACEOUS, if it is more flexible. Grass. Some plants store food in the stem but underground to survive in winter. Onions (bulbs) Potatoes (tubers)
  37. 37. THE ROOTS They help to hold the plant in the ground to absorb the water and mineral salts.
  38. 38. Roots. Carrots Beetroots and
  39. 39. Unit 1(b): Plants . 6-Vital functions of the plants.  Plants make their own food from sunlight, water, minerals and carbon dioxide. This process is called PHOTOSYNTHESIS Plants are AUTOTROPHS.(Producers)
  40. 40. Plants make several simple movements towards the sun. The roots, stems and leaves move a little at a very low speed. A water lily opens as the day breaks and closes as darkness falls. A mimosa folds its leaves if something touches it. A Venus fly trap closes when an insect comes in contact with it.
  41. 41. Most plants reproduce from seeds. The reproduction takes place in the flower. Flowers have male and female organs.
  42. 42. Unit 1(b): Plants . Nutrition Plants need food. The roots take in minerals from the soil. The leaves then turn these mineral salts and water into food using energy from the sun. This is called photosynthesis.
  43. 43. Unit 1(b): Plants . Excretion Plant release oxygen. This is a waste product of photosynthesis.
  44. 44. Unit 1(b): Plants . Respiration Plants take in Carbon dioxide (gas), They use this to make food.
  45. 45. Unit 1(b): Plants . Growth Plant use the food made during photosynthesis to grow.
  46. 46. Plants OUTLINE CHARACTERISTICS FUNCTIONS Most have three parts CLASSIFICATION Have three vital functions Reproduction Interaction Nutrition Leaves Stem Roots Herbaceous or woody Decidious Evergreen Are classified stages 1. Absortion 2. Photosynthes is 3. Breathing 4. Excretion They can store food If they do not produce flowers. If they produce flowers •Mon ocotyledon. •Dicotyledon •Mosses •Ferns
  47. 47. Unit 2: Animals. INDEX
  48. 48. Unit 2: Animals 1. New words. Beaks- picos backbone- columna vertebral Insectivores- insectívoros limbs – miembros Lay eggs-poner huevos arthropods- artrópodos Scales- escamas molluscs- moluscos Fins-aletas echinodermus- equinodermos Gills- branquias jellyfish- medusas Hatch-eclosionar sponges- esponjas Tadpoles-renacuajos fur- pelo Ringed body- cuerpo warm blooded- sangre anillado caliente Jointed body-cuerpo cold blooded- sangre fría articulado Womb- útero.
  49. 49. Unit 2 - ANIMALS
  50. 50. Unit 2: Animals SENTENCES •Vertebrates have a backbone. •Limbs are the same as extremities. •Invertebrates are divided into: arthropods, molluscs, echinoderms, jellyfish and sponges. •Mammals are warm blooded and have a lot of fur, like bears. •Reptiles are cold blooded. •Mammals are born from their mother´s womb. •Birds have lungs, feathers, beak and wings. •Birds are insectivores and lay eggs.
  51. 51. Unit 2: Animals SENTENCES •Fish have scales , fins and gills. •Fish hatch from eggs. •Reptiles have scaly skin like crocodiles. •Amphibians have slimy wet skin and breath through gills like a tadpole. •Worms have a ringed body •Echinoderms have spinny skinned body. •Molluscs have a slimy foot. •Arthropods have a jointed body. •Arthtropods , molluscs , echinoderms and worms don´t have bones.
  52. 52. CHARACTERISTICS
  53. 53. Unit 2: Vertebrates characteristics. MAMMALS •They are covered in hair or fur. •They are warm blooded. •They have lungs. •They can be omnivores, hervibores or carnivores. •They are born from their mother´s womb. •They are land mammals and sea mammals. •Humans, horses and elephants
  54. 54. Unit 2: Vertebrates characteristics. BIRDS •They are covered with feathers. They have beak and wings. •They are warm blooded. •They have lungs. •They can be omnivores, hervibores or carnivores or insectivores. •They lay eggs •They live on land and sometimes on water. •Pidgeon, hawk , eagle, stork, sparrow.
  55. 55. Unit 2: Vertebrates characteristics. FISH •They have scales and fins. •They are cold blooded. •They use gills to breathe. •They eat plants, algae, insects and other fish. •They hatch from eggs. •They live on water. •Cod, goldfish, trout and salmon.
  56. 56. Unit 2: Vertebrates characteristics. REPTILES •They have scaly skin. •They are cold blooded. •They have lungs. •They eat plants and other animals like insects. •They lay eggs. •They live on land and in water. •Snakes, alligators or lizards.
  57. 57. Unit 2: Vertebrates characteristics. AMPHIBIANS •They have slimy wet skin. •They are cold blooded. •Tadpoles breath trough gills. •They eat plants and other animals like dragonflies or flies. •They hatch from eggs. •They can live in water or land. •Frogs , newts, toads, salamander.
  58. 58. Invertebrates Characteristics.
  59. 59. Unit 2: Invertebrates characteristics. SPONGES They have a soft body with a lot of openings. Like a bath sponge.
  60. 60. Unit 2: Invertebrates characteristics. Jellyfish. They have a transparent and soft body with umbrella shape. Like a medusa or a jellyfish.
  61. 61. Unit 2: Invertebrates characteristics. Worms They have a soft and ringed body. Earthworms tapeworms.
  62. 62. Unit 2: Invertebrates characteristics. Echinoderms. They have a spiny skinned body or with limey plates. Starfish or sea urchins.
  63. 63. Unit 2: Invertebrates characteristics. Molluscs. They have a slimy foot. They often have a shell. Snails,slugs, octopus,squids.
  64. 64. Unit 2: Invertebrates characteristics. Arthropods. They have a jointed body made of jointed pieces that move. Spiders, scorpion and flies
  65. 65. Unit 2: Invertebrates characteristics. Insects. They have six legs and three body parts ( head, torax and abdomen). Bee, wasp, fly, butterflies and mosquito.
  66. 66. Unit 2: Invertebrates characteristics. Arachnids. They have 8 legs and two body parts (head and abdomen). Spiders and scorpions.
  67. 67. Unit 2: Invertebrates characteristics. Crustacean. They have hard outer covering like crust. Crab and shrimps.
  68. 68. Unit 2: Invertebrates characteristics. Myriapods. They have a head and segmented trunk. Scalopendra, centipede and multipede.
  69. 69. Unit 2: NUTRITION FUNCTION IN ANIMALS.. Animals are consumers or heterotrophy. This means they feed on other living things. STAGES 1. Taking and digestion of food. 2. Breathing. 3. Distribution of substances.
  70. 70. Unit 2: NUTRITION FUNCTION IN ANIMALS.. STAGES. 1. Taking and digestion of food. Almost all animals take food with their bodies through their mouth, which can have tentacles, tongue, beak…. To perform digestion most animals have a digestive system.
  71. 71. Unit 2: NUTRITION FUNCTION IN ANIMALS.. STAGES. 2. Breathing. Animals take oxygen from water through their skin and gills. Some of them have lungs to breathe.
  72. 72. Unit 2: NUTRITION FUNCTION IN ANIMALS.. STAGES. 3.Distribution of substances. Blood distributes oxygen and nutrients through the circulatory system.
  73. 73. Unit 2: NUTRITION FUNCTION IN ANIMALS.. STAGES. 4.Excretion of residues Animals excrete through the residues excretory system.
  74. 74. Unit 2: INTERACTION FUNCTION IN ANIMALS.. How the interaction function works. To perform the interaction function, animals have: RECEPTORS Which detect information A NERVOUS SYSTEM EFFECTORS Like Which receives muscles, which information,elabor execute the ates a response instructions;anima and sends ls react by instructions moving,producing substances,comm unicating, etc….
  75. 75. ANIMALS OUTLINE CHARACTERISTICS FUNCTIONS They have the tree vital functions of living things. They are divided into two groups Reproduction with a backbone without a backbone VERTEBRATES MAMMALS FISH AMPHIBIANS REPTILES BIRDS INVERTEBRATES ARTHROPODS MOLLUSCS ECHINODERMS SPONGES JELLYFISH WORMS Mammals are viviparous , the rest oviparous. Interaction Nutrition Receptors Taking and digestion of food. Nervous System Breathing Effectors Distributio n of substances Excretion of resiudes.
  76. 76. Do you want to know more about animals?  Click here to learn more about this.  http://www.kidzone.ws/animals/animal_classes.htm

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