Mammals
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This document discusses the characteristics of mammals. It notes that mammals drink milk as babies, have fur or hair, most have four legs, and are viviparous. Examples provided of mammals include lions, dogs, koalas, bears, and people.
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Mammals are animals that are born live, have hair, and four legs. They breathe with lungs, have bones inside their bodies, and baby mammals drink milk from their mothers. Common characteristics of mammals include giving live birth, having hair, and possessing four legs.
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This document summarizes the key characteristics of mammals. It notes that mammals are warm-blooded and have hair or fur covering their bodies. They give birth to live young that they nourish with milk produced from mammary glands. Mammals are divided into three subclasses based on their reproductive methods: placental mammals where the young develops in the mother's body, marsupials where the young develop in the mother's pouch, and monotremes where the mother lays eggs but produces milk.
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Living things such as people, animals, and plants are born, grow, reproduce, and die. They require food, water, and air to survive and change during their lifetime from eggs, tadpoles, or seeds into adults like chickens, frogs, or trees. Non-living things like rocks, sand, air, and man-made objects do not have these characteristics of living things.
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Trees are plants that have a very big stem called a trunk that supports branches and leaves. They grow taller than other plants and have wood that provides structure and transport for water and nutrients. Trees come in many different shapes, sizes and types and are an important part of ecosystems.
Parts of a plant
Plants have four main parts: roots, which absorb water from the soil; stems, which support the plant; leaves, which receive sunlight; and flowers, which are the reproductive parts of plants. The document discusses the four main parts of plants - roots, stems, leaves, and flowers - and their basic functions.
Plants are living things
Plants are living things that need soil, water, air, and sunlight to survive. Without these key requirements, plants cannot grow from seeds, develop through various stages, reproduce by creating more seeds, or complete their life cycle. The document outlines the basic needs of plants and the natural life process they undergo from birth to death.
Amphibians
Amphibians have bare skin, lay eggs, and are born from eggs. They are oviparous and live in water. Examples given are toads, salamanders, and frogs, which are all classified as amphibians.
Reptiles
This document discusses reptiles as a category of animals. It notes that reptiles have scales, lay eggs, and are born from eggs. Examples of reptiles provided include iguanas, snakes, lizards, tortoises, and turtles, all of which have scales and reproduce by laying eggs.
Fishes
Fishes have scales and fins, live in water, lay eggs from which they hatch, and are oviparous. Examples given include salmon, which are fishes, as well as dolphins and sharks, which are incorrectly stated to be fishes.
Birds
Birds are animals that have feathers, two legs, and two wings. They are born from eggs and eat worms and insects. Most birds can fly, and examples of birds include owls, hens, eagles, and penguins.
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- 1. UNIT 5: OTHER ANIMALS MAMMALS TEACHER: JAVIER ROBLES
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- 8. This is a dog. Dogs are mammals.
- 9. This is a koala. Koalas are mammals.
- 10. This is a bear. Bears are mammals.
- 11. This is a child. People are mammals.