Plant and Animal Adaptations CC

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Information about Plant and Animal Adaptations CC

Published on March 27, 2012

Author: Kristy3485


Plant and animal adaptations: Plant and animal adaptations Joke of the Day: What do you call a tree that’s adapted to fit in your hand? Type your guess in the chat box! FCAT Question of the Day!: FCAT Question of the Day! Our Stops Today: Our Stops Today Structural Adaptations in Animals Behavioral Adaptations in Animals Structural Adaptations in Plants Behavioral Adaptations in Plants Individual Variation Structural Adaptations in Animals : Structural Adaptations in Animals An adaptation is a special structure or behavior that helps an organism survive in its environment. All animals have adapted to have special structures that help them survive. These adaptations are ways that the animal can find food, find shelter, survive certain weather conditions, or protect themselves. Catching & Taking in Food : Catching & Taking in Food Without food, animals cannot survive. All animals have adapted to have structures that allow them to get food and take that food into their bodies. For example, sharks have a strong sense of smell that allows them to locate food, and they have teeth that allow them to attack their prey. Pelicans have enormous, pouched bills that they can expand to scoop fish up out of the ocean or other body of water. Sharks and pelicans have different kinds of mouths that allow them to catch and eat different kinds of food. Lizards have long, fast-moving tongues that allow them to catch insects. Cats have sharp teeth that can be used for tearing meat. Rabbits have dull, flat back teeth that help them chew up grass and other plants. Giraffes have long necks that allow them to reach high into trees and get food . Hawks have sharp, curved beaks that allow them to catch and eat prey more easily. Hawks have excellent eyesight that helps them see small prey animals from very far away. Moving : Moving Most animals can move from place to place. This allows them to look for food and water and to avoid being eaten by other animals. All animals have special structural adaptations that help them move. For example, ducks have webbed feet that allow them to be able to swim in the water and catch insects and small fish there. Rabbits, frogs, and kangaroos have powerful hind legs, which they use for jumping. Animals have structures that help them move in their environments. Cats have strong legs for running quickly after prey. Fish have fins that help them easily swim through the water. Birds have wings and feathers that help them fly. Finding Shelter : Finding Shelter Adaptations also help animals to find shelter. For example, woodpeckers have sharp beaks that allow them to tunnel through trees and make hollows. They make their nests in these hollows. Squirrels and many other kinds of animals that cannot fly also live in trees. These animals often have claws that allow them to climb the trees easily. The woodpecker and the squirrel both have structures that allow them to use trees for shelter. Many animals, such as prairie dogs, foxes, and rabbits, live in burrows. These animals have feet with claws that can be used for digging . Surviving the Weather : Surviving the Weather Adaptations also help plants and animals to survive weather conditions in their environment. For example, polar bears and wolves have thick fur and padded paws to help them survive the extreme weather of the Arctic. Emperor penguins, seals, and walruses have thick layers of blubber that help to keep them warm in cold areas. Polar bears and emperor penguins have adaptations that help them survive in cold climates. Protection from Predators : Protection from Predators Adaptations also help plants and animals to protect themselves. One method of protection is camouflage, which is when the animal's appearance helps it to blend into its environment. Some birds, insects, lizards, frogs, and other animals have special skin or outer covering that camouflages them and makes them hard for predators to see. The lizard and the stick insect have outer coverings that camouflage them and protect them against predators. Some animals protect themselves by mimicking, or looking similar, to other animals. This is called mimicry. One example of mimicry is a type of wasp that does not sting but looks similar to a stinging wasp. Still other animals protect themselves with very sharp senses which result from the structure of their sense organs, such as noses. For example, rabbits have huge ears that they can use to hear predators with. Deer have an excellent sense of smell. PowerPoint Presentation: Mimicry (looking or sounding like another living organism) The Viceroy butterfly uses mimicry to look like the Monarch butterfly. Can you tell them apart? Poisonous Not poisonous Physical adaptation I’m the Monarch! I’m the Viceroy! Behavioral Adaptations in Animals : Behavioral Adaptations in Animals Animals have adapted to have behaviors that help them survive in their environments. There are many different environments on Earth, and many different types of animals live in most of these environments. Each animal has special behaviors that help it survive the climate conditions of the environment. Other behaviors help the animal escape from predators or find and catch food. Defense Against the Environment Keeping cool in warm climates- Animals that live in very warm climates, such as deserts, have behaviors that help keep them from getting dangerously hot. Many desert animals are active only at night, when the temperatures have dropped. For example, a gecko, which lives in desert areas of the southwestern United States, stays in its burrow during very hot parts of the day. It comes out in search of food during the night, when it is much cooler. Surviving seasonal temperature changes- Many animals live in areas where the weather changes from season to season. All of the wild animals in areas with very cold winters have behaviors that help them to survive the cold. For example, flying birds such as the tundra swan move to warmer parts of the world to avoid the colder weather of winter. This is called migrating . Animals also adapt to changes in the food available as a result of seasonal changes. For example, some types of squirrels store nuts for winter, while bats, hedgehogs, some squirrels, and some other animals hibernate in winter to survive the long period when there is little food available. Defense Against Predators : Defense Against Predators Many animals are predators . That means that they hunt and eat other kinds of animals for food. But many predators are also prey , because they are eaten by other kinds of animals. All prey animals have behaviors that help protect them from predators. For example, when opossums, like the ones shown below, feel threatened by a predator, they roll over onto their backs and appear to be dead. Predators usually attack only live animals, so they leave the "dead" opossums alone. Another example of how animals have behaviors that protect them from predators is that the turtle pulls its head and feet up into its shell when it senses a predator. Horned lizards have still another protective behavior. They squirt a stream of blood out of their eyes at a predator. The blood tastes bad to some predators, and it also confuses them. Finally, snakes protect themselves by hissing, baring their fangs, and striking , or trying to bite a predator. Stalking Prey Just as prey animals have behaviors that help defend them against predators, predators have behaviors that help them hunt prey more successfully. For example, many kinds of wild cats stalk their prey. This means that they hide in trees, tall grass, or close to the ground and stay very still or move only very slowly. They watch for a prey animal to come near, and then they move very quickly from their hiding spot and attack the prey animal. Structural Adaptations in Plants : Structural Adaptations in Plants All plants have special structures that help them survive in their environments. Why does a cactus look different from a lemon tree? It is because every plant has physical features that help the plant live in the environment where it grows wild. Leaf Adaptations Smooth, waxy leaves or stems can help a plant keep water inside during very hot, dry weather. It can also help keep plants from freezing during cold winters or allow them to dry quickly in wet areas, where fungus could grow quickly and harm the plants. The cactus pads and the needle-like leaves of an evergreen both help save water and protect against extreme temperatures. Leaves can be large on plants that live in very dim light. This is so that there is a lot of leaf surface to catch as much sunlight as possible. In places where there is a lot of sunlight, leaves tend to be much smaller. Root Adaptations Long roots can help keep a tree or plant from being blown over by the wind. If the roots are close to the surface, they can also help the plant quickly take in water from strong rain. If the roots are deep, they can help a tree or plant reach water buried deep under ground. Roots can have other jobs besides taking in water. While most plants take in the air they need through their leaves, mangrove trees take in air through their roots. PowerPoint Presentation: Seed Adaptations No plant lives forever. So, reproducing is very important for the survival of the plant species. Some plants reproduce by making seeds. Making and spreading seeds does not help any one plant stay alive, but it helps make sure that other plants of the same kind can grow from the seeds and live. Some seeds, like those of the dandelion plant, are very small and have light, fluffy structures on the end. These seeds can easily be carried far away by the wind. Some seeds, like those of the strawberry plant, are found on or in fruit that the plant makes. Seeds found in fruit are usually spread by animals when the animals eat the fruit and then deposit the seeds in another location, along with their Waste. Dandelion seeds are spread by the wind, while strawberry seeds are spread by animals. Flower Adaptations Pollination is required for reproduction in many types of plants. In the pollination process, pollen must be transferred from male flowers, cones, or other reproductive structures to the female ones. Seeds then form from the fertilized female reproductive structures. Birds and insects often carry pollen from one plant to another. Many plants have flowers in different colors and shapes that are designed to attract certain birds or insects so that pollen is transferred between flowers. Flowers have colors and shapes that attract a certain kind of pollinators. Flowers visited by hummingbirds are often pink or red and bell-shaped. Hummingbirds can see these colors of flowers best, and they can place their long, thin beaks inside the flower to drink nectar, which is a sweet, sticky substance the flower produces. Pollen from that flower gets onto the hummingbird's beak and is transferred to the next flower the bird visits. Bees pick up pollen on their feet and legs as they crawl on the flowers. The pollen is transferred from their bodies to the next flowers the bee visits. Protective Structure Adaptations Special structures such as thorns or spines protect a plant from animals that would eat it. Cacti need spines because animals looking for water in the desert would eat the cacti if they were not covered with sharp spines. Behavioral Adaptations in Plants : Behavioral Adaptations in Plants Growth Behavior of Plants Plant stems and leaves tend to grow toward the light. Plant roots tend to grow downward. Plants behave in this way because it helps them to meet their basic needs. Growing toward the light helps plants get the amount of light they need. This gives plants in a dark forest an advantage because they can grow toward any available patch of light to survive. Growth of a plant toward light is called phototropism . This plant is growing toward a break in the fence because there is light coming from that direction. While the leaves and stems of a plant will grow toward light, plant roots grow toward the Earth in response to the Earth's gravity. This growth pattern is called geotropism , or gravitropism . Plant roots also tend to grow toward areas of increased moisture. This helps them get the water they need. This growth pattern is called hydrotropism . Response of Plants to Seasonal Changes Plants have the ability to go into an inactive state when temperatures go outside the range that the plants need in order to survive. This inactive state is called dormancy . Many plants become dormant during the winter when it is very cold. Plants that are dormant are alive inside, but might look dead on the outside. For example, deciduous trees drop their leaves and stop growing when the temperatures drop and there is less sunlight. Individual Variation : Individual Variation Each individual organism within the same species can be a little different. This is called individual variation. While organisms of the same species are generally alike, each individual can be a little different. Sometimes, these differences can help one individual within a species to survive and reproduce. For instance, imagine that a gazelle is born with longer legs than most other gazelles. If longer legs helped the gazelle to outrun predators and therefore to survive longer than most other gazelles, the long-legged gazelle would likely live longer and produce more offspring. PowerPoint Presentation: Smile while I take your picture for attendance! PowerPoint Presentation: LET’S HEAR MOBY AND ANNIE DISCUSS PLANT ADAPTATIONS ! PowerPoint Presentation: Before you leave today, remember to: *Add 60 minutes to you science attendance *Complete your Study Island assignment for this Week *Move yourself to a breakout room to play a game for 5 minutes! Can you spot the real Charlie and the one who is mimicking?

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