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Plants and animals
Transcript of Plants and animals
Like plants, animals, are classified based on their similarities and differences. One way scientists classify animals is by physical characteristics. Some animals have backbones while others do not have backbones.
Water and Nutrient Transportation
Plants have different ways of reproducing. Plants with flowers or cones produce seeds. A seed has many cells. It has a young plant and stored food inside a protective covering. Other plants produce spores. Each spore is one cell surrounded by a protective cell wall. A spore needs a moist, shady place where it can get nutrients and begin to grow.
Plants and animals
Scientists sort all living things, such as plants and animals, into different groups. To arrange or sort objects or living things according to their properties or characteristics is to classify.
Scientists ask questions about the organism they want to classify. They look closely at its appearance. They think about where it lives and how it gets its food. All organisms in the same group have some common characteristics. The smallest two groups are genus and species. A genus is a group of closely related things. Black- footed cats and house cats are classified in the Felis genus. They share characteristics such as sharp claws and hunting behaviors.
A species is a group of similar organisms that can mate and produce offspring that can also produce offspring. All house cats are classified in the same species.
Some plants have tubelike structures that connect their leaves , stems, and roots. These structures transport water and nutrients to all parts of the plant. They also add support to the stems and leaves. The added support helps the plant grow larger. Plants with tubelike structures are called vascular plants. Ferns, wildflowers, and many other plants are classified as vascular plants. Plants that pass water and nutrients from cell to cell are called nonvascular plants. Mosses are classified as nonvascular plants.
Animals with Backbones
Animals that have backbones are called vertebrates. There are five groups of vertebrates. These groups are fish, amphibians, reptiles, birds, and mammals.
Fish are usually covered with scales. They all live in water. Fish breathe mostly with gills. They are cold- blooded, so their body temperature depends on the temperature of their surroundings. Most fish lay eggs.
I hope you learned something new about plants and animals. BYE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Amphibians are covered with a smooth skin. They live both on land and in the water. They breathe with lungs or gills or both. They are cold- blooded. Amphibians hatch from eggs.
Reptiles are covered with scales. Most reptiles live on land. Some can live in water. They have lungs and breathe air. Reptiles are cold- blooded. Most reptiles lay eggs.
Birds are covered with feathers. They usually live on land, but many birds spend much of their time on water. Birds have lungs and breathe air. They are warm-blooded, which means that their body controls their temperature. All birds lay eggs.
Animals Without Backbones
All mammals have hair or fur. Most mammals live on land, but some live in water. They have lungs and breathe air. Mammals are warm- blooded. Most mammals do not lay eggs. They make milk to feed their young.
Plants and Animals
Animals without backbones are called invertebrates. Most animals on Earth are invertebrates. Arthropods are the largest group of invertebrates. Insects, spiders, crabs, and shrimp are arthropods. Their legs and bodies are divided into sections. Their bodies are covered by a hard lightweight outer skin, or exoskeleton. The exoskeleton protects their soft bodies. Other invertebrates, such as worms, have no protection for their soft bodies. Others, such as snails and clams, have a soft body inside a hard shell.
This house cat is classified as a Felis Genus.
Wildflower plants are classified as vascular plants.
This is a picture showing
spores growing on a plant.
This is an example of a fish.
This is an Amphibian
This is an example of a reptile.
This is a bird.
This is an example of a mammal.