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Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
Life science
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Life science

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5th grade Life Science

5th grade Life Science

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  • 1. Life Science
  • 2. Life Science • What are the 3 types of animal life cycles? – Direct development, incomplete metamorphosis, complete metamorphosis • What is the only change in direct development? – size • What are the stages in an incomplete metamorphosis? – 1.egg 2.nymph 3.adult • What are the stages in a complete metamorphosis? – 1.egg 2.larva 3.pupa 4.adult
  • 3. Life Science • What are the four stages in a plant life cycle? – 1.embryo, 2.seed, 3.seedling, 4.mature plant • What are the three parts of a plant? – Root, stem, leaf • What are the functions of the 3 parts? 1. Root: stores food, takes in water and minerals 2. Stem: carries food and water to different parts 3. Leaf: makes food (photosynthesis) • What is chlorophyll? – Makes plants green (pigmentation) • Why do plants change color in the Fall? – They stop making chlorophyll in the Fall
  • 4. Life Science • What makes a coyote howl? – instinct • Spiders spinning a web is an example of an: – Instinct (nobody teaches them how) • Practicing good manners is an example of a: – Learned behavior • Your eye color is an_____from parents. – Inherited trait
  • 5. Life Science • What 2 things make up an ecosystem? – Community of organisms, physical environment (fish in the ocean) • What is a habitat? – A place within an ecosystem where animals live (example: crabs live near the shore of the ocean) • What is a niche? – What a species does in its habitat • Give me an example of a niche. – Bats eat bugs at night, birds eat bugs in the day
  • 6. Life Science • What is an organism? – Any living thing plant or animal • What are producers? – Plants • What is a consumer? – An animal that eats other organisms • What is a 2nd level consumer? – A carnivore (meat eater)
  • 7. Life Science • What do food chains usually start with producers (plants) or consumers (animals)? – Producers (plants) • What is an herbivore, and how do they get their energy? – A plant eating consumer (animal) that gets its energy from plants • What is an omnivore? – An animal that eats both plants and animals(ex. people)
  • 8. Life Science • How do carnivores get their energy? – From the stored plant energy of their prey • The color of this rabbit’s fur is an example of an_______________. – Adaptation (white camouflage)
  • 9. Life Science • What are two adaptations cacti have for life in a dry, hot desert ecosystem? 1. The ability to store a lot of water 2. Its thorns protect it from plant eating animals • What are some ways humans modify their environment to meet their needs? – Building houses, roads, stores, etc. • Give an example of how another animal modifies its environment. – Beavers build dams, birds build nests, etc
  • 10. Life Science • Give some examples of habitats for different animals in an ocean ecosystem. – Clown fish: coral reef – Whales: open ocean – Seals: ocean coast • An animal with sharp long teeth most likely eats: – Other animals (to tear the flesh) • An animal with flat teeth most likely eats: – Plants (to smash the plants)
  • 11. Life Science • What adaptations allow dolphins to survive in their environments? 1. Smooth bodies (fast swimming) 2. Sharp teeth (catching fish) 3. Holes on their backs (coming up for air) • What 4 things do plants need in order to survive: 1. Water 2. Sunlight 3. Carbon Dioxide 4. Soil (minerals)
  • 12. Life Science • In the jungle herbivores would most likely eat: – Leaves from trees • Fill in the blank for the food chain using an appropriate animal: Sun – Plants – Zebra - ____________. – Lions • Why do animals need plants (give 2 reasons)? 1. Plants produce oxygen which animals need 2. Animals (herbivores) need plants for food
  • 13. Life Science • A behavior or a body part that helps organisms survive are called_______. – Adaptations • Name one adaptationadaptation for each of these animals: – Eagles • Sharp beaks to tear apart their prey – Mosquitoes • Needles for mouths to suck blood – Skunks • Stinky spray when they feel threatened – Lizards • Scaly skin to preserve water – Fish • Gills are used to take oxygen from water (H2O)
  • 14. Life Science • Describe the Nitrogen Cycle. 1st The nitrogen gas in the atmosphere is used by bacteria in the soil 2nd Plants use the nitrogen in the soil for food 3rd Animals eat the plants using the nitrogen for protein 4th The animals die, returning the nitrogen back into the soil starting the cycle over again
  • 15. Life Science • The 3 steps of the water cycle are: – 1. Evaporation, 2. Condensation, 3. Precipitation • What is the carbon dioxide-oxygen cycle? 1st Plants take in carbon dioxide and release oxygen into the air (during photosynthesis) 2nd Animals inhale the oxygen and exhale carbon dioxide for the plants starting the cycle all over again
  • 16. Life Science • Describe the rock cycle 1. Igneous rock is formed from hardened magma 2. Sedimentary rock is created by the breaking down of igneous rock into sediment and then cemented together 3. Metamorphic rock is rock that was sedimentary changed by extreme pressure and heat 4. Metamorphic rock can then melt back into the magma starting the cycle all over again – These changes do not always occur in the same order
  • 17. Life Science • Give an example of a decomposer and its role in the life cycle. – Decomposers are consumers (mushrooms) that use tissue of dead organisms for food. • What would happen to the water cycle if there was no sun? – If there was no sun there would be no evaporation – Without evaporation there will be no condensation – Without condensation there will be no precipitation – Without precipitation all plant life would die leading to the death of all animals as well.
  • 18. Life Science • What can we determine from tree rings? – The age of the tree and the history (dry seasons, wet seasons, forest fires) • What does a tree ring look like during a dry season compared to a wet season? – During a dry season the rings are much thinner because the tree doesn’t grow as fast with little water • What are the effects of a forest fire on a forest ecosystem? – The fire would destroy living things and their habitats

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