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Benchmark Review

Benchmark Review. Please USE Your Science Strategies. Circle key words and write above their definition. Increase—get bigger Decrease—get smaller Identify the variables in pictures!!!! Check the items that are alike and circle the items that are DIFFERENT. (the variable)

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Benchmark Review

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  1. Benchmark Review

  2. Please USE Your Science Strategies

  3. Circle key words and write above their definition. Increase—get bigger Decrease—get smaller • Identify the variables in pictures!!!! Check the items that are alike and circle the items that are DIFFERENT. (the variable) • Always read directions above pictures!!! TWICE!!! • Lastly, -describe why you chose your answer!

  4. NOW LETS REVIEW

  5. Ecosystems

  6. Population • Individuals of the same kind living in the same environment – more than one of the same kind of animal • Example: a herd of zebras

  7. Community • All the populations of organisms living together in an environment • Example: herd of zebras, or a group of gorillas

  8. Niche • The certain role a population has in its habitat – it’s occupation or job • Example: Both the owl and eagle hunt mice, they have different niches – the eagle hunts during the day, the owl at night • What do we call hunters like this? PREDATORS

  9. Adaptations • An adaptation is something an organism has or does that helps it survive in its environment. • For instance, an artic fox has white fur to camouflage itself, small ears to conserve heat and thick hair. • Talons help a hawk catch a mouse. • Feathers help keep birds warm and help them fly. • Hollow bones make a bird especially light for flying.

  10. Plants also have adaptations….. • Rose bushes have thorns to help protect them from plant-eating animals. • Tendrils on a vine attach to a tree to help a vine reach sunlight. • Needles on an evergreen tree are covered in sap and are thin to help the tree conserve water.

  11. Food Chains and Food Webs • Remember, the arrow is pointing to the organism that is doing the eating. • Example: -------> -------> This means that grass is eaten BY the mouse and the mouse is eaten BY the snake!

  12. Don’t Forget……. • Plants are PRODUCERS because they make their own food. (This process, making their own food, takes place inside the plant’s leaves. We call this… PHOTOSYNTHESIS!!!) • An animal gets food and energy by eating other organisms---this is called a CONSUMER.

  13. Types of Consumers: • Herbivores- only eat plants Grasshoppers, rabbits, & cows • Carnivores- only eat meat snakes, eagles, & wolves • Omnivores- eat both plants & meat humans, raccoons

  14. Behaviors Learned behavior-the organism learns from its parents how to do something. EX: Lions learn hunting skills from other lions. Animals learn to come closer when food is around---this is also a learned behavior. • Adaptive behavior- Such as, a beaver building a dam for shelter or humans building a home.

  15. METAMORPHOSIS • Can you name an animal that goes through metamorphosis?

  16. Metamorphosis A change in the shape or characteristics of an organism’s body as it grows

  17. Gymnosperms Have seeds in a cone that are unprotected

  18. Angiosperm Have monocot or dicot seeds, flowers, and the seeds are protected in fruit

  19. GOOD LUCK!!!

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