CH. 2 Vocabulary Crossword

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Across
  1. 3. A warm grassland with scattered trees, often found in Africa.
  2. 5. A large area of Earth with its own climate, soil, and living things, like a desert or rainforest.
  3. 6. The way water moves through the environment — by evaporating, forming clouds, falling as rain or snow, and collecting in rivers and oceans is called the water ____ .
  4. 11. A _____species is the first living things, like mosses or lichens, to grow in a place where no life was before.
  5. 12. When water falls from the clouds as rain, snow, sleet, or hail.
  6. 13. When animals or plants move from one place to another, like seeds blowing in the wind or birds flying to new places.
  7. 15. A plant or animal that has always lived in a certain place — it wasn’t brought there by people is a ____species.
  8. 17. Ground that stays frozen all year under the surface of the tundra.
  9. 19. The study of where animals and plants live and why they live there.
  10. 22. The ____ zone is part of the ocean that’s close to the shore and not too deep — where lots of sea life lives.
  11. 23. A large open area covered mostly with grass and few trees.
  12. 24. The lower layer of a forest, under the canopy, with small trees and shrubs.
  13. 25. A food ___ is a path that shows how energy moves from one living thing to another when one eats another.
  14. 26. When life starts in a place with no soil, like after a volcano erupts is _____succession.
Down
  1. 1. When the sun heats up water and turns it into vapor (a gas), which rises into the air.
  2. 2. When water vapor in the air cools down and turns back into liquid, forming clouds.
  3. 4. The top layer of leaves and branches in a forest, formed by tall trees.
  4. 7. The usual weather a place has over a long time, like how warm or rainy it is.
  5. 8. The natural way an environment slowly changes over time and new plants and animals move in.
  6. 9. A very dry place with little rain and few plants.
  7. 10. When plants and animals return to a place where they lived before but something like a fire or flood cleared them out is ____succession.
  8. 14. An energy ___ picture that shows how much energy each group of living things gets from food in an ecosystem.
  9. 16. A food ___ group of connected food chains that shows how energy moves through many different animals and plants in an ecosystem.
  10. 18. A cold place with no trees, frozen ground, and short plants like mosses.
  11. 20. The ____ zone is an area on the shore that’s underwater at high tide and exposed at low tide.
  12. 21. Where a river meets the ocean, and freshwater mixes with saltwater.