The document appears to be a student's booklet on ecosystems and rainforests. It includes sections on different types of rainforests, plants and animals that live in tropical rainforests, and interactions between living and nonliving things in an ecosystem. Diagrams show various species that live in a pond ecosystem, including their feeding relationships and dependencies. The booklet also addresses why there are more people living in Dalian than Greenland and how plants, animals, and humans compete with each other for resources.

1. Ho-Jun LeeScience7Ecosystem booklet

2. Table of ContentsBiomes-rain forest biomeInteractions in ecosystemEcosystem-interactions of many speciesWhy are there more people living in Dalian than Greenland?

3. Rainforest biome

4. RainforestsThere are many different types of rain forests. They can grow on mountains, seacoasts, plains, or in river valleys. They are different from each other. One difference is how much rain falls in a year. Another is the average temperature. The plants and animals which live in each type of rain forest can be different too.

5. Types of rainforestsThere are two types of Rainforest, the temperate and the tropical. Tropical rainforests are found close to the equator. Temperate rainforests are found along coasts in the temperate zone, such as the Pacific Northwest of the USA. Both are endangered. Tropical!!

6. gTropical rainforest-PlantsI want to discuss about tropical rain forest.The tropical rain forest is the richest source of plant life on earth.There are so many different kinds of plants there, scientists don't even know them all yet.It is a perfect place for growing plants. The average temperature is 70 to 90 degrees and there is plenty of water.

7. Tropical rainforest-AnimalsBillions of animals, birds, and insects live in the tropical rainforest. These living things love to live in this environment. It is because they can find all the food they need to live. They can also find the kind of habitat they need to make a safe home and raise their young.

8. Animals living in tropical rainforest

9. Interactions Between Living and NonlivingGrasses get energy from the sunHawks eat the snake to liveGrass hoppers are being eaten by snakes Grasses serve as food to animalsFungi from hawks wastes give nutrients to the grassesGrasses need water in order to growThe hawks excrete waste and become fertilizer to plants

10. WHY ARE RAINFORESTS IMPORTANT? Rainforests are important to the global ecosystem. Rainforests:provide a home to many plants & animalshelp stabilize the world's climateprotect against flood, drought, & mudslidesare a source for medicines and foodssupport tribal peopleand are an interesting place to visit

11. ALSO,Rainforests provide the humankind with pleasant thing for survival and well being, including food, clothing, fuel, products of industrial use, and even cure for sickness.The loss of rainforests caused a very strong and serious problem.

12. Interactions in Ecosystems

13. Pictures of things in school playground

14. snailSnail is moving around on the wall.

15. AntsAnts are eating something on the floor.

16. Pictures about things around my house

17. ???Something came to our toilet to live. I think this is right because I sea him many time in the toilet.

18. CatA cat always come to our house when we are having door open for dinner with meat. It can smell the meat very easily.

19. EcosystemsInteraction of many species.Ho-Jun Lee

20. Different SpeciesWood peckerRavenWood duckCintealduckChicken turtleDragon flyraccoonfrogbirdmuskratmosquitoeggsTadpolesfishescloverCrayfishwormturtleplankton

21. SpeciesRavenCinteal duckWood duckWood peckersRaccoonBirdMosquitoWormplanktonCrayfishTurtleEggsFishesCloversTadpolesFrogsMuskratDragon flyChicken turtle

22. CommunitiesRavenCinteal duckWood duckWood peckersRaccoonBirdMosquitoWormplanktonCrayfish

23. Turtle

24. Eggs

25. Fishes

26. Clovers

27. Tadpoles

28. Frogs

29. Muskrat

30. Dragon fly

31. Chicken turtlePopulationsRavenCinteal duckWood duckWood peckersRaccoonBirdMosquitoWormplanktonCrayfish

32. Turtle

33. Eggs

34. Fishes

35. Clovers

36. Tadpoles

37. Frogs

38. Muskrat

39. Dragon fly

40. Chicken turtleRavensRavens eat bugs and eat some meat. They can eat some dragon flies and some rats.

41. Chicken turtlesChicken turtle is a cold blooded reptileIt eats some other fishes

42. Dragon fliesDragonflies eat some mosquitoes.It like to seat on some grasses

43. MuskratsRats like to eat anything. They eat some grasses, tadpoles and stems of some flowers

44. Frogs eat some bugs such as dragonflies. They also eat some plankton. Frogs

45. HerbsHerbs absorb water and get sunlight to live