1. Everything that is around a lving thing
A) ecosystem
B) habitat
C) environment
D) nature

2. An area in which the main plants are trees
A) forest
B) ecosystem
C) population
D) oak

3. This area provides a population with all its' needs. It includes all of the living and nonliving things.
A) community
B) habitat
C) population
D) environment

4. This type of forest has trees that form seeds in cones.
A) deciduous forest
B) coniferous forest
C) coastal forest
D) tall forest

5. A group of the same kind of living things that live in the same place at the same time
A) environment
B) community
C) kin
D) population

6. This forest grows where there is a lot of rain but temperatures are not too hot or too cold.
A) coastal forest
B) tropical rain forest
C) deciduous forest
D) coniferous forest

7. All of the populations that live in an ecosystem
A) community
B) habitat
C) friends
D) environment

8. This forest is hot and wet all year. There are three layers to this forest and lots of different types of animals live here!
A) tropical rain forest
B) coniferous forest
C) coastal forest
D) deciduous fores

9. In an environment, this is the living and nonliving things that interact with each other.
A) environment
B) ecosystem
C) population
D) community

10. All living things need all BUT which one
A) water
B) rocks
C) food
D) air

11. Nature can change an ecosystem by flood or by.....
A) pave roads
B) cut trees
C) fire
D) build houses

12. Which of these is not a layer of a tropical rainforest?
A) canopy
B) upperstory
C) understory
D) forest floor

13. What happens to deciduous trees after their leaves change color?
A) they grow new leaves
B) they drop their cones
C) they die
D) they drop their leaves

14. Oceans and seas contain
A) rivers
B) fresh water
C) lakes
D) saltwater

15. All of the frogs living in a pond make up a
A) population
B) community
C) ecosystem
D) habitat

16. More types of living things live in __________________ than anywhere else on earth
A) deciduous forests
B) tropical rain forest
C) oceans
D) deserts

17. How much of earth is covered with water?
A) 90%
B) 50%
C) 30%
D) 70%

18. All of these contain fresh water EXCEPT _____________
A) ponds
B) rivers
C) puddles
D) seas

19. All of these contain salt water EXCEPT __________________
A) tide pools
B) seas
C) oceans
D) ponds

20. How are ecosystems able to survive after fires?
A) Habitats cannot be destroyed by fires.
B) Floods always bring water for dead trees
C) Seedss that survive underground become new plants
D) Animals leave and do not return.

21. What part of the cactus holds the water for the plant
A) spiny leaves
B) roots
C) stem
D) the part underground

22. Which ecosystem gets the most rain?
A) coniferous forest
B) deciduous forest
C) desert
D) tropical rain forest

23. What is Earth's largest ecosystem?
A) deserts
B) oceans
C) forests
D) lakes

24. Name one way that the two water ecosystems are alike.
A) both are always deep
B) both are saltwater ecosystems
C) both have zones
D) Both have more animals in areas where the water is warm.

25. Forests are named for the areas in which they grow or for the
A) animals that are found their
B) types of trees that grow there
C) for the country they are found in
D) for the plants found there

26. All forests need a certain amount of
A) insects and water
B) sunshine and cool temperatures
C) water and animals
D) sunshine and rainfall

27. Which ecosystem has very little rainfall?
A) tropical rain forest
B) desert
C) deciduous forest
D) coastal forest

28. Desert animals are active at night because
A) they can smell better
B) it is cooler
C) it is hotter
D) the sun is shining

29. What part of the ocean are you likely to find less salt water
A) on the surface
B) in the middle
C) down deep
D) on the ocean floor

30. Desserts are always hot.
A) false
B) true

31. The ocean has zones. Areas with more sunlight are
A) darker
B) cooler
C) warmer
D) deeper

32. Plants in deep water ___________ on the surface of the ocean
A) don't grow much
B) have roots at the bottom of the ocean
C) float
D) don't need sun

33. Two types of freshwater ecosystems that have moving water are
A) lakes & rivers
B) rivers and streams
C) ponds and seas
D) oceans and streams