35. Which of the following is a biotic component of an ecosystem?
A. Soil
B. Warm sun
C.Water
D.Worm
36. What abiotic component that is needed by plants and trees to make their own food?
A. Carbon dioxide
B. Soil
C. Oxygen
D. Temperature
37. A cow is grazing on the grass under the heat of the sun. From this statement, which is the
producer?
A. Cow
B. Grass
C. Heat
D. Sun
38. Which of the following best describes the kinds of things that make up an ecosystem?
A. All living things and non-living things
B. Humans and animals
C. Only living things
D. Plants only
39. The following are abiotic components, EXCEPT.

A. heat
B. oxygen
C.Water
D. water lily
40. Which are examples of abiotic components?
A. chair, desk, window, dog
B. dog, cat, frog, tree, wood
C. Dinosaur, paper, pencil
D. plastiC, cup, window, rock
​