Choose the letter of the correct answer.

1.Which of the following level of organization of life can be unicellular or multicellular?
a. Atom
b. Cell
c. Ecosystem
d. Molecules

2.Which of the following biome BEST suits the cows?
a. Deserts
b. Grasslands
c. Rainforest
d. Savannah

3.Which of the following is not an organ?
a. Egg cell
b. Heart
c. Lungs
d. Pancreas

4.Which of the following consists of all the biotic components that inhabit the sake area, as well as the nonliving sets of community?
a. Atom
b. Cell
c. Ecosystem
d. Molecules

5. Ozone (Os) is an example of
a. Atom
b. Cell
c. Ecosystem
d. Molecules

6. Fish and other sea creatures are expected to be living in
a. Desert ecosystem
c. Marine ecosystem
b. Grassland ecosystem
d. Terrestrial ecosystem

7. Which of the following pertains to any part of Earth's sphere where
life exists?
a. Asthenosphere
c. Hydrosphere
b. Biosphere
d. Lithosphere

8. White blood cell is known to fight pathogens inside our body. In
what level of organization of life does it belong?
a. Atom
b. Cell c. Ecosystem d. Molecules

9. Which of the following body system is responsible in providing
important nutrients to our body from the food we eat?
a. Circulatory system
c. Integumentary system
b. Digestive system
d. Muscular system

10. What do you call the group of organisms of the same species
occupying a given area?
a. Biome
b. Ecosystem c. Molecule
d. Population​