1.the smallest and the largest levels of biological organization? III. Ecosystem

IV. Biosphere

A. I and III

B. II and IV

C. I and IV

2. Which of the following has the CORRECT arrangement of levels of

biological organization from largest to smallest?

D. II and III

A. biosphere, ecosystem, community, population, organism, organ system, organ, tissue, cell

B. biosphere, community, ecosystem, population, organism, organ, organ system, tissue, cell

C. cell, tissue, organ, organ system, organism, population, community,

ecosystem, biosphere D. biosphere, population, ecosystem, community, organism, organ system,

organ, tissue, cell

3. How is an ecosystem different from a community?

I. Community larger than ecosystem

II. Community is smaller than the ecosystem. III. Community is composed of living and nonliving things while the

ecosystem is composed of living things only.

IV. Community needs groups of different living things while ecosystem needs

A. II

living things and nonliving things to exist. B. II and IV NAQ

C. III and IV

D. I and IV

4. Palawan has a mangrove forest, an example of tropical rainforest in the Philippines. How do you describe this ecosystem? The area is composed of

A. mangrove trees only

B. mangrove trees, other animals living in it

C. mangrove trees and the humans living in it

D. mangrove trees, all the animals that live in it, water, soil, and sunlight.

5. The Las Piñas-Parañaque Critical Habitat and Ecotourism Area (LPPCHEA) or Las Piñas Parañaque Wetland Park is the first critical habitat in the Philippines located in the Southwest part of Manila Bay. This serves as a sanctuary for the local and migratory birds from Siberia. People from Metro Manila visit the area for bird watching activity. Protecting and conserving this park would lead to the increase in the population of bird species. What is the most practical way to take part in the protection and conservation of this ecosystem level of biological organization?

A. Grow more plants at home.

B. Reduce the use of plastics.

C. Conserve water and electricity.

D. Participate in a clean and drive program for LPPCHEA​