TCSS Biology Sample Assessment Items
Unit 5 – Concept 1 Levels of Organization & Community
Interactions
SB4A: Investigate the relationships among organisms, populations, communities, ecosystems,
and biomes.
1. Which sequence shows increasing ecological levels of organization?
a. Organism, population, community, ecosystem
b. Ecosystem, population, organism, community
c. Community, ecosystem, population, organism
d. Population, organism, ecosystem, community
2. Which of the following descriptions about the organization of an ecosystem is correct?
a. Communities make up species, which make up populations.
b. Populations make up species, which make up communities.
c. Species make up communities, which make up populations.
d. Species make up populations, which make up communities
3. The lowest level of environmental complexity that includes living and nonliving factors is the
a. biome.
b. ecosystem.
c. community.
d. biosphere.
3. Which of the following is a biological aspect of an organism’s niche?
a. the water in the area
b. the way it gets food
c. amount of sunlight
d. composition of soil