LEVELS OF BIOLOGICAL ORGANIZATION

Question 1: Which of the following represents the correct sequence of levels of biological organization, from smallest to largest?

• A. Cell, tissue, organ, organism, community

• B. Molecule, cell, organ, organism, biosphere

• C. Cell, organism, population, community, biosphere

• D. Molecule, tissue, organ, ecosystem, biosphere

Question 2: At which level of biological organization does a group of similar cells work together to perform a specific function?

• A. Organ

• B. Tissue

• C. Cell

• D. Population

Tags

NGSS.MS-LS1-3

Question 3: How do populations and communities differ?
Options:

• A. Populations include multiple species, while communities are a single species.

• B. Communities include multiple species, while populations are a single species.

• C. Populations and communities are identical in structure.

• D. Communities include ecosystems, while populations do not.

uestion 4: Examine the image below. Which level of biological organization does this diagram primarily represent?

(Embed an image of a leaf showing cells, tissues, and veins.)

• A. Organ

• B. Cell

• C. Organism

• D. Tissue

Tags

NGSS.MS-LS1-2

Question 5: A researcher is studying the interactions between rabbits, foxes, and grass in a meadow. Which level of biological organization is this study focused on?

• A. Population

• B. Community

• C. Ecosystem

• D. Organism

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Question 6: Watch the video about aquatic ecosystems. Based on the video, which level of biological organization does the coral reef represent?

• A. Population

• B. Organism

• C. Community

• D. Ecosystem

Tags

NGSS.MS-LS2-2

Question 7: A sudden drop in the bee population affects the flowering plants in a forest. This interaction occurs at which level of biological organization?

• A. Population

• B. Community

• C. Ecosystem

• D. Organ

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Question 8: A biologist studies the distribution of oxygen and nutrients between cells in a plant leaf. What level of biological organization does this describe?

• A. Molecule

• B. Cell

• C. Tissue

• D. Organ

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-3

Question 9: If an ecosystem loses its top predator, what is the most likely consequence for the community?

• A. Herbivore populations will decrease.

• B. Biodiversity will remain unchanged.

• C. Some species may overpopulate and disrupt the balance.

• D. New predators will evolve to replace the lost species.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

uestion 10: A farmer notices that removing weeds leads to soil erosion and loss of nutrients. What does this imply about the weeds’ role in the ecosystem?

• A. Weeds have no impact on the ecosystem.

• B. Weeds support soil health and stability.

• C. Weeds consume all the nutrients, harming the ecosystem.

• D. Weeds are part of the population level only.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-5