Ecology and Biology Concepts Quiz

Which type of organism synthesizes its own food using light energy?

• photoautotroph

• detritivore

• decomposer

• heterotroph

What term describes the role or position that an organism has in its environment?

• trophic level

• population

• biomass

• niche

Which experiment simulated early Earth conditions to test the origin of life hypotheses?

• RNA hypothesis

• miller urey

• bubble hypothesis

• oparin haldane

What type of relationship involves two species living closely together, often with mutual benefit?

• taxonomy

• cladistics

• adaptations for survival

• symbiotic relationships

Which organisms break down dead organic material but do not ingest it?

• decomposer

• heterotroph

• specialist

• chemoautotroph

What process do plants use to convert sunlight into chemical energy?

• Photosynthesis

• Respiration

• Fermentation

• Transpiration

Which ecological interaction occurs when one organism consumes another organism?

• Mutualism

• Predation

• Competition

• Parasitism

Which cycle describes the movement of water from the Earth's surface to the atmosphere and back?

• Carbon cycle

• Nitrogen cycle

• Hydrologic cycle

• Phosphorus cycle

What process involves the transfer of pollen from an anther to a stigma in plants?

• Germination

• Pollination

• Fertilization

• Photosynthesis

Which type of symbiosis benefits one organism without harming the other?

• Mutualism

• Commensalism

• Parasitism

• Amensalism