Unit 2 Topic 1: What Defines a Living Organism?

Multiple Choice

Which of the following best describes the field of ecology?

• The study of how living organisms interact with each other and their environment

• The classification of living organisms

• The study of the physical structure of organisms

• The process of photosynthesis

Multiple Choice

Which of the following is NOT one of the main characteristics of living things?

• Movement

• Respiration

• Photosynthesis

• Excretion

Multiple Select

Which of the following are considered levels of biological organization?

• Cell

• Organism

• Ecosystem

• Molecule

Multiple Choice

What are the three main components that make up the biosphere?

• Hydrosphere, Atmosphere, Lithosphere

• Biosphere, Ecosystem, Community

• Water, Soil, Air

• Organism, Population, Community

Multiple Choice

Which of the following is an abiotic factor in an ecosystem?

• Fungi

• Animals

• Soil

• Plants

Multiple Choice

Which two main factors determine the ecology of biomes?

• Temperature and climate

• Soil and water

• Latitude and longitude

• Wind and precipitation

Multiple Choice

Which of the following best defines an ecosystem?

• A group of animals living together

• All the biotic and abiotic factors in a specific area

• A collection of plants in a garden

• A water body with fish

Multiple Choice

Which of the following is NOT a type of heterotroph?

• Carnivore

• Herbivore

• Autotroph

• Omnivore