Introduction to Ecology Quiz

What is the primary focus of ecology?

• The study of human anatomy

• The study of chemical reactions in cells

• The study of ancient civilizations

• The study of relationships between organisms and their environments

Which of the following is NOT a characteristic of life?

• Having a metabolism

• Being composed of cells

• Inability to reproduce

• Having DNA or RNA

How do organisms maintain homeostasis?

• By consuming large amounts of food

• By responding to external stimuli

• By evolving rapidly

• By reproducing asexually

What is the correct order of ecological organization from smallest to largest?

• Ecosystem, Community, Population, Organism

• Organism, Population, Community, Ecosystem

• Population, Organism, Ecosystem, Community

• Community, Population, Organism, Ecosystem

What defines a biome?

• A group of organisms of the same species

• Multiple ecosystems with similar characteristics

• A single species living in an area

• A single ecosystem with unique characteristics

What is biodiversity?

• The number of species in a single population

• The variety of organisms at all levels of ecological organization

• The genetic similarity among organisms in a community

• The variety of ecosystems in a biome

What is the purpose of taxonomy?

• To classify organisms based on shared characteristics

• To determine the age of fossils

• To study the chemical reactions in organisms

• To measure the size of populations

What is binomial nomenclature?

• A method for measuring biodiversity

• A tool for creating cladograms

• A two-name system for identifying organisms

• A system for classifying ecosystems

What is a cladogram used for?

• Measuring the size of populations

• Showing the relatedness of organisms

• Identifying organisms based on their characteristics

• Showing the evolutionary history of organisms

How does a dichotomous key help in identifying organisms?

• By classifying ecosystems

• By measuring genetic material

• By providing a step-by-step guide based on characteristics

• By showing ancestral relationships