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Characteristics of Living Organisms

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Questions and Answers

What is the term for the ability to detect and respond to changes in the internal or external environment?

Growth

Respiration

Sensitivity (correct)

Movement

What is the purpose of excretion in living organisms?

To obtain energy

To remove waste products (correct)

To respond to stimuli

To grow and develop

What is the sequence of classification in the classification system?

Phylum → Classes → Orders → Families → Genus → Kingdom → Species

Kingdom → Phylum → Classes → Orders → Families → Genus → Species (correct)

Classes → Orders → Families → Genus → Species → Phylum → Kingdom

Species → Genus → Families → Orders → Classes → Phylum → Kingdom

What is the format of the Binomial System of Naming Species?

Genus species Signup and view all the answers

Why do scientists use DNA base sequence in classification?

To show the evolutionary relationships between organisms Signup and view all the answers

What is the term for the chemical reactions in cells that break down nutrient molecules and release energy for metabolism?

Respiration Signup and view all the answers

What is the primary purpose of a dichotomous key?

To classify organisms based on visible features Signup and view all the answers

Which characteristic is common to all animals?

Multicellular with no cell walls or chloroplasts Signup and view all the answers

What is the primary characteristic that distinguishes mammals from other vertebrates?

Mammary glands Signup and view all the answers

Which group of organisms is characterized by the presence of an exoskeleton, jointed legs, and a segmented body?

Arthropods Signup and view all the answers

What is the primary characteristic that distinguishes arachnids from crustaceans?

Number of pairs of legs Signup and view all the answers

Which kingdom of organisms includes amoeba and seaweed?

Protist or Protoctist Signup and view all the answers