Biology ยท Science General
Diversity in Living Organisms
3,829 Questions
The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.
Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification
Diversity in Living Organisms Questions
Which of the following is a characteristic of all vertebrates?
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They have a backbone.
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They have a closed circulatory system.
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They have a muscular system.
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They have a nervous system.
A
Correct answer
Explanation
The defining characteristic of vertebrates is that they have a backbone.
Which of the following is a characteristic of all mammals?
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They have fur or hair.
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They give birth to live young.
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They produce milk to feed their young.
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They have a diaphragm.
A
Correct answer
Explanation
The defining characteristic of mammals is that they have fur or hair.
Which of the following is a characteristic of all birds?
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They have feathers.
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They lay eggs.
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They have a beak.
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They have a crop.
A
Correct answer
Explanation
The defining characteristic of birds is that they have feathers.
Which of the following is an example of a social behavior in reptiles?
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Basking behavior
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Territorial behavior
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Courtship rituals
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All of the above
D
Correct answer
Explanation
Reptiles exhibit a variety of social behaviors, including basking behavior, territorial behavior, courtship rituals, and complex communication systems.
Which of the following is a characteristic of desert soil fauna?
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High diversity and abundance
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Dominance of burrowing animals
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Adaptation to extreme temperatures and water scarcity
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Absence of soil microorganisms
C
Correct answer
Explanation
Desert soil fauna are adapted to extreme temperatures and water scarcity, exhibiting unique survival strategies.
Which of the following is an example of appeasement behavior in animals that do not live in social groups?
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A deer licking its lips
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A bird fluffing its feathers
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A fish swimming in a zigzag pattern
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All of the above
D
Correct answer
Explanation
Licking its lips, fluffing its feathers, and swimming in a zigzag pattern are all examples of appeasement behavior in animals that do not live in social groups. Appeasement behavior is a common strategy for animals to calm down other animals and avoid conflict.
Which polar bear adaptation allows it to swim long distances in freezing water?
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A thick layer of blubber
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Webbed feet
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A long, streamlined body
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A dense coat of fur
A
Correct answer
Explanation
Polar bears have a thick layer of blubber that insulates them and helps them stay buoyant in water.
Which adaptation helps Arctic foxes survive in the extreme cold?
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A thick layer of fur
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Large ears
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A long tail
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Short legs
A
Correct answer
Explanation
Arctic foxes have a thick layer of fur that insulates them and helps them retain heat.
Which adaptation helps walruses survive in the Arctic environment?
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Tusks
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A thick layer of blubber
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Webbed feet
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A long, streamlined body
B
Correct answer
Explanation
Walruses have a thick layer of blubber that insulates them and helps them stay warm in the cold Arctic waters.
Which adaptation helps narwhals survive in the Arctic environment?
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A long, spiral tusk
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A thick layer of blubber
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Webbed feet
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A long, streamlined body
A
Correct answer
Explanation
Narwhals have a long, spiral tusk that they use for hunting, navigation, and social interactions.
Which adaptation helps emperor penguins survive in the extreme cold of Antarctica?
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A thick layer of feathers
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Webbed feet
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A long, streamlined body
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A dense layer of blubber
A
Correct answer
Explanation
Emperor penguins have a thick layer of feathers that insulates them and helps them retain heat in the extreme cold.
Which adaptation helps Adelie penguins survive in the harsh conditions of Antarctica?
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A thick layer of feathers
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Webbed feet
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A long, streamlined body
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A dense layer of blubber
B
Correct answer
Explanation
Adelie penguins have webbed feet that help them swim and navigate through the icy waters of Antarctica.
Which adaptation helps Arctic hares survive in the cold and snowy environment?
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A thick layer of fur
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Large ears
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A long tail
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Short legs
A
Correct answer
Explanation
Arctic hares have a thick layer of fur that insulates them and helps them retain heat in the cold Arctic environment.
Which adaptation helps snowy owls survive in the harsh conditions of the Arctic?
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A thick layer of feathers
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Large eyes
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A long tail
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Sharp talons
A
Correct answer
Explanation
Snowy owls have a thick layer of feathers that insulates them and helps them retain heat in the cold Arctic environment.
What is the concept of microbial agency?
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Microbial agency refers to the ability of microbes to make decisions and act independently
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Microbial agency refers to the ability of microbes to interact with their environment and respond to stimuli
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Microbial agency refers to the ability of microbes to cause disease
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Microbial agency is a controversial concept and there is no consensus on its definition
B
Correct answer
Explanation
Microbial agency refers to the ability of microbes to interact with their environment and respond to stimuli, such as changes in nutrient availability or the presence of other organisms.