Chapter 1 Mixed Test

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Questions and Answers

Which of the following is NOT a characteristic of all living things?

  • They are made up of cells.
  • They obtain nutrients from their environment.
  • They respond to stimuli.
  • They can move independently. (correct)

The sum of all processes happening within an organism is called metabolism.

True (A)

What is the name given to anything that causes a response in an organism?

Stimulus

The process by which organisms produce offspring is called [BLANK].

<p>reproduction</p> Signup and view all the answers

What was the name of the Roman doctor who studied the human body?

<p>Galen</p> Signup and view all the answers

Match the following terms to their respective definitions:

<p>Metabolism = The sum of all processes that occur within an organism Stimulus = A factor that causes a response in an organism Response = A reaction to a stimulus Development = Change in body shape as an organism grows Reproduction = The process by which organisms produce offspring</p> Signup and view all the answers

What profession allowed Galen to observe human internal structures?

<p>Doctor to gladiators (B)</p> Signup and view all the answers

What is an example of development in a frog?

<p>A tadpole losing its tail and developing legs. (B)</p> Signup and view all the answers

Galen believed that the liver was the most important organ in the body because it produced blood.

<p>False (B)</p> Signup and view all the answers

Growth is only about increasing in size.

<p>False (B)</p> Signup and view all the answers

What is a key difference between metabolism in plants and metabolism in animals?

<p>Plants produce their own food through photosynthesis, while animals must consume food for nutrients.</p> Signup and view all the answers

Galen believed that nerves were ______ tubes through which a "life force" flowed.

<p>hollow</p> Signup and view all the answers

Match the following ideas about the body with their corresponding views:

<p>The liver heats the body = Galen's view Nerves transmit electrical impulses = Modern scientific view Blood is circulated throughout the body = Modern scientific view The heart pumps blood = Modern scientific view The 'life force' flows through hollow nerves = Galen's view</p> Signup and view all the answers

According to Galen, what was the purpose of the liver?

<p>To heat the body</p> Signup and view all the answers

Galen's theories about the body were accepted and used by doctors for over fifteen centuries.

<p>True (A)</p> Signup and view all the answers

Which of these is NOT a characteristic of Galen's approach to studying the human body?

<p>Dissecting human corpses legally (A)</p> Signup and view all the answers

What is the process that allows for the continuation of a species despite individual organisms dying?

<p>Reproduction (A)</p> Signup and view all the answers

The idea that living things could arise from non-living matter is called spontaneous generation.

<p>True (A)</p> Signup and view all the answers

What was the main purpose of Francisco Redi's experiment with meat in jars?

<p>To test the idea of spontaneous generation.</p> Signup and view all the answers

Redi's experiment involved leaving one jar ______, another sealed shut, and a third covered with a mesh screen.

<p>open</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Adaptation = A characteristic that allows an organism to survive in its environment Spontaneous Generation = The idea that living things could come from non-living things Reproduction = The process of creating new organisms of the same species.</p> Signup and view all the answers

Redi's experiment proved that spontaneous generation was a valid theory.

<p>False (B)</p> Signup and view all the answers

Describe one example of an adaptation mentioned in the text and explain how it helps the organism survive.

<p>Snowshoe hares growing a white coat of fur in the winter allows them to camouflage with the snowy surroundings, making them less noticeable to predators.</p> Signup and view all the answers

Which of the following is NOT an example of an adaptation?

<p>A monarch butterfly's wings (C)</p> Signup and view all the answers

The process by which organisms produce offspring is called ______.

<p>Reproduction</p> Signup and view all the answers

Which of the following best describes what makes Darwin's finches unique?

<p>They are all different species but have different beak sizes. (A)</p> Signup and view all the answers

Darwin's finches are an example of how similar organisms can have different structures to perform the same function.

<p>True (A)</p> Signup and view all the answers

Match the following finch bill types with their corresponding food sources:

<p>Large, strong bill = Seeds and nuts Long, thin bill = Insects hidden in bark Short, hooked bill = Tree fruit</p> Signup and view all the answers

What is the primary function of flowers?

<p>Reproduction</p> Signup and view all the answers

Which of the following is a function of the skin?

<p>Protecting the body from the external environment (C)</p> Signup and view all the answers

The endocrine system is responsible for producing hormones.

<p>True (A)</p> Signup and view all the answers

What are the two main types of glands found in the skin?

<p>Sweat glands and oil glands</p> Signup and view all the answers

The ______ is a structure in the skin that helps regulate body temperature.

<p>sweat gland</p> Signup and view all the answers

Match the following structures to their correct functions:

<p>Skin = Protects the body, senses pressure and temperature Hair = Provides insulation and protection Sweat glands = Regulate body temperature Blood vessels = Transport blood and nutrients to the skin</p> Signup and view all the answers

What is the primary function of the integumentary system?

<p>Protecting the body from the environment (D)</p> Signup and view all the answers

The integumentary system is responsible for generating energy for the body.

<p>False (B)</p> Signup and view all the answers

Why are organs grouped together into organ systems?

<p>Organ systems work together to perform complex functions that individual organs could not achieve alone.</p> Signup and view all the answers

What is the primary function of spiracles in insects?

<p>To allow for gas exchange (D)</p> Signup and view all the answers

All living organisms have the same structures for carrying out essential functions like breathing and movement.

<p>False (B)</p> Signup and view all the answers

How do insects adjust the amount of air entering their bodies?

<p>Insects adjust the size of their spiracles, which are small openings in the sides of their abdomens.</p> Signup and view all the answers

The specific task that a structure performs is called its ______.

<p>function</p> Signup and view all the answers

Match the following organisms with their primary method of movement:

<p>Dolphin = Swimming Tree = Immobile Beetle = Flying Tiger = Walking/Running</p> Signup and view all the answers

Which of the following is NOT a function that living organisms must perform to survive?

<p>Photosynthesis (C)</p> Signup and view all the answers

A fish's scales are considered living tissue.

<p>False (B)</p> Signup and view all the answers

Give an example of an adaptation that helps a fish survive in water.

<p>Examples include: Fins for swimming, gills for breathing underwater, streamlined shape to reduce water resistance.</p> Signup and view all the answers

Flashcards

Nutrients

Substances that provide energy and materials for growth, development, and reproduction.

Metabolism

The sum of all chemical processes in an organism that create and use energy.

Stimulus

Anything that causes a response in an organism.

Response

A reaction to a stimulus, such as jumping away from danger.

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Growth

An increase in size or change in structure of an organism over time.

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Development

A process where organisms undergo changes, often in structure and form.

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Reproduction

The process by which living things produce offspring.

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Balance of processes

A state where energy-using and energy-creating processes are equal in an organism.

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Galen

A Roman doctor who studied internal body structures.

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Roman Gladiators

Fighters in ancient Rome who often sustained severe injuries.

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Blood Flow Observation

Galen studied how blood circulated through injuries.

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Life Force

Galen believed blood carried a life energy through hollow tubes.

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Liver Importance

Galen thought the liver was the body's key organ for heating.

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Scientific Acceptance

Galen’s theories were widely accepted until the 16th century.

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Major Nerves Mapping

Galen mapped out nerves but misunderstood their function.

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Galen's Bizarre Ideas

Many of Galen's theories are now considered incorrect or odd.

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Darwin's Finches

13 closely related bird species from the Galapagos Islands discovered by Charles Darwin.

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Bill Structure Variations

Different shapes of bird bills adapted for specific feeding functions.

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Function of Feeding

The main role of an organism's feeding structure to gather food.

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Spontaneous Generation

The outdated theory that living things can arise from non-living matter.

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Francisco Redi

Italian doctor who disproved spontaneous generation with his experiments in the 1600s.

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Adaptation

Changes in an organism's structures that improve survival in a specific environment.

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Redi's Experiment

Test where meat was kept in open, sealed, and screened jars to study maggot appearance.

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Island Organisms

Species that often show distinct variations due to isolated living conditions, like those on islands.

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Galapagos Islands

A remote archipelago off South America, known for diverse species and Darwin's studies.

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Adaptation

A trait that enhances an organism's ability to thrive in its environment.

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Snowshoe Hare's Fur

A seasonal change in coat color that helps the hare blend into snowy environments.

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Marine Iguanas

A unique species of iguana found in the Galapagos, adapted for marine life.

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Functions for Survival

Essential processes an organism must perform to stay alive, like feeding, breathing, and reproduction.

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Cactus Adaptation

Spines on cacti serve to deter animals from eating them.

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Mountain Goat

An animal adapted with specialized feet for climbing steep terrains.

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Characteristics of Living Things

Traits common to all living organisms, like reproduction and growth.

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Adaptations of Fish

Features that enable fish to survive in water, like gills and fins.

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Function of Structures

Specific tasks performed by parts of organisms, like gathering food or breathing.

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Spiracles

Small openings in insects for gas exchange and breathing regulation.

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Survival Functions

Basic activities organisms must perform to remain alive, such as eating and moving.

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Movement in Animals

Ability of animals to change location or position to find food or escape threats.

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Gas Exchange in Plants

Process by which plants take in carbon dioxide and release oxygen.

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Organism Function Table

A comparative table mapping organisms to their structures and functions for survival.

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Integumentary System

A system of organs that includes skin, hair, and nails, protecting the body and sensing external stimuli.

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Function of Skin

Protects internal body environment, senses pain, pressure, and temperature.

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Role of Hair

Provides insulation and protects the skin; can sense touch.

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Sweat Gland Function

Regulates body temperature through sweat secretion.

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Structure and Function

Structure refers to how something is built, whereas function is how it works.

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Organ Systems

Groups of organs that work together to perform complex functions for the body.

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Homeostasis

The ability of an organism to maintain a stable internal environment despite changes.

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Study Notes

Galen's Observations of the Human Body

  • Galen, a Roman physician, observed internal body structures and developed ideas about how the human body worked
  • He was a keen observer of the natural world
  • Galen worked as a doctor for gladiators, allowing him to observe wounds and internal organs
  • This provided him with opportunities to study how blood flowed
  • Galen's observations led to important discoveries, though some of his ideas seemed unusual in modern times.

Galen's Ideas (Disproven)

  • Galen believed nerves were hollow tubes carrying a "life force"
  • He thought the liver was the most important organ, heating the body
  • These ideas were accepted for centuries but are not considered accurate today.

Living Things Characteristics

  • Scientists identify six characteristics in living things: made of cells, need energy, grow and develop, respond to environment, reproduce, and have adaptations
  • All living things (organisms) possess these traits
  • Non-living things may have some of these characteristics, but not all

Adaptations

  • Adaptations are traits that help organisms survive in their environment
  • Example: Snowshoe hares have white fur in winter to blend in with their surroundings, a camouflage adaptation
  • Organisms can have numerous adaptations depending on their environment and function

Structures and Functions

  • Living organisms have structures that perform particular functions—the structure is important to the function.
  • Example: Plants use leaves to gather food and carry out respiration; different animals have different structures for gathering food
  • Structures can vary greatly between organisms despite fulfilling similar functions.
  • Example: Birds, whales, and humans all have to move, but their structures are uniquely adapted to their environment, allowing different ways to move (flight, swimming, walking)

Organ Systems

  • The human body (and other organisms) have organ systems—working together to complete functions (e.g., digestion)
  • Organ systems include circulatory, respiratory, digestive, nervous, excretory, skeletal, muscular, and integumentary
  • Each system has specific structures (e.g., heart, lungs, stomach, brain) that perform unique tasks.

Spontaneous Generation

  • The idea that living organisms can arise from non-living materials
  • Redi's experiment disproved spontaneous generation with controlled experiments showing that organisms did not arise from non-living things, but came from other organisms

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