Intro to Biology: Core Principles and Cell Structure
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Questions and Answers

What is the scientific study of life called?

  • Geology
  • Physics
  • Chemistry
  • Biology (correct)

Which theory states that all living organisms are made up of cells?

  • Gene theory
  • Cell theory (correct)
  • Evolution theory
  • Homeostasis

What type of molecule are carbohydrates, lipids, and proteins?

  • Inorganic molecules
  • Organic molecules (correct)
  • Radioactive molecules
  • Mineral molecules

Which of the following is NOT found in prokaryotic cells?

<p>Nucleus (D)</p> Signup and view all the answers

What is the process of copying DNA called?

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

What is the primary mechanism of adaptive evolution?

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

Which process creates new species?

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

What does biodiversity refer to?

<p>The variety of life (C)</p> Signup and view all the answers

What is the study of classifying and naming organisms?

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

Which domain includes organisms with eukaryotic cells?

<p>Eukarya (D)</p> Signup and view all the answers

What process do plants use to produce their own food?

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

Which of these is NOT a major plant structure?

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

How do animals obtain nutrients?

<p>Consuming other organisms (B)</p> Signup and view all the answers

Which organ system is NOT a major organ system in animals?

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

Ecology is the study of interactions between organisms and their:

<p>Physical environment (D)</p> Signup and view all the answers

What type of cells are bacteria and archaea?

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

Flashcards

What is Biology?

The scientific study of life.

Cell Theory

All living organisms are composed of cells.

Gene Theory

Hereditary information is encoded in DNA and genes.

Evolution Theory

Life evolves over time through natural selection.

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Homeostasis

Living organisms maintain a stable internal environment.

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Cells

Cells are the basic units of life.

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Evolution

Change in the genetic makeup of a population over time.

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Biodiversity

Variety of life at all levels.

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Taxonomy

The science of classifying and naming organisms.

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Ecosystems

Communities of organisms interacting with their physical environment.

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Conservation biology

The study of preserving biodiversity and protecting ecosystems.

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Vascular system (plants)

Xylem and phloem transport water and nutrients throughout the plant.

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Ecology

The study of the interactions between organisms and their environment.

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Population ecology

Population size, density, distribution, and growth.

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Ecosystem ecology

Flow of energy and cycling of nutrients in an ecosystem.

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Microbiology

The study of microorganisms.

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Description

Explore core principles of biology including cell theory, gene theory and evolution. Understand the chemical basis of life with organic molecules and water properties. Learn about cell structures with prokaryotic and eukaryotic cells.

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