Bacteria Growth and Biological Taxonomy

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Questions and Answers

In how many minutes will 1 bacterium grow?

In how many minutes will 1 million bacteria grow?

400

What is the job of a taxonomist?

To organize and classify life

What makes up the Monera Kingdom?

Bacteria Signup and view all the answers

How many types of bacteria are in the Monera Kingdom?

8,000 Signup and view all the answers

What are 3 roles of bacteria?

To decompose dead organic matter, help humans digest, maintain ecological balance on Earth Signup and view all the answers

How many fungi species exist?

75,000 Signup and view all the answers

What is one thing fungi have and one thing they don't have?

Have cell walls, no chloroplast Signup and view all the answers

What is the role of fungi?

To decompose dead organic matter Signup and view all the answers

Write 4 characteristics of the Monera Kingdom.

Most primitive kingdom, unicellular, largest kingdom, decompose dead organic matter Signup and view all the answers

List 3 characteristics of the Protist Kingdom.

Unicellular and multicellular, mostly live in water, eukaryotic Signup and view all the answers

List 3 characteristics of the Fungi Kingdom.

Have cell walls, decompose dead organic matter, eukaryotic Signup and view all the answers

List 4 characteristics of the Plant Kingdom.

Have cell walls, have chloroplasts, use photosynthesis, eukaryotic Signup and view all the answers

List 2 characteristics of the Animal Kingdom.

Can be unicellular or mostly multicellular, eukaryotic Signup and view all the answers

What defines the Animal Kingdom?

Invertebrates and vertebrates, multicellular, no cell walls, obtain energy through respiration Signup and view all the answers

Outline the characteristics of the Plant Kingdom.

Multicellular, have cell walls, obtain energy through photosynthesis Signup and view all the answers

Describe the Fungi Kingdom.

Cells with cell walls but not green and do not carry out photosynthesis Signup and view all the answers

Identify characteristics of the Protist Kingdom.

Some are animal-like, some are plant-like, can be unicellular or multicellular Signup and view all the answers

What defines the Monera Kingdom?

Some photosynthesize while others respire, nuclei are not bounded by membranes Signup and view all the answers

What is the classification of humans?

Homo sapiens Signup and view all the answers

What is autotrophic?

An organism that forms its food from simple organic substances (photosynthesis) Signup and view all the answers

What is heterotrophic?

An organism that feeds on other organisms and non-organic substances for food Signup and view all the answers

What is prokaryotic?

A microscopic single-celled organism that doesn't have a distinct nucleus Signup and view all the answers

What is eukaryotic?

An organism that has a cell or cells with a distinct nucleus Signup and view all the answers

What is unicellular?

A single-celled organism Signup and view all the answers

What is multicellular?

An organism with many cells Signup and view all the answers

What is a cell wall?

A rigid layer protecting the cell Signup and view all the answers

What is the plasma (cell) membrane?

A microscopic membrane that regulates the passage of molecules in and out of the cytoplasm Signup and view all the answers

What is a colony?

A group of the same organism living in the same area Signup and view all the answers

What is binomial nomenclature?

The two-part naming system Signup and view all the answers

List the classification in order.

Kingdom, phylum, class, order, family, genus, species Signup and view all the answers

What does every organism have in its classification group?

Genus and species Signup and view all the answers

The first letter of every genus name is....

Capitalized Signup and view all the answers

The first letter of every species name is....

Lowercase Signup and view all the answers

Why is the understanding of classification an important life skill?

For organizing all animals and kingdoms of life, providing a common language Signup and view all the answers

Describe agar.

A gel-like substance that is a nutrient to bacteria Signup and view all the answers

What is a microorganism?

An organism that cannot be seen with the naked eye; needs a microscope to see it Signup and view all the answers

Name the 5 kingdoms.

Animal, Plant, Monera, Fungi, Protist Signup and view all the answers

Study Notes

Bacteria Growth and Taxonomy

One bacterium grows in 20 minutes, while one million bacteria grow in 400 minutes.
Taxonomists organize and classify life forms, playing a crucial role in biological categorization.

Monera Kingdom Characteristics

Composed solely of bacteria, the Monera Kingdom includes around 8,000 types of bacteria.
Key features: unicellular, largest kingdom, prokaryotic, and involved in decomposing organic matter.

Fungi Kingdom Characteristics

Home to approximately 75,000 species.
Fungi have cell walls, lack chloroplasts, and are eukaryotic organisms.
Their primary role is to decompose dead organic matter.

Protist Kingdom Characteristics

Contains both unicellular and multicellular organisms.
Mostly aquatic and eukaryotic in nature.

Plant Kingdom Characteristics

Plants are multicellular, have cell walls, and use photosynthesis to obtain energy.

Animal Kingdom Characteristics

Comprises both invertebrates and vertebrates, which are multicellular and lack cell walls.
Animals primarily obtain energy through respiration.

Key Definitions

Autotrophic: Organisms that produce their own food, often through photosynthesis.
Heterotrophic: Organisms that feed on other organisms or non-organic substances.
Prokaryotic: Single-celled organisms without a distinct nucleus or specialized organelles.
Eukaryotic: Organisms with cells containing DNA within a distinct nucleus.

Cell Structures

Cell Wall: A rigid layer providing protection to cells.
Plasma (Cell) Membrane: A lipid and protein layer that regulates molecule passage in and out of cells.

Classification System

Organisms are classified in the following order: Kingdom, Phylum, Class, Order, Family, Genus, Species.
Every organism has a genus and species in its classification group; genus names are capitalized while species names are lowercase.

Importance of Classification

Understanding biological classification is essential for effective communication about different life forms and for organizing knowledge of the kingdoms of life.

Agar and Microorganisms

Agar is a gel-like substance that serves as nourishment for bacteria.
Microorganisms are microscopic entities that cannot be seen by the naked eye and require a microscope for observation.

Classification of Organisms

The five kingdoms include: Animal, Plant, Monera, Fungi, and Protist.
The classification scheme ensures a common language for identifying and discussing living organisms.

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Description

Test your knowledge on the growth rates of bacteria and the classification of living organisms across different kingdoms. This quiz will cover key characteristics of the Monera, Fungi, Protist, Plant, and Animal kingdoms, highlighting their unique features and roles in the ecosystem.