Populations of a number of species aggregate either because they have the same habitat requirements or because they are developing at the same rate are affected by the same things/

Community Ecology

The effect(s) that two organisms have on each other within a community.

Biological interaction

Microbial ecology is the study of microbial populations, their interactions with one another, and their relationships with their surrounding environment.

Microbial Ecology

Groups of populations of different species that interact with each other.

Georgetown University

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- Atom
- Molecule
- Macromolecule
- Cell
- Tissue
- Organ
- Organ system
- Organism
- Population
- Community
- Ecosystem
- Biosphere / Ecosphere

Traditional Biological Organisation Scheme

A group of organisms that are (1) the same species (2) in a shared geographical area, and (3) able to interbreed

Population (Biology)

Solomon, Eldra P.; Berg, Linda R.; Martin, Diana W. (2002), Biology (6th ed.), Brooks/Cole, ISBN 0-534-39175-3, LCCN 2001095366

Biology by Solomon, Berg, and Martin

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Molecule 

The smallest piece of a chemical element or ordinary matter

Atom

The cell is the fundamental unit of life. While cells vary significantly in size, shape, structure, and function—categorized primarily into prokaryotic and eukaryotic cells—they all share a few fundamental components at their simplest level of construction. The internal structures of a cell are analogous to the organs inside a human body, with unique components suited to specific functions.

Cell

Tissue

A group of tissues with a similar function

Organ

A group of organs that work together to execute one or more functions.

Organ system

Any living thing that functions as a singular entity

Organism 

Community (Biology)

An ecosystem describes the interactions between groups of organisms from all biological domains and nonliving things in a shared geographical space.

Ecosystem

All life on Earth (the sum of all ecosystems on earth)

Biosphere / Ecosphere

There are many types of macromolecules such as: 

- carbohydrates
- lipids
- proteins
- nucleic acids

Types of Macromolecules

Population Ecology deals with the dynamics of the species population, how these populations interact with their surroundings, and how they change over time and space.

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