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Cell | Definition, Types, Functions, Diagram, Division, Theory,
https://www.britannica.com/science/cell-biology
WEB4 days ago · Cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell may be a complete organism in itself, such as a bacterium, or it may acquire a specialized function, becoming a building block of a multicellular organism.
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Meiosis Definition, Diagram, Steps, and Function
https://sciencenotes.org/meiosis-definition-diagram-steps-and-function/
WEBOct 21, 2023 · In biology, meiosis is the process where a cell replicates DNA once but divides twice, producing four cells that have half the genetic information of the original cell. It is how organisms produce gametes or sex cells, which are eggs in females and sperm in males.
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Cladogram - Definition and Examples | Biology Dictionary
https://biologydictionary.net/cladogram/
WEBApr 28, 2017 · A cladogram is a diagram used to represent a hypothetical relationship between groups of animals, called a phylogeny. A cladogram is used by a scientist studying phylogenetic systematics to visualize the groups of organisms being compared, how they are related, and their most common ancestors.
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Structure of a cell | Biology library | Science | Khan Academy
https://www.khanacademy.org/science/biology/structure-of-a-cell
WEBExtracellular structures and cell-cell junctions. We've spent a lot of time looking at what's inside a cell. But what about the stuff on the outside? Here, we'll look at the extracellular matrix of animal cells and the cell wall of plant cells, as …
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Aerobic Respiration Definition, Diagram, and Steps
https://sciencenotes.org/aerobic-respiration-definition-diagram-and-steps/
WEBOct 8, 2023 · Aerobic Respiration Definition. Aerobic respiration is a cellular process in the cell uses oxygen to metabolize glucose and produce energy in the form of adenosine triphosphate ( ATP ). It is the most efficient form of cellular respiration and is utilized by most eukaryotic organisms.
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Phylogenetic trees | Evolutionary tree (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/natural-selection/phylogeny/a/phylogenetic-trees
WEBKey points: A phylogenetic tree is a diagram that represents evolutionary relationships among organisms. Phylogenetic trees are hypotheses, not definitive facts. The pattern of branching in a phylogenetic tree reflects how species or other groups evolved from a series of common ancestors.
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Tissues, organs, & organ systems (article) | Khan Academy
https://www.khanacademy.org/science/biology/principles-of-physiology/body-structure-and-homeostasis/a/tissues-organs-organ-systems
WEBKey points. Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.
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Mitosis | Definition, Stages, Diagram, & Facts | Britannica
https://www.britannica.com/science/mitosis
WEBMar. 29, 2024, 5:31 AM ET (News-Medical) Cells' built-in stopwatch safeguards mitosis. Top Questions. What is mitosis? How are mitosis and meiosis different? Why is mitosis important to organisms? Divide into four phases the reproduction process of chromosomes in plant and animal cells.
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1.1: Themes and Concepts of Biology - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Concepts_in_Biology_(OpenStax)/01%3A_Introduction_to_Biology/1.01%3A_Themes_and_Concepts_of_Biology
WEBSep 21, 2021 · A diagram called a phylogenetic tree can be used to show evolutionary relationships among organisms. Biology is very broad and includes many branches and sub disciplines. Examples include molecular biology, microbiology, neurobiology, zoology, and botany, among others.
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Chloroplast Function, Definition, and Diagram - Science Notes …
https://sciencenotes.org/chloroplast-function-definition-and-diagram/
WEBJan 29, 2024 · Chloroplast Definition. A chloroplast is a type of organelle known as a plastid, predominantly found in plant cells and algae. It is the site of photosynthesis, a process where light energy is converted into chemical energy, fueling the …
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