What is Biology? Bio = life Logy = study of. What do Biologists do? Study the Diversity of Life...
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Transcript of What is Biology? Bio = life Logy = study of. What do Biologists do? Study the Diversity of Life...
![Page 1: What is Biology? Bio = life Logy = study of. What do Biologists do? Study the Diversity of Life Research Diseases Develop Technologies Improve Agriculture.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649ee75503460f94bf7ecb/html5/thumbnails/1.jpg)
What is Biology?
Bio = lifeLogy = study of
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What do Biologists do?
• Study the Diversity of Life• Research Diseases• Develop Technologies• Improve Agriculture• Preserve the Environment
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Cells
Basic unit of life and structure of all living things
Organisms can either be multicellular or
unicellular
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Cells – Unicellular
• Called PROKARYOTES-all are single celled
• Unicellular – the organisms entire body consists of just a single cell
• DNA is not contained in a nucleus- everything is in the cell together
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Cells - Multicellular
• Called EUKARYOTES- most are multicellular
• Multicellular – organism is made up of many cells. (humans)
• Differentiation:Cells have certain functions in the organism
• Has a nucleus
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Tissues
• Many cells of the same kind working together to perform a certain function
Ex: muscle cells – all work together to make muscle tissue
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Organs
• Two or more tissues working together to perform a specific function.
• Nerve tissues and smooth muscle tissues work together to form your heart.
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Organ Systems
• Two or more organs working together to perform a specific function.
• Ex. – digestive, respiratory, reproductive systems
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Organisms (multicellular)• One individual is considered an Organism
• Ex – humans, dogs, frogs
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Populations
• Group of individual organisms of the same species living in a particular area.
• Ex: A pride of lions
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Community
• Interacting of two or more populations that inhabit a particular area.
• Ex: zebras and wildebeests at the watering hole
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Ecosystem
• Where many different communities interact and live with each other.
• Example: Desert, Forest, Mountains
• Two factors associated with ecosystems;– Abiotic – nonliving– Biotic - living
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Biosphere
• Consist of all parts of the planet.
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Complete Flow Chart of Biology!
• On a piece of paper…• Create a flow chart using the vocab we
learned today • Start with CELL and end with
BIOSPHERE• Draw a picture under each term that
represents that level. You need two examples for each level except Biosphere.
• Make it colorful and aesthetically pleasing.