By CK-12 Foundation
CK-12 Foundation's existence technological know-how for center college FlexBook covers the subsequent chapters:Studying existence- Nature of technology: medical strategy. instruments utilized in technological know-how and defense in research.Introduction to residing Organisms- what they're, what they're made up of, and class. Introduces carbs, lipids, proteins, and nucleic acids.Cells and Their constructions- what they're, what they're made up of, organelles and eukaryotic vs. prokaryotic.Cell capabilities- energetic delivery, passive delivery, photosynthesis, and mobile respirationCell department, copy, and DNA- mitosis, meiosis, DNA, RNA, and protein synthesisGenetics- Mendel’s peas to gene therapy.Evolution- Darwin’s normal choice, heritage of existence and proof of evolution.Prokaryotes- homes and characteristicsProtists and Fungi- houses, features, replica and metabolismPlants- nonvascular & vascular, gymnosperms & amniosperms and hormones/tropismsIntroduction to Invertebrates- sponges, cnidarians, and wormsOther Invertebrates- mollusks, echinoderms, arthropods, and insectsFishes, Amphibians, and Reptiles- fishes, amphibians, and reptilesBirds and Mammals- features, homes, range and significanceBehavior of Animals- conversation, cooperation, mating and cyclesSkin, Bones, and muscle groups- skeletal, muscular and integumentary systemsFood and the Digestive method- nutrients and digestionCardiovascular approach- center, blood, vessels and cardiovascular healthRespiratory and Excratory structures- respiring and removal of wasteControlling the physique- worried SystemDiseases and the Body’s Defenses- ailments and the immune responseReproduactive procedure and lifestyles phases- replica, fertilization, improvement and healthFrom Populations to the Biosphere- Ecology: groups, ecosystems, biotic vs. abiotic elements, and biomesEcosystem Dynamics- move of strength, recycling of subject, and environment changeEnvironmental difficulties- pollutants, renewable vs nonrenewable assets, habitat destruction & extinction, and biodiversityGlossary
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Html 4. Scanning acoustic microscopes use sound waves to scan a specimen. These microscopes are useful in biology and medical research. 16 A scanning electron microscope. 17 A scanning electron microscope image of blood cells. Other Life Science Tools What other kinds of tools and instruments would you expect to find in a biologist's laboratory or field station? Other than computers and lab notebooks, biologists use very different instruments and tools for the wide range of life science specialties.
All of life can be divided into 3 domains, which tell you the type of cell inside of an organism: 1. Bacteria: Single-celled organisms that do not contain a nucleus 2. Archaea: Single-celled organisms that do not contain a nucleus; have a different cell wall from bacteria 3. Eukarya: Organisms with cells that contain a nucleus. Archaea and Bacteria Archaea and Bacteria (Figure below and Figure below) seem very similar, but they also have significant differences. Similarities: Do not have a nucleus Small cells One-celled Can reproduce without sex by dividing in two Differences: Cell walls made of different material Archaea often live in extreme environments like hot springs, geysers, and salt flats while bacteria can live almost everywhere.
For example, is anyone else doing research on deformed frogs? If yes, what did they find out? Do you think that you should repeat their research to see if it can be duplicated? During your research, you might learn something that convinces you to change or refine your question. Construct a Hypothesis A hypothesis is an educated guess that tries to explain an observation. A good hypothesis allows you to make more predictions. For example, you might hypothesize that a pesticide from a nearby farm is running into the pond and causing frogs to have extra legs.
CK-12 Life Science For Middle School by CK-12 Foundation