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living things
Descripción
Mapa Mental sobre living things, creado por Odei Antxon Sarasa Zunzarren el 13/03/2017.
Sin etiquetas
1º de eso
Mapa Mental por
Odei Antxon Sarasa Zunzarren
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Creado por
Odei Antxon Sarasa Zunzarren
hace más de 7 años
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Resumen del Recurso
living things
levels of organisation matter
1. Atom
2. Molecule
3. Cell
4. Tissue
5. Organ
6. System
7. Organism
8. Species
9. Population
10. Biocenosis or community
11. Ecosystem
12. Biosphere
Bioelements
Are the units which living things are composed of
Primari bioelements
carbon (C)
oxigen(O)
hydrogen(N)
nitrogen(N)
phosphorus
sulphur(S)
Secondary bioelements
calcium(Ca)
sodium(Na)
magnesium(Mg)
potassium(K)
Trace elements
iron(Fe)
iodine(I)
Biomolecules; bioelements join together .
Organic biomolecules:
* They are unique to living things. Its main elements is carbon (C)
Carbohydrates
They provide instant energy for organisms
glucose,lactose,sucrose
lipids
they store energy for future needs
fats, waxes,cholesterol
proteins
form structures such as hair, skin, and muscles
haemoglobin,collagen,keratin
nucleic acids
contain an individual genetic information
DNA,RNA
Inorganic biomolecules
water
different functions: thermal regulation and the transport of substances
mineral salts
participate in the formation of the rigid structures (bones)
calcium carbonate, calcium phosphate
CELLS
Are the functional and structural units of all living things.
unicellular and multicellular
Cell structure
plasma membrane
cytoplasm
nucleid acid
Cell types
prokaryote cell
size: 0.5-10 um
genetic material in cytoplasm
plasma membrane is covered by a cell wall
small organelles
eukaryote cell
size: 10-150 um
genetic material is contained in the membrana (nucleus)
cytoplasm particular jobs: cellular organelles
plant: they have a cell wall covering the plasma membrane. Contains choloplasts
animal: they do not have a cedll wall. They do not have chloroplast
cell epecialisation
division of labour
greater efficiency
longevity
VITAL FUNCTIONS
Nutrition
The purpose of nutrition is to renew and help preserve the organism´s structure, as well as obtaining energy to perform the three vital functions
cellular metabolism
anabolism
catabolism
types
autotrophic
heterotrophic
Interaction
allows living things to interact with their environment, detect any changes in it and react to therm
reproduction
asexual
a single individual creates multiple descendants which are identical.
bipartition
budding
sporulation
sexual
it requires two individuals of the opposite sex
Vital functions in plants
plant nutrition
photosynthesis
water+minerals salts+CO2+sunlight = organic matter + O2
cell respiration
organic matter + O2 = water + CO2 + energy
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