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Biology - Coggle Diagram
Biology
Mrs grend
Respiration - using oxygen and carbs to make energy
Sensitivity to stimulu - response to surrounding environment (plant moving toward sun)
Movement - self-powered movement
Growth - increase in size
Reproduce - be able to produce offspring and pass on genetics
Excretion - eliminating waste
Nutrition - intake of food
DNA - have genetic material
Living organisms can only exist where:
Chemical building blocks - carbon, oxygen, hydrogen, nitrogen
cellular repair growth & reproduction
Stable environment conditions - in a range of tolerance such as pressure, pH, temperature etc
Water - for biochemical reactions
Energy - source of energy
Tenets of cell theory
All living organisms are composed of cells
Cells are the basic unit of structure of organisms
All cells come from pre-existing cells
Eukaryotes
membrane-bound organelles
Nucleus - made of DNA, holds genetic material, controls gene expression
nucleus has nuclear envelope
nucleolus - made of RNA, produces it, no membrane enclosed
Endoplasmic reticulum
Centriole
Lysosome
Peroxisome
Golgi apparatus
Mitochondria
Larger cell sizes - plant cells however are larger than animal
Prokaryotes
Have no membrane bound organelles
Ribosomes (all cells have)
Capsule - polysaccharide layer protection
Smaller cell sizes