Living Organisms & Cells Flashcards
What does MRS C GREN stand for?
Movement
Respiration
Sensitivity
Control
Growth
Reproduction
Excretion
Nutrition
What are the organisation levels from smallest to largest? + examples
organelle (nucleus)
cell (red blood cell)
tissue (muscle)
organ (heart)
organ system (respiratory system)
organism (dog)
What is the function of the nucleus?
control activities of cell, contain chromosomes, carry genetic material
What is the function of the cytoplasm?
where chemical reactions happen
What is the function of the cell membrane?
controls movement of substances in and out of cells
What is the function of the cell wall?
provide structure & protection
What is the function of the mitochondria?
contains enzymes for respiration & where most energy is released during respiration
What is the function of the chloroplasts?
contains green pigment (chlorophyll), contains enzymes for photosynthesis
What is the function of the ribosomes?
protein synthesis
What is the function of the vacuole?
filled with cell sap, to stay swollen
Which organelles are only found in plants?
cell wall
chloroplasts
vacuole
Are animals unicellular or multicellular?
multi
Are plants unicellular or multicellular?
multi
Are protoctists unicellular or multicellular?
uni
Are fungi unicellular or multicellular?
multi, except yeast
Are viruses unicellular or multicellular?
neither
Are bacteria unicellular or multicellular?
uni
What are animals food source?
other living things
What are plants food source?
photosynthesis
What are protctists food source?
photosynthesis/decomposing matter
What are fungis food source?
absorb from dead things
What are viruses food source?
don’t have one
What are bacteria food source?
photosynthesis
How do animals store carbohydrates?
as glycogen