Biology (V1)
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Life Processes and Variety of Living Organisms
What are the 8 life process that all living organisms do?
Move, Respire, Grow, Respond, Control, Excrete, Nutrition, Reproduce.
What is respiration?
The breakdown of organic molecules to release energy.
What is nutrition?
The intake of organic substances and mineral ions for growth, repair and energy.
What is excretion?
The removal of metabolic wasteproducts, toxic substances, or substances in excess from organisms.
What is response?
The ability of an organism to detect and react to changes in its internal or external environment.
What is movement?
A change in position or place by an organism or part of an organism.
What is reproduction?
The production of offspring, either sexually or asexually.
What is growth?
A permanent increase in size and dry mass by addition of new cells.
Are plants unicellular or multicellular?
Multicellular.
What structure in plants allows them to carry out photosynthesis?
Chloroplasts.
What is the plant cell wall made of?
Cellulose.
How do plants store glucose?
As starch or sucrose.
Are animals unicellular or multicellular?
Multicellular.
Do animal cells have a cell wall?
No.
What system do animals use for coordination?
The nervous system.
How do animals store glucose?
As glycogen.
Are animals capable of movement?
Yes, they can move from one place to another.
What is the fungal cell wall made of?
Chitin.
How do fungi store carbohydrates?
As glycogen.
What is the body of a fungus made of?
Mycelium, which is made of thread-like structures called hyphae.
What is an example of a unicellular fungus?
Yeast.
What is an example of a multicellular fungus?
Mucor (bread mold).
What type of nutrition do fungi use and describe how it works?
Saprotrophic nutrition: Release of extracellular enzymes to digest organic molecules and then absorb organic products