Year 9 Bio Flashcards
What is Tissue?
Tissue is a group of specialized cells performing a specific function.
What is Ecological niche?
Ecological niche is the specific role and environment of an organism.
What is Mitosis?
Mitosis is a type of cell division resulting in identical daughter cells.
What is Respiration?
Respiration is the process of generating energy from glucose.
What is Transpiration?
Transpiration is the movement of water through a plant.
Define DNA
Deoxyribonucleic acid
Define ecosystem
Community of living organisms and their environment
Biotic factors
Living components eh producers and decomposers
Abiotic factors
Non living components such as water ,soil,air ,light and temp
Food chain
Linear sequence of predator -prey relationships
Food web
Complex network of food chains
Food web
Complex network of food chains
Carbohydrate
Energy storage molecule(sugar , starch)
Protein
Building blocks of life (structurural , functional)
Protein
Building blocks of life (structurural , functional)
Lipids
Energy storage molecules(fats/oils)
What does DNA stand for and what it it’s meaning
Deoxyribonucleic acid and it contains genetic material/information
Stem cell
Cells capable of becoming various type cells
Cell membrane
Thin layer surrounding cell, controlling movement of substances
Nucleus
Contains genetic material (DNA) , controls cell growth and division
Nucleus
Contains genetic material (DNA) , controls cell growth and division
Mitochondria
Organelle responsible for cellular respiration ( energy production)
Cell division
Process which cells reproduce (mitosis,meiosis)
Cell division
Process which cells reproduce (mitosis,meiosis)