Unit 2 Flashcards
What does MRS GREN stand for?
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition
Define Movement.
Ability to move
Define Respiration.
Breaking down food for energy
Define Sensitivity.
Responding to the environment
Define Growth.
Increasing in size
Define Reproduction.
Producing offspring
Define Excretion.
Removing waste
Define Nutrition.
Taking in food
Name three parts of a plant cell.
Nucleus, Cytoplasm, Cell Membrane, Cell Wall, Vacuole, Chloroplasts
Name three parts of an animal cell.
Nucleus, Cytoplasm, Cell Membrane
What is an ecosystem?
A community of living organisms and their interactions with their abiotic environment
Define biotic factor.
A living component of an ecosystem (e.g., plants, animals)
Define abiotic factor.
A non-living component of an ecosystem (e.g., sunlight, water)
What is a habitat?
The natural environment where an organism lives
Where does the energy in an ecosystem come from?
The sun
What is photosynthesis?
The process by which plants make their own food using sunlight, water, and carbon dioxide
What are the reactants of photosynthesis?
Water (H2O), Carbon Dioxide (CO2)
What are the products of photosynthesis?
Glucose (C6H12O6), Oxygen (O2)
What is a producer?
An organism that can make its own food (e.g., plants)
What is a consumer?
An organism that eats other organisms
What is a herbivore?
A consumer that eats only plants
What is an omnivore?
A consumer that eats both plants and animals
What is a carnivore?
A consumer that eats only animals
What is a predator?
An animal that hunts and eats other animals
