6th Grade Science Ch 3 Sec 1&2

Question Answer
Name the 6 activities of living things nutrition, respiration, excretion, respond/movement, growth, reproduce
Are all living things made up of cells? Yes. Cells are the basic unit of life.
Organization of life from cell to ecosystem cell, tissue, organs, organ systems, organism, population, community, ecosystem
cell basic unit of life
tissue cells work together to make up tissue
organs groups of tissue work together to make up organs
organ systems organs work together to make up organ systems
organism all organ systems work together to make up an organism; an organism is any living thing that carrious out life activities on its own.
population all organisms of the same kind living together
community all populations living together in the same place
ecosystem all the living and non-living things interacting with each other in an environment
Are plants made of cells and tissue? Yes
What is a food chain? Feeding relationship and model of how energy is passed from organism to organism in an ecosystem
What is an abiotic factor? Non-living things in an ecosystem that living things need to survive
What is an example of an abiotic factor? water, minerals, sunlight, air, soil
What is a biotic factor? living parts of an ecosystem
What is an example of a biotic factor? plants, animals, fungi, protists, bacteria
What is a consumer? They consume (eat) plants or other animals that eat plants
What is an example of a consumer? Animals
What is a decomposer? They decompose or break down dead plants and animals into useful materials for the soil
What is an example of a decomposer? fungi, bacteria, protists
What is a niche? Each species' role in a food web
What are adaptations? Features that help the survival of a species in an ecosystem
What are biomes? Large land regions with given climates
What are examples of biomes? Desert=hot, dry Tropical Rainforest=rainy, hot Tundra=cold, little precipitation
Give an example of a Freshwater Ecosystem. wetland, pond, lake, river

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