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Bio Review

QuestionAnswer
What does biotic mean? alive or was alive
What does abiotic mean? never alive
What makes a species unique? The babies can have babies
How much energy passes from one level in a food chain to the next level? 10%
What is the role of a decomposer? they break down dead organisms
Only 10% of the energy in an organism is passed on to the consumer. What happens to the rest of the energy? It is released as heat or used for moving, digesting food, repairing the organism
What does the term symbiosis mean? The way different species interact with one another.
What is commensalism? When one species is helped and one species is not affected
What is mutualism? When both species are helped
What is parasitism? When one species is hurt and the other species is helped
Which organelle is where photosynthesis occurs? chloroplast
Which organelle is where cellular respiration occurs? mitochondria
Where is energy stored in an organism? in the chemical bonds of molecules
What is the original source of most energy on Earth? the sun
What is the main function of photosynthesis? to form chemical bonds and store energy
What is the main function of cellular respiration? to break chemical bonds and release energy for an organism to use
What is an independent variable? The part of an experiment a scientist changes, like amount of fertilizer a plant is given, temperature bacteria is grown in.
What is a dependent variable? The data the scientist collects, like number of eggs that hatch or height a plant grows.
What are the characteristics of the animal kingdom? Eukaryotic, multicellular, heterotrophs
What are the characteristics of the plant kingdom? Eukaryotic, multicellular, autotroph, cell walls
What are the characteristics of the fungi kingdom? Eukaryote, heterotroph, cell walls, multicellular or unicellular
What parts or organelles are found in prokaryotes? genetic material, cytoplasm, cell membranes (remember the water bottles full of colored water) bacteria are the only prokaryotes
What organelles are found in eukaryotes? Plants, animals, and fungus: cell walls, nucleus, genetic material,
How is carrying capacity defined? The number of organisms that can live in one area
What are homologous structures? Things like arm bones in animals, they have similar structures in different animals. Think homo means same
What are vestigial structures? Parts that seem to have no function but probably did in earlier organisms
Which organisms perform photosynthesis? plants and some bactera
Which organisms perform cellular respiration? most living things
Created by: lb goodlock