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Biology final exam
| Question | Answer |
|---|---|
| What is the study of ecology? | Interactions between organisms and their environment. |
| What is the biosphere? | Land, water, air, and where all life exists. |
| What is the ecosystem? | All organisms that live in a certain place including nonliving things. |
| What is an autotroph? | Makes food from the sun. |
| What is a herbivore? | only eats plants. |
| What is a hetertroph/consumer? | gets their energy source from other organisms. |
| What is a carnivore? | meat-eaters. |
| What is an omnivore? | eats both plants and animals. |
| What is a decomposer? | Breaks down organic matter. |
| What is a food chain? | Energy transfer by eating and being eaten. |
| What is a food web? | Complex interactions and relationships among organisms |
| What is a trophic level? | Each energy level along food chains. |
| What is an ecological pyramid? | Shows the amount of energy within a trophic level. |
| What is a biogeochemical cycle? | Matter is recycled between and within ecosystems. |
| What is a biotic factor? | Living parts of an environment. |
| What is an abiotic factor? | Nonliving parts of an environment. |
| What is a habitat? | Areas where an organism lives. |
| What is predation? | An organism captures and feeds on another organism. |
| What is smybiosis? | Any relationship in which 2 species live closely together. |
| What is mutualism? | Both species benefit from the relationship. |
| What is commensalism? | One member of the association benefits and the other isn't harmed nor helped. |
| What is parasitism? | One organism lives on or inside another organism and harms it |
| What is a biome? | Has some climate change and communities |
| How do populations grow? | Exponentially. |
| Which one doesn't limit growth in a population? | Non-growth |
| Which is the difference between innate and learned behavior? | Innate: Inborn Learned: Is taught. |
| Which one is a dominant gene? | * Uppercase Letters * |
| Which one is a recessive gene? | * 2 Lowercase Letters * |
| Why does crossing over happen in Meiosis? | To produce new combinations of genes. |
| What is the purpose of Meiosis? | To create sex cells. |
| Which nitrogen base does DNA not have? | Uracil. |
| Which one is the correct DNA base pairing? | A=T C=G. |
| Which sugar does DNA have? | Deoxyribose. |
| Which one is not a step in DNA replication? | DNA disappears (not true). |
| What is the overall purpose of transcription? | To make mRNA. |
| What is the purpose of translation? | To make proteins. |
| Which nitrogen base does RNA have? | Ribose. |
| Mutations can be...? | Good Bad or Neither. |
| Genetic Engineering is...? | Selective breeding, manipulating DNA, cloning. |
| What is the study of classification? | Organizing living animals into groups by characteristics. |
| What is the study of Evolution | Change in an organism over time. |
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lovedianaxoxo
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