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Mr Mac Ecosystem
| Question | Answer |
|---|---|
| What does abiotic mean? | Non-living |
| Name 3 things in an ecosystem that are abiotic factors. | Rocks, soil, water, temperature, climate/weather, altitude, sunlight, air... |
| What does biotic mean? | Alive or living |
| Name somethings that would be biotic factors in an ecosystem. | plants, animals... all the organisms |
| How is a population different from a community? | A population refers to one kind of organism a community is many kinds of organisms. |
| How is a population similar to a community? | It refers to living things. Many populations make up a community. |
| Describe how energy flows through a food chain or food web? | It moves in the direction the arrows point. It moves from producers, to consumers and then to decomposers. |
| What is a secondary consumer? | It is a consumer that eats another consumer? |
| What is a primary consumer? | It is a consumer that eats a producer. |
| Why is conservation of natural resources important? (Don't say because we will run out) | Much of our use of natural resources leads to a negative effect on the environment and ecosystems. (pollution and destruction of habitats) |
| What provides the energy that begins almost all food webs and chains? | The sun |
| Another name for a primary consumer is an... | Herbivore |
| Another name for a secondary consumer is a... | Carnivore or Omnivore |
| How do producers make their food? Name the process. | Photosynthesis |
| What do producers use to carry out photosynthesis? Sun light and what else? | Water and carbon dioxide |
| Name 3 things continually recycled in nature. | Water, air(oxygen and carbon dioxide) and food. |
| What is a biome? | A large area with similar climate, rainfall, organisms and land features. |
| Does North America have different biomes? | Yes |
| What are some of the biomes in North America? | Tundra, taiga, grassland, desert, temperate forest and temperate rain forest |
| What do producers "eat"? | The Sun... Well they don't really "eat" it, they use it to conduct photosynthesis. |
| Which direction does the energy flow in a food chain? | From the producer to the consumer or from the primary consumer to the secondary consumer. |
| Would the bacteria decomposing a dead animal be a biotic ecosystem factor? | Yes, bacteria are living organisms |
| What is symbiosis? | When 2 different species live in close contact with one another. The relationship can benefit both organisms -or only one organism -and can sometimes harm one of the organisms |
| Name a symbiotic relationship. | Egyptian plover and the crocodile -Clown fish and anemone -Many mammals and the bacteria in our digestive system -and many more |
| Would you count plants as part of an ecosystem's community? | Yes, Plants are organisms. |
| What do ecologists call the population of organisms per unit of area? | population density |
| What are non-native species? | A species of organism that isn't found naturally in an ecosystem, biome or habitat. |
| What is an organism? | Any living thing. |
| Does America have different biomes? | Yes, deserts, temperate forests, grasslands and even a type of rain forest. |
| What organism is at the bottom of food chains? | Producers |
| All food chains begin with which type of organism? | producer |
| Can a primary consumer be a carnivore? | NO. A primary consumer must eat plants. |
| Can a secondary consumer be an herbivore? | No. A secondary consumer must eat animals. |
| Name 3 special types of consumers. | Decomposer, scavenger and parasite. |
| Are all types of symbiosis helpful to each organism? | No, parasitism hurts one organism and helps the parasite. |
| What happens in the type of symbiosis called "commensalism"? | One organism is helped and the other organism is unharmed. |
| What happens in the type of symbiosis called "mutualism"? | Both organisms are helped by the relationship. |
| What is photosynthesis? | The process of making "food/sugar" out of sunlight + water + carbon dioxide. |
| Photosynthesis is a very important process in ecosystems. Why? | Photosynthetic plants begin "ALL" food chains. Without them ecosystems would fall apart and "ALL" things would DIE! |
| Plants are able to make their own food using photosynthesis. Name the process plants and animals use to convert the food into energy? (Hint: It happens in all cells) | Cellular Respiration |
| Why is dissolved oxygen important in water ecosystems? | |
| Why are too many phosphates and nitrates unhealthy for a water ecosystem? | |
| What is biodiversity? | |
| What native and non-native species? | |
| What are endangered species? |
Created by:
MrMac
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