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MJHS 6 Unit 1
Review for Environmental Science Unit Test
| Question | Answer |
|---|---|
| All the living things in an ecosystem are called these factors. | Biotic |
| Living and non living factors interact together in a(n). | Ecosystem |
| Non living factors like water and sunlight are called these factors. | Abiotic |
| All the populations and communities that make up an ecosystem are these factors. | Biotic |
| A group of the same species living in the same area is called this. | Population |
| Several groups of plants and animals living together in an area is called a(n): | Community |
| Can a community have more than one species? | Yes |
| Can a population be made up of many communities? | No |
| This person studies how the living and non living things interact in an ecosystem. | Ecologist |
| The place where an organism lives and gets what it needs is called its: | Habitat |
| Which is larger, an ecosystem or a population? | Ecosystem |
| A group of squirrels is an example of a | Population |
| An ecologist will use this method to determine the population of trees in a large forest. | Estimate |
| If the birth rate is greater than the death rate, this will happen. | Population increases |
| If more organisms immigrate than emigrate, this will happen. | Population increases |
| Individually counting every organism in a population is an example of this type of observation. | Direct |
| Observations that include qualities or characteristics are called | Qualitative |
| Observations that include numbers are called | Quantitative |
| This process occurs when only the organisms with the best traits survive. | Natural Selection |
| If an organism can do this, it will most likely survive. | Adapt |
| An organism's "job" or role in its ecosystem is called its: | Niche |
| A butterfly's ability to blend in to avoid being eaten is a good example of this: | Adaptation |
| A rabbit and a mouse both need to eat grass in a field. These two organisms are: | Competing |
| A moose and a wolf are in this type of relationship: | Predator-Prey |
| This organism is hunted and eaten. | Prey |
| This organism hunts or stalks its food. | Predator |
| What is commensalism? | A type of symbiosis where one organism is helped and one doesn't care. |
| A sea anemone living with a clown fish is an example of this: | Mutualism |
| What is symbiosis? | Organisms living closely together in a relationship. |
| Two organisms that live together with both benefiting is called: | Mutualism |
| Fleas and dogs living together is an example of | Parasitism |
| In parasitism, which organism benefits? | The parasite. |
| In parasitism, which organism is harmed? | The host. |
| Grass, trees, and plants are all examples of this: | Producer |
| In a food web, these organisms eat producers. | 1st Level Consumers |
| This is a consumer that eats only plants | Herbivore |
| A consumer that eats only other consumers is called a | Carnivore |
| Omnivores eat | Producers and consumers |
| A mouse eats a grasshopper, the grasshopper eats leaves. What level consumer is the mouse? | 2nd level |
| Organisms that feed off dead carcases are called | Scavengers |
| Fungi and many bacteria get their nutrients from decaying materials. They are examples of: | Decomposers |
| A farmer abandons his field. Ten years later there is a forest. What kind of succession is this? | Secondary |
| A volcano wipes out a tropical island. A new island is formed. What kind of succession is this? | Primary |
| The gradual change of ecosystems over time after a major even changes the ecosystem is called | Succession |
| When an organism is no longer present on earth, it is: | Extinct |
| An organism that is in danger of becoming endangered is said to be: | Threatened |
| An organism that is in danger of becoming extinct is said to be: | Endangered |
| This is the study of the natural processes that occur in the environment and how humans can affect them. | Environmental Science |
Created by:
erica.sprague
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