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Brandt Sci 1.4-5
Chapter 1, Lesson 4 & 5
Question | Answer |
---|---|
Consumer | Any organism that eats the food producers make or eats other consumers |
Food Chain | A set of steps which organisms get the food they need |
Decomposer | An organism that breaks down wastes and remains of other organisms |
Ecosystem | living and nonliving things in an environment and all their interactions |
Producer | An organism such as a plant that makes food |
Food Web | A pattern that shows how food chains are related |
An ecosystem is made of .... | a community, population and habitat |
The three types of organisms are.... | producers, consumers and decomposers |
What is a population of an ecosystem? | The number of one living organism in an ecosystem. |
A drought changes the ecosystem of a large area of land, turning to a desert. What might happen to the plants because of this change? | Only those that need little water will survive |
What does a consumer eat? | Producers and consumers |
Producers are important to the ecosystem because they | are a source of energy, hold soil in place and provide shelter. |
An herbivore is a consumer that eats only... | plants. |
A carnivore eats only... | animals. |
An omnivore is a consumer that eats... | plants and animals |
Decomposers break down living and dead matter into simple | chemicals |
A drought is... | a long period of time with little or no rain. |
Overpopulation is... | an ecosystem that has too many of 1 kind of living thing. |
Name 2 examples of a producer... | lettuce and grass |
Name 2 examples of a consumer... | humans and birds |
Name 2 examples of decomposers... | snails and worms |
A food chains and food webs are related by | the same animal |
A disease kills a large population of plants in an ecosystem- what will happen to the other populations? | Consumers that eat those plants will die and then consumers that eat those consumers will die. |
Name the 3 differences in an ecosystem... | soil, sunlight and water |
Name 3 types of pollution... | water, air and land |
Name 2 ways we can fight pollution... | shut of lights, reduce and reuse |
In a desert ecosystem what are some members of the community? | cactus, lizard, wolves, rabbits, woodpecker, owl |
Name some habitats in a desert ecosystem | sand, rocks, dead cactus, cacti |