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8Sci_Ecosystems2
Ecosystems Test 2
Question | Answer |
---|---|
What is described when the host is harmed by an organism living on its host? | Parasitism |
What is it called when everyone must work together in order to survive? | Cooperation |
What is an example of a parasite and a host? | a tapeworm and a cow |
What type of relationship are fleas and cats? | parasitism |
How are terrestrial and aquatic food webs interconnected? | a bird eats fish |
What relationship demonstrates cooperation between species? | Mutualism |
What type of relationship are bees and plants? | mutualism |
What ecosystem would there be more competition among a population of a species? | a small ecosystem |
What is an example of mutualism? | bee and flower |
What is the benefit of a sea anemone attached to a hermit crab? | the anemone travels with the crab |
How can egrets and cattle coexist in a field together? | they consume different food sources |
What is an example of competition? | a deer mouse and a sparrow |
What is a parasitic relationship? | when one organism benefits and the other organism is harmed |
How does photosynthesis play a role in the carbon cycle? | it adds carbon dioxide to the atmosphere |
How do animals release the most nitrogen from their bodies? | urine |
What gas is needed by algae to produce oxygen? | carbon dioxide |
What would have a negative effect on photosynthesis in a plant? | a lack of water |
What is necessary for respiration to occur in animals and plants? | oxygen |
What do scavengers, fungi and bacteria consume from dead organisms? | energy |