science

8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct?
A.the extinct species was a parasite in a parasitic relationship with the surviving species.
B.the extinct species relied on the surviing species in a commensal relationship.
C.the two species had a mutualistic relationship***
D.the surviving species preyed on the extinct species. --------------------------- 2.A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particulary hot, dry period that causes a snake population to decline what could the biologist hypothesize bout the roles of these two species?
A.the lizard preys on the snake.
B.the lizard is a parasite of the snake***.
C.the snake and lizard use the same limiting resource
D.the snake is a keystone species in the ecosystem

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asked by Me
  1. Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

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    posted by PsyDAG
  2. The answer is A.

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    posted by Yello!
  3. yello your later they post this on 2014 and your 2016 so LATE!!!!!

    AND DUDE THERE ARE TWO QUISTION WHICH ONE IS RIGHT

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  4. And the fact that you’re answering to someone from 2016 is stupid.

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  5. Not really cause us new kids have the same question

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    posted by Shane
  6. Statistically speaking, Nobody's Stupid

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