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Sliva [168]
3 years ago
10

Kevin is studying predator-prey interactions. One day he notices a spider eating a cricket caught in its web. Later that day, a

bird eats the spider. How many consumers has Kevin observed directly in this scenario?
Biology
1 answer:
Brilliant_brown [7]3 years ago
8 0

Answer:

Kevin has observed 2 consumers, the primary consumer, the spider, and the secondary consumer is the bird.

Explanation:

The producer in this scenario is the cricket, and the spider eats first, that's why its called the "primary" consumer.

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A population of walleye increased from 1200 to 3700 from 2004 to 2006 what is the Growth rate?
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Answer:

The growth rate is 1250 per year.

Explanation:

  • First of all, lets consider the population number in both years;

The initial population is 1200, and

Final population is 3700.

  • Total increased population is (3700- 1200) = 2500

So 2500 population were increased in (2006 - 2004)= 2 years.

  • To find the annual growth rate: (Increased population/ time span in years)= 2500/2= 1250 per year.
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Answer:

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