PLEASE ANSWER ALL. I WILL RATE 1. 2. 3. 4. 5. Energy spent on reproduction const

Question

PLEASE ANSWER ALL. I WILL RATE

1.

2.

3.

4.

5.

Energy spent on reproduction constitutes an organism's "reproductive effort". The figure below shows the relationship between reproductive effort (number of cones produced) and growth measured as the relative width of annual rings for the Douglas fir, Pseudotsuga menzieii. The line represents the general trend as defined by the equation: y--1.70x + 107.5; n 32, 2 0.71, P= 0.008. 120 E 115 110 ? 105 100 95 S 90 85 80 75 Douglas fir reproductive effort 0 2 46 8 10 12 14 16 18 20 22 Mean number of cones per tree (x 102)

Explanation / Answer

1. A. 20

2. C. 82.5

3. B. decrease in width of ring by 170 mm

4.C. 71

5. B. are consistent with

The equation of regression shows that the slope is negative that depicts the negative relation between them.

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