Question

A scientist is designing an investigation to study the impact of the neck length of tortoises on survival rates in the Galapagos islands. What is most likely the outcome variable (dependent variable) in this investigation? (4 points)

a
Neck length

b
Survival rate

c
Number of predators

d
Galapagos island environment

Answer 1

a, because the neck lengths will change based on the outcome of the observation

Answer 2

It think a.

Step-by-step explanation:

Because, it says tortoises so that means there are many. If there are many there may be different neck length, so I think it is a.