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Environment and Dogs

Last updated over 1 year ago
12 questions
1

Some traits are the result of complex interactions between organism's DNA, environmental factors and individual choices.

1

Environmental factors can affect the expression of certain traits that are inherited

1

A scientist wants to investigate how sleep, diet and exercise impacts a dog's weight. Should the scientist change all three variables at once?

1

A scientist wants to investigate how sleep, diet and exercise impacts a dog's weight. Should the scientist use dogs that are the same age and breed?

1

A scientist wants to investigate how sleep affects a dog. The scientist restricts sleep but keeps the dogs diet and exercise the same. What is the independent variable (variable that is changed?)

1

A scientist wants to investigate how sleep, diet and exercise impacts a dog's weight. The scientist controls how many calories the dogs get and keeps the amount of sleep and exercise the same. What is the dependent variable (what the scientist is measuring?)

1

Look at experiment #1. How did sleep affect dog's weight. Give evidence from the data.

1

Look at experiment #2. How did diet affect a dog's weight? Give evidence from the data.

1

Look at experiment #3. How did exercise affect a dog's weight? Give evidence from the data.

1

Does the data make sense?

1

What might happen if you fed a dog a 500 calorie daily diet?

1

What could prevent a dog who exercises a lot (90 mins per day) from losing weight?