Becca wants to answer the following scientific question. "On average, how far do female sea turtles crawl up beaches when making their nests?"
What type of scientific investigation should Becca perform to accurately answer the question with direct observations?
A.
She should make a model using toy sea turtles and an aquarium.
B.
She should read about female sea turtles in a book.
C.
She should create an artificial environment with sand and a swimming pool.
D.
She should observe female sea turtles making nests in their natural habitats.