Amarine scientist in california wants to study the habitat of atlantic blue crab, a species of crab found around the chesapeake bay. how can he best study the habitat of these organisms?

a) collect and analyze water samples from atlantic blue crab habitats within the chesapeake bay.
b) transfer a population of crabs into an aquarium to observe how they behave in the lab.
c) move crabs from the atlantic to the pacific ocean to test if they survive in another environment.
d) breed a new line of atlantic blue crabs that can survive in cooler climates than the chesapeake bay.

A

Explanation:

The best to study about the habitat of these organism is to collect and analyze water samples from Atlantic blue crab habitats within chesapeake Bay

Because taking sample of water will about  the different microorganisms in it and the temperature of water suitable for Atlantic blue crab.Appropriate conditions might not be met at lab for Atlantic blue crab to conduct experiment.

Its D:    While Jay waited to hear news of his father, he paced back and forth, refusing to sit down.

Explanation:

Indirect clues require you to use a character’s thoughts and actions. Jay's insistent pacing tells you he is worried about something.