Answer:
Marine mammals use sound in a variety of ways while feeding. One well-known example is echolocation, in which animals produce short pulses of sounds that are reflected back when they strike an object.
Deposit feeders pass sand, mud, water or sediment into their mouths
Suspension feeders catch food or organic material from the water using tentacles or spiny arms
Filter feeders; capture food that is suspended in the water by creating a current within them for the water to flow through.
Predators actively seek out their prey items. In the ocean, some predators can be adapted to blend in with the surrounding area and wait for a prey item to pass by or they can be adapted to move quickly to chase down prey.
Explanation:
Answer:
C) Compliance ; acceptance
Explanation:
Compliance: In social psychology, the term compliance is defined as a process of obeying or following command or order. In other words, compliance includes a person to change his or her behavior because he or she had been directed or requested from the other person.
Example: An old man request a boy to play away from his house because he is not feeling well and hence the boy listened to his request.
Strategies: Foot-in-the-Door Technique, Low-Balling, etc.
Acceptance: In psychology, the term acceptance is defined as the process of a person to approve a situation's reality, and identifying the negative situation or any condition in the absence of any attempt to change it.
Ans.
Steroids are defined as active organic bio-molecules, having four rings with a specific molecular configuration. Steroids play role in two major functions: as hormones or signaling molecules and as structural components of plasma membrane.
Examples of steroid hormones are estrogen, progesterone, and cortisol. Thus, the correct answer is 'option b). they serve as chemical messengers.'
