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:
False
Explanation:
Candling is used to study the embryo. An intense source of light is placed behind the egg to visualize the internal developments and changes. Here, candle is used as a source of light.
Bacteria and viruses cannot be observed in the light of a candle. However a virus is much smaller as compared to a bacteria and it can be seen only in electron microscope.
Thus, the given statement is false
