Should an ideal parasite be able to thrive within the host without harming it?

Two galaxies of masses 9 billion solar ,ass and 4 billion solar mass are 5 million light years apart. If, the sun has to cross the line joining them, without being attracted by either of them, through what piont it should pass?

If parasite bird lays its eggs in the nest if its host and lets the host incubate them, it is called as

A solid cylinder at rest at top of an inclined plane of height 2.7 m rolls down without slipping. If the same cylinder has to slide down a frictionless inclined plane and acquires the same velocity as that acquired by centre of mass of rolling cylinder at the bottom of the incline, what should be the height of the inclined plane?

The parasite which completely depends on host is called

Anita was driving at a speed of 85.6 km per hour. The road had a speed limit of 55 km per hour. By how much should she reduce her speed to be within the speed limit?

The pressure-volume work for an ideal gas can be calculated by using the expression w W=overset(V_2)underset(V_1)intPexDV The work can also be calculated from, the PV plot by using the area under the curve within the specified limits. When an ideal gas is compressed (a) reversibly or (b) irreversibly from volume V_1 to V_2 Choose the correct option

While living in and on the host species,the animal parasite has evolved certain? adaptations. Describe these adaptations-with examples.

A virus is considered as a living organisms and an obligate parasite when inside a host cell. But virus is not classified along with bacteria or fungi. What are the characters of virus that are similar to non-living objects?