The ring of fire is a ring of volcanos around the Pacific Ocean that result from subduction of oceanic plates beneath lighters continental plates. most of the earths volcanos are located around the Pacific ring of fire because that the location of most of the earth's subduction zones
According to the cell theory the object should be made up of cell in order to be considered alive ..
Answer: Analogous structures are those that have a similar function but whose origin is different. Homologous structures have the same function and also start from the same origin.
Explanation:
Convergence is the evolutionary phenomenon by which different organisms that are evolutionarily distant tend, under equivalent environmental pressures, to develop analogous characteristics.
Analogous structures are those that have a different evolutionary origin, but fulfil very similar functions. For example, the wings of a bird, the wings of a bat and the wings of an insect all are for the same thing (flight) but their phylogenetic origin is not the same. This means, they fulfill <u>similar functions by similar means, without having the same evolutionary origin.</u>
The development of homologous structures occurs through divergent evolution, where two related species change a common ancestral structure during their evolution in order to survive by performing different functions.
Then, if they have the same evolutionary origin, they are homologous. <u>So, if two structures have the same function by similar means and also start from the same origin, they are homologous structures.
</u> For example, the extremities of vertebrates, similar skeletal structure, but for different uses.
Astronomical body = A) An object in space
Galaxy = B) A system of stars held by gravitational attraction
Comet = C) A celestial object consisting of a nucleus of ice and a stream of gas and dust
Moon = D) An astronomical body that orbits around a planet
Answer:
c - the volume of solution changes due to movement of water.
Explanation:
Passive transport is the movement of a substance from an area of high concentration to a low concentration across a semi-permeable membrane, that occurs without the expenditure of energy.
Option A is true: substances will always move from an area of high concentration to a lower concentration. This creates what is called a concentration gradient (which forms when a physical area contains a range of concentrations of s particular substance (option D). This occurs until the concentration of a solution approaches an equilibrium, as indicated in option B.
However, the movement of substances does not affect the movement of or the volume of water, only the chemicals, ions etc. in the water.