is a collection of all the organisms that live in a particular place, together with their nonliving, or physical, environment. They vary in size from all the organisms living on a decaying rock to the whole wetland. A Biome
B Biosphere
C None of the above
D Community
E Ecosystem

answer///systemic;

label a.   prophase

label b. metaphase

label c: anaphase

label d: telophase

reflection is the bouncing back of a propagating wave when it encounters a barrier; usually shows an image of the source of light wave

1) bounces back from an opaque material

2) bounces back from the boundary

3) seen in mirrors

refraction is the bending of a propagating wave having a shift of direction as it passes through different media; usually seen in lenses to magnify or lessen

1) passes through a prism

2) moves from one medium to another

3) seen in lenses