Which of these can be described as a system of stars, gases,

dust, and other matter that orbits a common center of gravity?

a. an asteroid

b. a galaxy

c. a nebula

d. a comet

In which stage do the chromatids get separated and move toward opposite ends of the cell?

In living things, traits are passed on from one generation to the next by the transfer of?

Through the digestion system water is mainly absorted in the

Which cellular structure makes it possible for a cell to differ structurally and biochemically from its surroundings?

9. Why it is advised to breathe through the nose only and not through the mouth? 10. What should be the position of our face if we want to use concave mirrors as shaving mirrors. Give reason

What joins the skeletal muscle to the bone? A. cartilage B. epithelium C. ligament D. tendon

Which region of the highlighted organ prolongs and amplifies the sympathetic (emergency) response?

A medical study was investigating if getting a flu shot actually reduced the risk of developing the flu. A hypothesis test is performed. Which of the following will result in a Type I error? a.

How can a catastrophic global event influence evolutionary change? Group of answer choices Undesirable versions of genes are removed. New genes are generated. Only some species may survive the event.

Collectively called the auditory ossicles. What do you call this membrane?