Because an organism with a genetic variation may have better chances of breeding and passing on that trait if the trait is beneficial to the survival of that organism. This leads to that trait being passed on and becoming wide-spread over generations of reproduction; natural selection.
Answer:
O and Q
Explanation:
Why O: Because gas has a lot of energy and movement and doesn't have a definite shape or volume, it can move as much as it likes, but when it condenses, it becomes a liquid, and a liquid has a definite volume, but no definite shape, and has less energy and movement.
Why Q: Because liquid has a definite volume, but no definite shape, and a good amount of energy and movement, but when it freezes it loses its energy and movement, and becomes a solid, and a solid has a definite volume and shape and the particles can barely move enough to vibrate
I hope you at least understand my concept. :)
Answer:
Considering what research tells us about encoding and retrieval, the teacher would be well advised to help students encode information about the cell <em>in both visual and verbal forms.</em>
Explanation:
Psychological studies have shown that images are able to generate better memories in a person. Anything which is learned through images will be remembered by the human brain for a longer period of time.Also, anything which is learned from a language which the brain interprets is known to generate memories. Hence, both visual and verbal forms of learning would help the students to learn components of a cell.
Separation of sister chromatids (D)
Answer:
DNA tightly coils around proteins and condenses into chromosomes, which fit in the nucleus.