Consider this animal cell. The organelles in an animal cell are labeled. Part E represents small dots on the nucleolus.

What is the function of the small, dark organelles labeled E?
They contain enzymes for the digestion of old cell parts.
They regulate what enters and leaves the cell.
They produce proteins for the cell.
They store water and other materials.

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

When plants use sunlight to make food, the energy of sunlight is

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time