Compared to several decades ago, children today are less likely to walk to school and more likely to be involved in sedentary activities

The main disadvantage of ECT for mood disorders is:

a. It tends to have short term effects b. It is more costly than drugs c. The increased sensitivity to light for several days after treatment d. The possibility of flashbacks

Mendel's early experiments challenged the central premise upon which previous ideas about inheritance had rested. This was the premise that

A) there is only one gene for each trait. B) there are two genes for each trait. C) offspring can inherit only those traits that are displayed by their parents. D) white seeds are dominant. E) some traits are dominant and some are recessive.