Which of the following is an example of an environmental change the affected the evolution of life

A. Volcanic activity

B. Changes in climate

C. Mountain building

D. All of the above

Compare and contrast parasitism and mutualism

Which situation shows potential energy being transformed into kinetic energy? A car stopped at a stoplight A flowerpot falling from a balcony A cow standing in a field A bicycle slowing down

A woman is a natural blonde and her husband has black hair. All their children have black hair. Why do you think that the blonde hair did not appear in any of the children?

4. The Sun and stars do not move. True False

Is oxygen a product or a reactant of photosynthesis?

Many toxins and poisons block certain enzymes in the mitochondria. For example, many fruits, including apricots, apples, plums, peaches, and cherries, contain seeds and pits that can cause the formation and release of the poison cyanide if they are

In a classroom system, the students produce an output of information on tests and homework. This information becomes an input for the grading part of the system. Which statement about the output of the students is true? A.

In two or more complete sentences describe how a dam placed in a river can act as both a constructive and destructive force.

When enough experimental data support a hypothesis, the hypothesis becomes a what

Which part of the central nervous system is used to serve as the main communications link between the body and the brain