An unfertilized egg is

What allows the plants to stand up-right and receive the maximum amount of energy? A. Vascular tissues B. Vascular cylinders C. Tracheid Cells D. Parenchyma tissue

What might happen to cells that are exposed to high concentrations of sugar?

Which of the following is food for cells? A. minerals B. water C. sugar D. oxygen

What characteristic of the daphnia allows the population to adapt to environmental change?

How fast can a squirrel run?

How is it that the heartworm is able to multiply in numbers at such a fast rate?

Ground squirrels are found in many areas of the United States. They live in underground burrows and are often attacked by birds of prey, coyotes, and boBCats. Which of the following is a limiting factor for a ground squirrel population?

10. Which of the following is an emerging dis- ease that was unknown 50 years ago? a. malaria b. dengue fever C. Lyme disease d. schistosomiasis

You eat a large meal and then hike up a hill. What kind of energy transformation is your body performing? A. Chemical energy to kinetic energy and nuclear energy B. Potential energy to sound energy and nuclear energy C.

Which nervous systems balance each other to provide homeostasis?