You should be able to find guard cells and stomata. are the stomata open or closed

Introns represent a genome scrap yard that provides DNA segments for genome evolution and a variety of small RNA molecules. Select one: True False

The Sun provides energy. Plants use the energy to make food. How do animals get energy? Animals get energy by eating the plants. Animals absorb the Sun's energy and make their own food. All animals get energy by hibernating.

Arthropods like shrimp molt because A. their hard exoskeleton cannot grow larger. B. their body grows faster than their exoskeleton. C. their exoskeleton is damaged. D. their exoskeleton cracks and lets in water.

Unlike life at the top of a body of water, life at the bottom of the body of water A. receives much more exposure to light. B. performs much more photosynthesis. C. is affected by temperature and nutrient availability. D.

How many red pandas are left alive in worle?

Why can't astronomers measure the parallax of a star that is a million light years away?

An advantage of using an electromagnet, instead of a regular magnet to move cars in a junk yard is then an electromagnet can easily be turned on and off. True or False.

All of the following are examples of limiting factors in an ecosystem except: A. Space B. Food C. Population density D. Water

Why is the inside of a frogs stomach folded?

Which formation stores groundwater? A. water table B. reservoir C. pond D. aquifer