What is the main function of the cell membran

Which of the following is true? A. water is important to some organisms. B. some substances must be dissolved in water before they can be used C. All organisms obtain water through food D. Plant cells are unaffected when water is scarce

Which characteristic would exclude an animal from being an amphibian? they have lungs. they have a cartilaginous skeleton. they are ectothermic. they have a three-chambered heart. they have vertebrae?

What are some limiting factors that could affect an owls survival

Which of the following is a genetic disorder that results when two mutated alleles are inherited? A down syndrome B colorblindness C cystic fibrosis D hemophilia

Where can carbon be found

Lily visits her family doctor. He tells her that the upset stomach she experienced after drinking milk is caused by too little lactase, an enzyme that breaks down a sugar in milk into monosaccharides. Which monosaccharides form from this reaction?

Which of the following is a result of Earth's current radiation balance? A. Earth is a completely closed system. B. Thermal energy is destroyed on Earth. C. Earth's inorganic and organic forms of matter are in equilibrium. D.

Why is it important to monitor tides

Total these measurements. Your answer should indicate the proper accuracy. Include units. 22.1 L 43.20 L 86.1221 L 91.52 L

What is the biological importance of chlorophyll