Which of the following adaptations is best suited for life in the pelagic zone?

•tubelike body shape

•gas-filled bag or swim bladder

•hard shell

•numerous legs

Which of the following properties of RNA does NOT provide evidence supporting the hypothesis that RNA was an early genetic material?

If two electrically charged objects repel one another, which of the statements must be true? Electrons will flow from one object to the other when they touch each other. One object has more electrons, and the other has more protons.

In the article you read, the number of cases of paralytic polio went from about 2,500 per year in the 1950s to complete eradication in the Americas by 1994. Explain how the use of cell technology makes disease eradication possible.

Which of the following adaptations allowed plants to transport water and nutrients from the soil to all of the cells within the plant A. Leaves B. Circulatory system C. Vascular system D. Cuticle

The part of earth in which life exists, including land, water, and air is called

What is the overall trend in the mass of ice on Antarctica

How does a cell transport materials across the cell membrane?

2. What is the name given to anything in the environment that keeps a population from growing out of control?

What is the life span of the Visayan deer

Which of the followijng is not type of bacteria that can cause illness a) aerobic bacteria b) anaerobic bacteria c) facultative anaerobic bacteria d) depilitative bacteria;