What is a characteristic of a stable environment?

3. Could a man with type AB blood be the father of a child with type O blood? Explain your answer utilizing Punnett squares (see Ch 29 in the text for an example).

Which of the following statements is true of offspring from organisms that reproduce asexually? a. offspring are genetically identical to the parent. b. offspring are genetically different from the parent. c.

During which step in the scientific method should the independent variable be established?

In leaf cutter ant colonies, the ants clip leaves to feed a fungus garden and then the ants feed on the fungus. Is this a mutualistic relationship? No, the ants are parasites on both the leaves and fungus.

Which of the following is a benefit of using dams as a source of freshwater? A. Dams increase the chances of a flood. B. Dams displace existing organisms. C. Dams have a risk of failing. D. Dams create water-recreation areas.

What are some of the difficulties with measuring the volume of a gas? Select all that apply. A. it could be soluble in liquid B. it can be difficult to contain. C. it varies depending on the container it is in D. it varies based on its mass

3. Which process makes sexual reproduction possible and also increases the variation of inherited traits? a. The wrapping of DNA around histones b. Meiosis c. Gene expression d. Mitosis

Earth's physical layers correspond to Earth's compositional layers. Which part of the mantle is also part of the lithosphere? the fluid, hot part the rigid upper part the lower stationary part the soft-moving part

The subunits of DNA are nucleotides consisting of what?

A scientist is trying to determine which clade an organism best fits into based on its characteristics. He has determined that the organism must belong to either the clade of bacteria or fungi.