Explain why offspring are not clones of each other or their parents.

State the function of nitrogen fixation

Describe the process of generating geothermal electricity by outlining the steps involved. Take your description from the drilling for hot water stage to the electricity production stage.

Th a prace for sleeping. 12. Which of the following is an example of a parasite? a. worm in your intestine c. bee stinger in your arm b. a lion hunting zebras d honeybee on a flower

Which of the following statements is true? Moraines form when glaciers pick up large rocks. Plucking happens when glaciers deposit rock and sediment. Since 1979, the polar ice caps have grown in size about 20%.

Which of the following terms describes how a neuronal membrane's potential is altered in the presence of inhibitory signals?

The structure of DNA resembles a spiral staircase, also known as a double

What is the medium in which sound travels inside a bird's body?

Which best describes a gene? A: different allele form of a trait B: tightly coiled strands of DNA C: the center of a chromosome D: a segment of a chromosomal DNA

The growth of organisms in an ecosystem can be limited by the amount of water and light the ecosystem receives. a. True b. False

What is the most likely cause of plate movement? A) radiation from the sun B) cold air currents on earths surface C) heat convection within the earth D) movement of ice sheets