Can most organisms use "free" nitrogen gas in the atmosphere?

The ability to cause change in energy is known as

DNA is made of nucleotides which are composed of a. a protein group, a sugar group and a nitrogenous base. b. a phosphate group, a starch group and a nitrogenous base. c. a sugar group, an amino acid group and a nitrogenous base. d.

Harriet is testing the hypothesis that her cat is faster than her dog in a short sprint. She times her cat, Mittens, as it runs 30 meters. She then times her dog, Mandrake, as it runs the same thirty meters. Animal Time (seconds) Mittens 3.

Which of the following best compares rhizoids and fruiting bodies in Fungi? A. Fruiting bodies house rhizoids, which produce and release spores. B. Rhizoids absorb water and nutrients, while fruiting bodies release spores. C.

Which one of these is NOT a category of luster of a mineral? A. metallic B. sub-metallic C. non-metallic D. streak

What controls traits of inheritance

The type of stress that has a positive effect on health and wellness is called

If the climate in an area has very little rainfall, what would be the characteristics of the soil in the area?

Star nosed mole what are its natural predators

Briefly describe the basic characteristics that all living things on earth have in common