1. Which biome is thought to have the greatest variety of living things? A. Tundra B. Marine C. Grassland D. Rainforest

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper

Forensic scientists think they know the identity of a skeleton. what rule should they use to select a relative whose dna could be used to try to confirm the identity?