Animals of this biome are often nocturnal and amphibians estivate to survive Grassland
Tundra
Taiga
Desert

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Harold makes a venn diagram to him compare and contrast mitosis and meiosis. which label belongs in the region marked z? forms diploid cells creates an even number of cells includes two rounds of cell division duplicates body cells

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?