Biomes are large-scale environments that are distinguished by a. Animals and migration patterns
b. Salinity and nutritional levels
c. Volcanic activity and phosphate levels
d. Precipitation and temperature

When water freezes, it . contracts expands

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

Which direction does the energy flow in this energy pyramid ?