cómo explicas que, si no hemos visto un dinosaurio, no hemos viajado al espacio exterior, ni hemos visto un corazón o un cerebro humano directamente, aun así, podemos describir y hasta explicar el funcionamiento de estos sistemas

Order the steps of protein synthesis. amino acids are lined up in a sequence. rna is modified into mrna. dna is transcribed. a ribosome binds to mrna. chemical bonds are formed and a protein is produced.

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

Classify the structures as homologous or analogous, depending on their structure and function.