The diagram represents a dihybrid cross between two pea plants heterozygous for both seed color and seed shape. A diagram shows the dihybrid cross between 2 pea plants. The phenotype ratio is 1 to 3 to 3 to 9.
What is the phenotypic ratio of the offspring?
1:1:1:1:2:2:2:2:4
1:3:3:9
1:4
4:12

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

How does an angiosperm prevent self pollination

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight