In a pea plant round seeds are dominant over wrinkled. A plant is homozygous dominant for round seeds is crossed heterozygous plant, what is the probability the offspring will have wrinkled seeds and round seeds?

This is Punnet squares btw please help

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.