Answer:
Diffusion is important to plants and animals because it allows them to gain the useful substances they require to obtain energy and grow, and lets them get rid of waste products.
Explanation:
The earth rotates around its axis as it revolves around the sun. it takes the earth one year to complete a revolution.
Answer:
Offspring of two different true-breeding varieties are called hybrids.
Explanation:
Pure-breeding plants are plants that self pollinate for many generations and all its offspring had the same features as the parents, generation after generation.
When Mendel cross pollinate this pure-breeding plants with contrasting traits, the offspring is called hybrids because they resulted from a cross between two pure-breeding plants with contrasting traits.