Explain why a species of barnacles semibalanus balanoides is dominant in areas that are usually under water and another species of barnacles chthamalus stellatus is dominant in areas that have prolonged dry periods

This is due ! matching pairs of chromosomes from parents are called a. homologous chromosomes b. heterozygous chromosomes c. herterogenes d. homologous bands

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.