The function of mechanical digestion is to break down large chunks of food into smaller pieces. why is this important? smaller pieces of food

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

According to this food web which of the following would be considered primary consumers

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.