Ared blood cell is in an artery in the left arm of a human. how many capillary beds must this cell pass through before it is returned to the left ventricle of the heart

Compare asexual reproduction to sexual reproduction

What are some aquatic organisms that live in cold water temperatures?

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.