Lymphocytes known as blastocysts make antibodies that fight infection.
true, or false.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

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.