Match the following circulatory systems with the correct animals.
1. closed circulatory system
2. two-chambered heart
3. four-chambered heart
a) fish b)earthworm c)birds

Why would a drug the damages capsids treat a viral infection

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols