Energy and nutrients both move through food chains. They are different, however, because nutrients are 1. lost to the atmosphere 2. recycled 3. used up 4. all of these anwers are correct​

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

How does the carbon cycle involve an exchange of carbon

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome