3 Which of the following helps a species adapt to a changing
environment?
A
Raving fewer offspring
B.
Having more offspring
C Decreasing genetic variation
D Increasing genetic variation

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?

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

What factors contribute to the effect an environmental toxin has on the human body?