In metaphase I of meiosis I, the pairs of homologous chromosomes, also known as bivalents or tetrads, line up in a random order along the metaphase plate. The random orientation is another way for cells to introduce genetic variation.
The flight or fight hormone, adrenaline
Answer:This lesson introduces and explains the ecological concept of a quaternary consumer. It discusses which organisms act as quaternary consumers and. ... If so, you've filled the role of primary consumer by eating lettuce (a producer). ... In which case it should be easy to understand that quaternary consumers are next in line
Explanation: