The NT test uses ultrasound to measure the clear (translucent) space in the tissue at the back of your developing babyâs neck. The NT scan must be done when youâre between 11 and 14 weeks pregnant. The last day you can have it done is the day you turn 13 weeks and 6 days pregnant. Itâs usually offered along with a blood test in whatâs known as first-trimester combined screening.
Many biology graduates pursue opportunities outside the science and health sectors in industries such as business, finance, marketing, education and sales. Find information on employers in science and pharmaceuticals, environment and agriculture, healthcare, and other job sectors.
Youâll study such subjects as the chemical makeup of water, the oceanâs geology, marine mammals, fish, plants, and biological habitats. Marine biology majors study the creatures that live in the oceans. They also look at the habitats and ecological environments in which these organisms live. Marine biology majors study more than just plants and animals. For instance, they also study hydrothermal vents (geysers) in the ocean floor.