Biology EOY Flashcards
What makes the xylem vessel special?
Xylem Vessels, transport water and nutrients from the roots to the leaves and provide structural support, and are made up of dead hollow cells with Lignin-reinforced walls and perforation plates.
Why is carbon important to living things?
Carbon is essential to living things because it forms the backbone of all organic molecules, including proteins, carbohydrates, and DNA, which are necessary for life.
What happens to the heart after a blockage in canary arteries?
A blockage in the Coronary arteries restricts blood flow to the heart muscle which leads to chest pain or a heart attack.
What does transpiration mean?
Transpiration is the process by which water vapor is released from the plant into the atmosphere.
What affects the rate of transpiration?
Humidity
Time of day
Temperature
Abiotic factors that affect population growth/size are?
Temperature
Water availability
Light
What does translocation mean?
Translocation in plants refers to the movement of nutrients and sugars,mainly through the phloem, from sources (where they are produced or stored) to sinks (where they are needed or used).
