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Question 11.The release of water in plants, causing the change in water potential allowing for the movement of water in the xylem, is best known as:
Question 22.Earth's atmosphere is made up of several components including carbon, oxygen, and nitrogen. About how much of the atmosphere is nitrogen?
Question 33.What structure is labeled in this diagram?
Question 44.What term describes the process of converting atmospheric nitrogen to ammonia?
Question 55.The attraction of water molecules to other water molecules is best described as:
Question 66.Which of the following is NOT an example of a sugar sink?
Question 77.Which kingdom contains the oldest known organism found on earth?
Question 88.The individual units of xylem that have tapered ends are called:
Question 99.Plants that have two cotyledons and flowers in groups of four or five are best known as:
Question 1010.Which of the following correctly pairs the type of protist with the primary source of nutrition?
Question 1111.According to the phylogenetic tree, which organisms are the least related to each other evolutionarily?
Question 1212.Nitrogen is part of what vital substance in plant cells?
Question 1313.Apple trees are vascular plants with flowers. Based on this information, apple trees can be classified as:
Question 1414.The relationship between nitrogen-fixing bacteria and legumes can best be described as:
Question 1515.Which of the following is not a characteristic of all prokaryotes?
Question 1616.Which of the following is a characteristic of fungi?
Question 1717.Which of the following does not describe plants?
Question 1818.The pressure flow hypothesis can be used to explain:
Question 1919.Xylem is composed of dead cells lined end to end. What is responsible for making these cells strong and durable even though they are no longer living?
Question 2020.By analyzing DNA, scientists have hypothesized that _____ are evolutionary ancestors of plant-like protists such as red and green algae.
Question 2121.If a clade has a known common ancestor and displays all of its descendants, it is called:
Question 2222.Which of the following correctly pairs the group of archaebacteria with the environment in which the group lives?
Question 2323.Which of the following correctly pairs the name with the shape?
Question 2424.Insects often eat leaves and other plant structures in order to obtain nutrients such as sugar. Which location in a plant will most likely provide sugars for the insect because it is a part of the phloem?
Question 2525.The veins in a leaf contain tissue that is also known as:
Question 2626.Which structure associated with phloem carries out metabolic activities for the phloem?
Question 2727.Organisms that fix atmospheric nitrogen into a usable form for plants and humans are:
Question 2828.Which of the following is not a characteristic of all three types of protists?
Question 2929.What characteristic does not describe both plants and fungi?
Question 3030.According to the cladogram shown, which organisms are most closely related?
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