Unit Test Answers

Which question is most likely to be found in a dichotomous key for identifying a tree by its leaves?

Which is the correct written form of the scientific name that uses the rules of binomial nomenclature?

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it?

Which kingdom(s) include both unicellular and multicellular organisms?

These statements compare and contrast Ascomycota and Basidiomycota.I. Some species in both groups can cause plant diseases.II. Species from both groups can be used in making bread rise.III. All species in both groups can be used as food.IV. Ascomycota produce spores in a sac-like structure; Basidiomycota produce spores in a club-shaped structure. Which of the statements are true?

In what respect is a mycelium and a fruiting body similar?

Ceratium fusus is a protist that is found primarily in coastal waters, especially around the coast of the United Kingdom. These organisms are unique because they can undergo a special chemical reaction at night that helps defend them against predators. It provides defense by attracting larger predators that prey on the organisms that eat Ceratium fusus. Which characteristic of Ceratium fusus is being described?

Which reason best explains why bacteria are good at causing infections in other organisms?

Use this portion of a dichotomous key for tree identification to answer the question.1a. Needlelike leaf ® Step 101b. Broad leaf ® Step 22a. Compound leaf ® Step 32b. Simple leaf ® Step 77a. Leaf bases attached opposite each other on branch ® Step 87b. Leaf bases attached staggered on branch ® Step 118a. Leaves lobed ® Maple8b. Leaves not lobed ® Step 99a. Leaves heart shaped ® Catalpa9b. Leaves not heart shaped ® DogwoodWhich best describes dogwood leaves?

A scientist has correctly gone through all the possible steps in a dichotomous key, but has not identified an insect. Which most likely describes why he did not identify the insect?

Which example best demonstrates the importance of having knowledge of evolutionary relationships?

Dichotomous keys are constructed based on

Consider the recent phylogenetic tree of five different organisms. Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?

Which best describes the different modes of bacterial reproduction?

Scientists group organisms into kingdoms by looking at specific characteristics. Thermus aquaticus, shown below, is a specialized bacteria called a thermophile. Thermophiles are microorganisms that can live in bodies of water that are extremely hot, such as deep sea hydrothermal vents.Which characteristic most likely describes a mushroom but not Thermus aquaticus?