Unit Test Answers

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

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 explains why angiosperms are the most diverse and successful plant group today?

Which level of organization falls directly after the tissue level when listed in order from least to most complex?

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?

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

The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord?

Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?

Consider the classification levels of a human. EukaryaAnimaliaChordataMammaliaPrimatesHominidaeHomosapiensWhich is the most specific taxonomic level in the classification system above?

Sal drew a diagram to compare vertebrates and invertebrates.

The body obtains sugar from food. Which system most directly affects blood sugar levels?

Consider the plant cells in the image below.Which is a function of the cell structure that is labeled X?

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?

Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?

Which best describes the different modes of bacterial reproduction?