Unit Test Answers

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

Which statement accurately describes reproduction in animals?

Which level of classification contains orders but is smaller than phylum?

Consider the virus that has a complex shape. Which organism does this virus infect?

Consider the diagram that depicts the lysogenic and lytic cycles. In which step of the diagram is the provirus formed?

Sal drew a diagram to compare vertebrates and invertebrates.

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?

Which level of biological classification is the lowest level that butterflies (invertebrates) and dogs (vertebrates) have in common?

A student studies a plant specimen. The student notices that the plant has seeds that are enclosed by a fruit. Which term can the student use to definitely describe the plant based on the evidence that they see?

Which best relates cells and viruses?

Which structure allows a virus to recognize and attach to receptors on the host cell?

Which term represents animals without backbones?

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

Which of these are characteristics of all animal cells? Check all that apply. They contain a nucleus.They are eukaryotic. They lack membrane-bound organelles.They lack a nucleus.They are prokaryotic.They contain membrane-bound organelles.

There are four steps in bacterial conjugation. The second step is missing in this list.1. Special sex pilus connects two cells.2.3. Each cell makes a complementary DNA strand.4. The cells separate.Which is the missing step for the process of conjugation described?