Classification Review

Based on their scientific names, a scientist would know that the organisms Entamoeba histolytica and Entamoeba dispar do not belong to the same --

What does the presence of similar genes in very dissimilar organisms imply?

Carolus Linnaeus developed a system for grouping organisms according to their similarities. What is this classification system called?

The diagram shows taxonomic groups and a mjaor distinguishing characteristic for all but two of them. Which characteristics will be used to complete the chart?

10. This type of bacteria has existed on Earth at least 3 billion years and is considered an “ancient” type of life.

Both euglena and cyanobacteria are photosynthetic unicellular organisms found in pond water. The feature that distinguishes euglena (Protista) from cyanobacteria is the —

Which two vertebrates are most closely related?

9. Organisms found in this kingdom are known as decomposers; they are different from plants because they do not perform photosynthesis.

Arthropods are joint- legged animals. Spiders, crabs, pill bugs, centipedes, and millipedes are examples of the many types of arthropods. Which of these arthropod groups are most closely related?

1. Which of the following levels of classification contains the greatest number of organisms?

The main advantage of multicellularity is that

3. What is the smallest level of classification - where the organisms can mate with each other and where the offspring can also mate and produce offspring?

cell in Figure 20 most likely belongs to an organism classified in the kingdom --

Which kingdom contains multicellular heterotrophs without cell walls?

8. Organisms in the animal, plant, protista and fungi kingdoms are all part of which domain?

A scientist exploring in the rainforest found an unclassified organism. It was multicellular and made of multiple thread-like structures. The organism had cells with a nucleus and a cell wall made of chitin. The scientists should classif

2. All organisms have two scientific names. What classification levels do these names identify?

The study of evolutionary relationships among organisms is called...

4. The science of identifying and classifying organisms into groups based on shared characteristics is called

With the advent of new biotechnology, which aspect does modern classification tend to rely on for the definitive classification of organisms?

The two kingdoms composed entirely of unicellular organisms without a nucleus are --

Using the information below, which of the following would be characteristic of the kingdom bacteria? 1 Cell wall 2 Cell Membrane 3 Multicellular 4 Heterotrophic 5 Autotrophic

According to the cladogram, lungs are a trait that is present in which of the following organisms?

7. List the 7 classification categories in order from the largest, most general group to the smallest, most specific group.

5. The scientist that created the modern classification system is...

Which trait is shared by the organisms classified in kingdoms Protista, Plantae, Fungi, and Animalia?

Each species of organism has a universally accepted scientific name that scientists assigned using a system known as --

6. An organism’s species name is domesticus. Its genus name is Felix. What is the scientific name of the organism?

A student collected the animal shown on a field trip. The student used a dichotomous key and a microscope to classify the animal. How should this animal be classified?