Body Organization Answers

Which level of classification includes the most species?

What is the main function of a fungus’s hyphae?

Some protists form long, foot-like projections of their cell membrane and cytoplasm that are used for movement and to capture food. What is the name of these structures?

The classification levels of a human are listed below from largest to smallest. EukaryaAnimaliaChordataMammaliaPrimatesHominidaeHomosapiensWhich level of biological classification do Mammalia and Hominidae represent, respectively?

Which evolutionary adaptations helped plants succeed and spread on land?

Which best explains the evolution of gymnosperm plants?

Which series correctly lists the eight taxonomic levels in order, from the broadest group to the most specific group?

Consider this microscopic image of bacteria. Which bacterial shape is shown in the image?

Which fungi group is known as the zygote fungi and produces spores in zygosporangia?

Which protist exhibits both animal-like and plant-like characteristics?

Which evidence did Carl Linnaeus use to classify organisms?

Which of the following lists the order of taxonomic levels from the largest to the smallest group?

A biologist is in the process of classifying a newly discovered fungus. The fungus is a decomposer and has saclike structures. The organism most likely belongs in the same group as which of the following?

Scientists group organisms into kingdoms by looking at specific characteristics. Which is a characteristic of a carrot plant?

Which correctly distinguishes between how a pine tree and an apple tree reproduce?

Mike is studying the phylogenetic tree for big cats. He made several statements about the tree. Which statement is not true?

Consider the table.Types of BacteriaFormShapeAssociated diseaseCoccusXStrep throatBacillusRod shapedYSpirillumSpiralCholera Which best describes X and Y?

A botanist has discovered a new plant species and is trying to classify the plant. Its seed has one cotyledon, it has six flower parts, its leaves have parallel veins, its stem is herbaceous, and the vascular bundles in its stem are scattered throughout the stem. Which best classifies this plant?

Consider this microscopic image of bacteria. Which type of bacteria is shown in the image?

An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. What kingdom does it most likely belong in?

This is a tulip plant. Which statement best describes the flower based on its physical characteristics?

Which best describes the difference between protists that have cilia and those that have flagella?

Phytoplankton, shown on the left in the image below, are microscopic organisms that can be found in freshwater and salt water environments. They perform photosynthesis to get energy and act as an important food source for larger organisms, such as the whale that is shown on the right. Which characteristic describes the whale but not its food source, the phytoplankton?

Which can modern taxonomy do?

An example of genetic recombination is shown in the diagram.Which type of bacterial reproduction is depicted in the diagram?

Consider these phylogenetic trees. The first tree is based on physical characteristics. The second tree is based on structure, genetics, and evolutionary history. Which can be concluded from a comparison of the two phylogenetic trees?

When protists and fungi are compared, which feature is unique to protists?

This diagram summarizes a method to group land plants. Which row in the table best represents the evolution of plants that match the diagram? Labels for Plant Classifications 123456AGymnospermsAngiospermsSeed plantsSeedless plantsMonocotsDicotsBDicotsMonocotsAngiospermsGymnospermsSeed plantsSeedless plantsCSeed plantsSeedless plantsAngiospermsGymnospermsDicotsMonocotsDSeedless plantsSeed plantsGymnospermsAngiospermsMonocotsDicots

Consider the diagram of the basic structure of a bacterium.Which of the labeled structures in the image allows bacteria to exchange genetic material and thus evolve to be better pathogens?

What would happen to a bacterial cell if its protective covering was destroyed?

Which statement best defines a protist?

This diagram shows how seed plants are grouped. Which is the missing label?

Lactobacillus acidophilus (below) is a probiotic microorganism typically found in the human small intestine. It has a cell wall made of peptidoglycan. It aids in the process of digestion and can commonly be obtained through sources such as acidophilus yogurt. Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria?

Which type of bacterial reproduction involves the donation of a single strand of plasmid DNA from one bacterial cell to another?