Exam 1: Introduction: Evolution and Themes of Biology

When the body's blood glucose level rises, the pancreas secretes insulin and, as a result, the blood glucose level declines. When the blood glucose level is low, the pancreas secretes glucagon and, as a result, the blood glucose level rises. Such regulation of the blood glucose level is the result of

To understand the chemical basis of inheritance, we must understand the molecular structure of DNA. This is an example of the application of which concept to the study of biology?

A filamentous organism has been isolated from decomposing organic matter. This organism has organelles and a cell wall but no chloroplasts. How would you classify this organism?

Systems biology is mainly an attempt to

Which of the following categories of organisms is least likely to be revised?

A search for information and explanations of natural phenomena is known as

A water sample from a hot thermal vent contained a single-celled organism that had a cell wall but lacked a nucleus. What is its most likely classification?

Research into evolutionary adaptation considers the following theme(s)

Which of the following types of cells utilize deoxyribonucleic acid (DNA)as their genetic material but do not have their DNA encased within a nuclear envelope?

There are several possible explanations for why these two snakes have similar colouration. Field studies in the Carolinas have shown support for which of the following explanations?

Which of the following is an example of qualitative data?

Which of the following best describes the logic of scientific inquiry?

Use the following information to answer the questions below. Golden algae are a group of photosynthetic protists whose colour is due to carotenoid pigments: yellow and brown. A group of students was given a significant sample of golden algae (Dinobryon); this algae is colonial and has flagella. Their instructions for the project were to design two or more experiments that could be done with these organisms. -The students decide that for one of their experiments, they want to see whether the organisms can photosynthesize. Which of the following is the best hypothesis?

In a high school laboratory, which of the following constitutes an experiment? I. learning to use a microscope by examining fixed specimens on slides II. being able to examine swimming protists under a microscope III. extracting pigments from plant leaves and separating the types of pigments for identification IV. preparing root tips for examination by staining them

Which of the following statements best distinguishes hypotheses from theories in science?

When a hypothesis cannot be written in an "If…then" format, what does this mean?

A localized group of organisms that belong to the same species is called a

Prokaryotes are classified as belonging to two different domains. What are the domains?

According to Darwinian theory, which of the following exhibits the greatest fitness for evolutionary success?

The following is a list of biology themes discussed in Chapter 1. Use them to answer the questions below. I. New properties emerge at each level in the biological hierarchy. II. Organisms interact with other organisms and the physical environment. III. Life requires energy transfer and transformation. IV. Structure and function are correlated at all levels of biological organization. V. Cells are an organism's basic units of structure and function. VI. The continuity of life is based on heritable information in the form of DNA. VII. Feedback mechanisms regulate biological systems. VIII. Evolution accounts for the unity and diversity of life. -Which theme(s)is/are illustrated when a biology class is comparing the rates of photosynthesis between leaves of a flowering plant species (Gerbera jamesonii)and a species of fern (Polypodium polypodioides)?