Bio 1306 Chp 1

__________ is the basic unit of life.

• Cell
• Organ

• Tissue

• Atom

Living things are divided into three different domains. Which of these domains are classified as prokaryotes?

• Bacteria and Eukarya

• Bacteria and Archaea

• Archaea and Eukarya

• Bacteria and Fungi

What is the first step of the Scientific Method?

• Conduct research

• Form a hypothesis

• Make an observation

• Evaluate results

Over time, the lineage that led to modern whales shows a change from four-limbed land animals to aquatic animals with two limbs that function as flippers. This change is best explained by which of the following concepts or processes?

• an emergent property

• reductionism

• the hierarchy of the biological organization of life

• natural selection

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

• Theories are hypotheses that have been proved.

• Hypotheses are guesses; theories are correct answers.

• Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.

• Theories are proved true; hypotheses are often contradicted by experimental results.

What kind of bias entails starting with an "expected" result and working backwards?

• Confirmation bias

• Correlation bias

• Selection bias

• Individual bias

Which of the following descriptions constitutes a controlled experiment?

• using a microscope to observe organisms present in a sample of pond water and recording the number of each type of organism observed

• setting up a bird feeder and compiling a list of all of the bird species seen at the feeder over a period of several weeks

• growing one set of 10 seedlings under white light and one set of the same type of seedlings under red light and measuring their growth over a period of two weeks

• growing one set of 10 seedlings under white light at 30°C and one set of a different type of seedlings under red light at 25°C and measuring their growth over a period of two weeks

What is the final goal of all research?

• to get grants

• to share your results with a select group of scientists

• to publish

• to advance your career

The human neural network is an emergent property

• True

• False

What is the order of the hierarchical classification in phylogeny (largest to smallest)?

• Domain, Kingdom, Phylum, Species, Order, Family, Genus, Class

• Domain, Family, Phylum, Class, Order, Kingdom, Genus, Species

• Domain, Kingdom, Class, Phylum, Order, Species, Genus, Family

• Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species