1. Describe the components of a scientific experiment – control, independent variable, dependent variable, experimental group. 2. How might sampling error or bias affect a scientis... 1. Describe the components of a scientific experiment – control, independent variable, dependent variable, experimental group. 2. How might sampling error or bias affect a scientist’s observations and conclusions? 3. List the taxa of Linnaean classification in order from species to domain. 4. Name the 4 kingdoms of Eukaryotes and characteristics of each kingdom. 5. List two characteristics of prokaryotes. 6. How do consumers and producers interact in the ecosystem? How does energy flow from one trophic level to the next?
Understand the Problem
The question is asking for a variety of explanations and descriptions related to biological concepts that are essential in an Honors Biology midterm review. It covers topics such as scientific methods in experiments, characteristics of cells, classification taxonomy, metabolic processes, and photosynthesis. The problems require explanations and descriptions of fundamental biological principles, which are essential for a deeper understanding of the subject.
Answer
1. Control, independent variable, dependent variable, experimental group define experiments. 2. Sampling error/bias affects conclusions. 3. Linnaean order: species to domain. 4. Eukaryotic kingdoms: Protista, Fungi, Plantae, Animalia with distinct traits. 5. Prokaryotes lack nucleus, organelles. 6. Energy flows from producers to consumers.
- A scientific experiment includes: control (conditions held constant), independent variable (factor altered), dependent variable (factor measured), and experimental group (subjected to independent variable changes). 2. Sampling error or bias can lead to inaccurate observations and flawed conclusions. 3. The Linnaean classification order is species, genus, family, order, class, phylum, kingdom, domain. 4. The four kingdoms of Eukaryotes are: Protista (diverse, mostly single-celled), Fungi (decomposers, cell walls with chitin), Plantae (photosynthetic, cell walls with cellulose), Animalia (multicellular, no cell walls). 5. Prokaryote characteristics include lacking a nucleus and organelles. 6. Consumers and producers interact as consumers eat producers; energy flows through consumption over trophic levels.
Answer for screen readers
- A scientific experiment includes: control (conditions held constant), independent variable (factor altered), dependent variable (factor measured), and experimental group (subjected to independent variable changes). 2. Sampling error or bias can lead to inaccurate observations and flawed conclusions. 3. The Linnaean classification order is species, genus, family, order, class, phylum, kingdom, domain. 4. The four kingdoms of Eukaryotes are: Protista (diverse, mostly single-celled), Fungi (decomposers, cell walls with chitin), Plantae (photosynthetic, cell walls with cellulose), Animalia (multicellular, no cell walls). 5. Prokaryote characteristics include lacking a nucleus and organelles. 6. Consumers and producers interact as consumers eat producers; energy flows through consumption over trophic levels.
More Information
The experiment's components must be carefully controlled to ensure valid scientific results. Linnaean classification helps organize biodiversity. In ecosystems, energy transfer efficiency between trophic levels averages about 10%.
Tips
Confusing dependent and independent variables is common. Remember independent is what you change; dependent is what you observe.
Sources
- Controlled experiments (article) | Khan Academy - khanacademy.org
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