Scientific Study Of Life
Thinking about life's organizational hierarchy in a biological system, which of the following is the correct sequence from the smallest unit to the largest unit?
A. molecule-atom-organelle-tissue-cell
B. cell-organelle-atom-tissue-molecule
C. organelle-molecule-atom-tissue-cell
D. atom-molecule-organelle-cell-tissue
E. atom-organelle-molecule-cell-tissue
D. atom-molecule-organelle-cell-tissue
Thinking about taxonomy, the basic unit of naming, that includes members with the ability to reproduce with each other, is
A. domain
B. family
C. species
D. genus
E. kingdom
D. species
Which is the correct sequence of steps in the scientific method?
A. form hypothesis-observation-collect data-analyze results-design an experiment
B. form hypothesis-observation-design an experiment-collect data-analyze results
C. observation-analyze results-draw conclusion-design an experiment-form hypothesis
D. observation-form hypothesis-design an experiment-collect data-analyze results
E. observation-analyze results-form hypothesis-draw conclusion-design an experiment
D. observation-form hypothesis-design an experiment-collect data-analyze results
The primary elements making up living organisms are
A. carbon, hydrogen, iron, sulfur, sodium, and calcium.
B. carbon, hydrogen, oxygen, sulfur, nitrogen, and phosphorus.
C. carbon, hydrogen, oxygen, calcium, iron, and iodine.
D. carbon, oxygen, iron, chlorine, sulfur, and phosphorus.
E. carbon, oxygen, sulfur, calcium, iron, and phosphorus
B. carbon, hydrogen, oxygen, sulfur, nitrogen, and phosphorus.
Evaporation of water is a phase of water from
A. a liquid into a vapor
B. a solid into a vapor
C. a vapor into a liquid
D. a vapor into a solid
E. All of the answer choices are correct
A. a liquid into a vapor
The hierarchy of life extends past individual organisms, which of the following is the correct sequence from least inclusive to most inclusive, following in individual organism?
A. population-ecosystem-community-biosphere.
B. community-population-ecosystem-biosphere.
C. population-community-ecosystem-biosphere.
D. community-population-biosphere-ecosystem.
E. ecosystem-population-biosphere-community.
C. population-community-ecosystem-biosphere.
The four kingdoms included in the domain Eukarya
are
A. Bacteria, Protista, Plantae, and Animalia
B. Archaea, Fungi, Plantae, and Animalia
C. Protista, Fungi, Plantae, and Animalia
D. Bacteria, Fungi, Archaea, and Animalia
E. Archaea, Bacteria, Protista, and Animalia
C. Protista, Fungi, Plantae, and Animalia
In this experiment, you are working with available planter pots from the laboratory. You have choices of clay pots of different sizes, as well as biodegradable peat pots and others within lab equipment provided. To establish a standardized variable, you would
A. report the pot type used, though recognizing the pot is not as important as fertilizer and light to the strawberries.
B. select a variety of sizes based on the initial strawberry plant size.
C. choose clay pots for the fertilized plants, and biodegradable pots for the unfertilized plants.
D. monitor the strawberry growth rates and determine a mathematical correction to account for the type and size of pot used.
E. select all sixteen pots to be of the same material and size for the experiment.
E. select all sixteen pots to be of the same material and size for the experiment.
The atomic number of an element is the number of
A. protons in the orbitals.
B. electrons in the nucleus.
C. neutrons in the orbitals.
D. protons in the nucleus.
E. neutrons in the nucleus.
D. protons in the nucleus.
In a chemical equation, which components of a chemical reaction are found on the left side of the arrows?
A. solvents
B. reagents
C. reactants
D. products
E. buffers
C. reactants
To be considered living, an organism minimally consist of?
A. atoms and molecules.
B. DNA and proteins.
C. one or more cells.
D. DNA and RNA.
E. RNA and proteins.
C. one or more cells.
A major difference between prokaryotes and eukaryotes is that although prokaryotes
A. do not have a nucleus, eukaryotes have a nucleus in their cells
B. have chloroplast for photosynthesis, eukaryotes do not.
C. have mitochondria, eukaryotes do not.
D. have DNA, eukaryotes only have RNA
E. have cell walls, eukaryotes do not
A. do not have a nucleus, eukaryotes have a nucleus in their cells
A plant takes up nutrients like ammonium nitrate to maintain
A. sexual reproduction.
B. evolution.
C. asexual reproduction.
D. natural selection.
E. homeostasis.
E. homeostasis.
The mass number is defined as the total number of an atom.
A. protons
B. protons, neutrons, and electrons
C. neutrons and electrons
D. protons and electrons
E. protons and neutrons
E. protons and neutrons
An acid
A. has a value above 7 on the pH scale.
B. is a chemical that takes hydrogen ions from a solution.
C. has a value of 7 on the pH scale.
D. is a chemical that adds hydrogen ions to a solution
E. All of the answer choices are correct
D. is a chemical that adds hydrogen ions to a solution
Organisms that make their own nutrients by capturing energy from non-living resources ( Solar Energy ) are called?
A. detritivores
B. parasites
C. decomposers
D. consumers
E. producers
E. producers.
A structure, such as a flower in plants, or liver in animals, consisting of tissues organized to carry out a specific function is a
A. molecule
B. cell
C. organ
D. population
E. organelle
C. organ
A plant is a
A. decomposer
B. consumer
C. producer
D. consumer and decomposer
E. consumer and producer
C. producer
An ion is an atom that has
A. a net negative charge.
B. a different number of neutrons from the number of protons.
C. a net negative or positive charge, with the number of electrons different from the number of protons.
D. the same number of electrons as it does protons.
E. a net positive charge.
C. a net negative or positive charge, with the number of electrons different from the number of protons.
A base
A. is a chemical that adds hydrogen ions to a solution.
B. has a value below 7 on the pH scale.
C. is a chemical that absorbs hydrogen ions from a solution.
D. has a value of 7 on the pH scale.
E. All the answer choices are correct.
C. is a chemical that absorbs hydrogen ions from a solution.
Organisms that obtain energy and nutrients by eating either living or dead organisms are called?
A. producers
B. All of answer choices are correct
C. autotrophs
D. consumers
E. plants
D. consumers
The correct sequence going from smallest to largest is
A. molecule-atom-organelle-tissue-cell
B. tissue-cell-organelle-molecule-atom
C. atom-molecule-organelle-cell-tissue
D. cell-molecule-tissue-organelle-atom
E. cell-tissue-organelle-molecule-atom
C. atom-molecule-organelle-cell-tissue
Starchy foods in our diets, such as rice and potatoes, consist of many glucose molecules covalently bonded together to form
A. simple sugar.
B. a complex carbohydrate.
C. a fatty acid chain.
D. a triglyceride.
E. a protein.
B. a complex carbohydrate.
In a covalent bond, atoms
A. both become highly electronegative.
B. share protons.
C. share electrons.
D. of opposite charges attract each other.
E. lose electrons.
C. share electrons.
The four major groups of organic compounds are
A. carbohydrates, proteins, amino acids, and nucleic acids.
B. fats, waxes, carbohydrates, and amino acids.
C. carbohydrates, lipids, steroids, and monosaccharides.
D. carbohydrates, lipids, proteins, and nucleic acids.
E. lipids, fats, waxes, and steroids.
D. carbohydrates, lipids, proteins, and nucleic acids.