Bio Exam Review: Chapters 1-3
Exam review for biology exam but only chapters 1-3
- 1.In the correct order going from biggest to smallest what is life's hierarchy?
- A.
Ecosystem, community, population, biosphere, organism, organ system, organs, tissues, organelle, cell, molecule
- B.
Biosphere, ecosystem, community, popualtion, organism, organ system, organs, tissues,cell, organelle, and molecule
- C.
Molecule, organs, organelle, cell, organ system, biosphere, ecosystem, population, community, organism
- 2.A Biosphere is all the... on Earth that ... life? (2 words must be filled in for each blank space)
- 3.An ecosystem is?
- A.
All organisms living in a particular area, as well as all the nonliving physical components of the enviorment
- B.
Membrane bound structure in a cell
- C.
All the enviorments on earth that support life
- D.
All the individuals of a species living in a specified area
- 4.What is a community?
- A.
Inside an organism; several organs that work together in performing a specific function
- B.
Membrane bound structure in a cell
- C.
The entire array of organisms living in a particular area
- D.
All organisms living in a particular area, as well as all the nonliving physical components of the enviorment
- 5.A population is all the individuals of a ... living in a specified ...
- 6.What is an organ system?
- 7.What is an organelle?
- 8.What is the main role of producers?
- A.
Break down complex matter into simpler mineral nutrients
- B.
Provide food for an ecosystem
- C.
Eat plants and animals
- 9.What is the main role of consumers?
- A.
Eat plants and animals. all animals take in O2 from air and release CO2. wastes return to other chemicals in the enviroment
- B.
Decompose wastes and remains of dead animals. change complex matter into simpiler matter
- C.
Provide food for an ecosystem
- 10.What is the main role for decomposers?
- A.
Decompose wastes and remians of dead animals
- B.
Provide food for an ecosystem
- C.
Eat plants and animals. all animals take in O2 from air and release CO2. wastes return to other chemicals in the enviroment
- 11.What are the two major processes in an ecosystem?
- 12.Which of these is not one of the most basica chemicals necessary for life?
- A.
H2O
- B.
CO2
- C.
Phosphorous
- D.
Minerals
- E.
O2
- 13.When does energy flow into an ecosystem?
- 14.True or False.Cells can regulate their external enviorment
- A.
True
- B.
False
- 15.True or false cells are examples of biological systems
- A.
True
- B.
False
- 16.Which of these is not a shared characteristic between all cells?
- A.
Enclosed by a membrane that regulates passage of materials between cell and surroundings
- B.
Has a nucleus
- C.
Use DNA as genetic information
- 17.What are the 2 types of cells?
- 18.What are the main characteristics that sets a eukarotic cell apart from a prokaryotic cell?
- 19.True or False All cells contain DNA
- A.
True
- B.
False
- 20.Genes are?
- A.
Anything that occupies space and has mass
- B.
Building blocks in DNA
- C.
Units of inheritence that transmit information from parents to offspring
- 21.DNA is made up of two long chains coiled together called a?
- 22.What are the building blocks that these chains are made up of called?
- 23.Which of these is not one of the three domains of life?
- A.
Archaea
- B.
Eurotrachea
- C.
Bacteria
- D.
Eukarya
- 24.What is evolution?
- A.
Natural enviorment "selects" for individuals with certain traits
- B.
Species living today are descendants of ancestrol species
- C.
All eukaryotes goruped into different kingdoms
- 25.The 2 things that are the base of the heirarchy of chemistry?
Questions: 9 | Attempts: 46662 | Last updated: Oct 6, 2020
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Sample QuestionA Cell builds it's proteins from the Instructions encoded inits _________?
Questions: 5 | Attempts: 14098 | Last updated: Jun 12, 2020
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Sample QuestionMendel observed 7 pairs of contrasting characters in Pisum sativum. One of the following is not a part of that. Find out.
Questions: 28 | Attempts: 13792 | Last updated: May 12, 2021
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Sample QuestionII-3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an X‑linked recessive trait. What is the risk of hemophilia for her children?
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