Bio 1320 Exam 1 Questions With Correct Solutions, Already Passed!!
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Course
Bio 1320
Institution
Bio 1320
What is an organelle? - membrane bound structure that has a specific function within a cell;
Chloroplast, ribosomes, etc.
What are the 5 characteristics of all living creatures? - 1. Organization
2. energy use
3. maintenance of internal constancy (homeostasis)
4. reproduction, growth, and deve...
What is an organelle? - membrane bound structure that has a specific function within a cell;
Chloroplast, ribosomes, etc.
What are the 5 characteristics of all living creatures? - 1. Organization
2. energy use
3. maintenance of internal constancy (homeostasis)
4. reproduction, growth, and development,
5. evolution
Can you list the levels of organization from smallest to largest? - Atom
Molecule
Organelle
Cell
Tissue
Organ
Organ System
Organism
Population
Community
Ecosystem
Biosphere
What is an atom? - Small chemical unit of a type of pure substance aka element; Carbon atom
What is a molecule? - group of joined atoms; H20, CO2, MH4,etc
, What is a cell? - Fundamental unit of life, can be multicellular or unicellular; leaf cell, prokaryote,
eukaryotes
What is tissue? - collection of specialized cells that function in a coordinated fashion; multicellular
life only; epidermis of a leaf
What is an organ? - Structure consisting of tissues organized to interact and carry out specific
functions; Leaf, lungs, etc.
What is an organ system? - organs connected physically or chemically that function together;
above ground part of a plant, digestive tract, etc.
What is an organism? - Single living individual; One acacia tree
What is a population? - Group of the same species of organism living in the same place and time;
multiple acacia trees
What is a community? - All populations that occupy the same region ; All populations in Savanna
What is an ecosystem? - Living and nonliving components of an area. Savanna
What is the biosphere? - Global ecosystem.
When given an example of something alive, can you tell me where it fits in the levels of the organization
of life? (Is it a tissue, a species, a population, etc) - organsim
Define and be able to recognize emergent properties - new properties that arise from physical or
chemical properties
What is homoeostasis? - maintaining internal balance
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