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Unit 1.1 Review

Sherly Cruz

This was made to help study for the Unit 1.1 summative in Mrs.Barrey's 7th grade Pre-AP class.

What is the difference between an element & a compuond? A cell that is not microscopic is an ostrrich egg.
What two elements do Organnic Compounds have to contain to be deemed 'organic'? An example of a unicellular oranism is bacteria.
Is CO2 (carbon dioxide) aan Organic Compounds? The levels of organisation starting with the most basic unit of life are cells, tissue, organs, organ systems, & organism.
Identify what all living things are made up of. The difference between an element & a compound is that elements are made up of one type of atom & can't be broken down any more while compounds are made up of two or more types of atoms& can be further broken down
What is the smallest unit of life? CO2 (Carbon Dioxide) is not an organic compound because it lacks Hydrogen (H).
Where do all cells orginate from? The smalllest unit of life is a cell.
Not all living things are multicellular.To be alive, an organism must have at least one cell. Give an example of a unicellular organism.  All cells originate from pre-existing cells.
Not all cells are microscopic. Give an examle of a cell that is not microscopic . Eukaryoic cells don't have the same structure because they have a nucleus & are much more complex. Prokaryotic cells are simpler and lack a nucleus.
Not all cells contain the same structures. Describe this by comparing eukaryotic & prokaryotic cells. The levels of organisation for a lung cell would be lung cell, lung tissue, lung, respiratory system & human.
Identify the levels of organisation starting with the most basic unit of life. All living things are made up of cells.
Diagram the levels for a lung cell. The two elements that organic compounds have to have to be deemed 'organic' are Carbon (C) & Hydrogen(H)

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