Download Sixth Grade - Science Third 6 weeks

Sixth Grade - Science
Third 6 weeks
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Key Understandings:
Unit 5 – Levels of Organization in Living Systems
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Systems are made of different parts.
The cells is the basic unit of life in organisms
Structure determines function
Systems can be combined to serve a function
Each level of organization has a set of functions that serve the organization
There are different levels or organization within an organism.
VOCABULARY
1. Function – purpose
2. Structure – the way something is put together
Unit 6 - Genes
 Within the nucleus of a cell, chromosomes composed of DNA contain al genetic
information which determines the inherited traits passed from parents to offspring.
 Genes that are composed of DNA can be dominant or recessive and determine traits.
 Changes in genetic or inherited traits can occur over several generations through natural
occurrence and selective breeding.
VOCABULARY
1. Evolution – theory, based on scientific evidence that describes how organisms change
over many generations