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Module 9 Science

Apologia General Science Grade 7 Module 9- What is Life?

Question or TermDefinition or Answer
Atom The smallest stable unit of matter in Creation
Molecule Two or more atoms liked together to make a substance with unique properties
Photosynthesis The process by which a plant uses the energy of sunlight and certain chemicals to produce it's own food
Metabolism The process by which a living organism takes energy from it's surroundings and uses it to sustain itself, develop, and grow
Cell The smallest unit of life in Creation
What are the first two criteria for life? -All life forms contain DNA -All life forms have a method by which they take energy from the surroundings and convert it into energy that helps them live
What are the last two criteria for life? -All life forms can sense changes in their surroundings and respond to those changes -All life forms somehow reproduce
What does DNA provide? The information needed to turn lifeless chemicals into a living organism
Is DNA large or small compared to other molecules? Large
What part of the DNA stores the information? The nucleotides
What part of the DNA forms the double helix structure? The Backbone
Which nucleotide will link to adenine? Thymine
Which nucleotide will link to cytosine? Guanine
Glucose The chemical that plants make for food
Starch The chemical that plants store their food as
Biosphere A living system that is isolated from it's surroundings but still continues to live and grow
Is the population of people on the earth becoming a problem? No
Where is the DNA stored in a cell? The nucleus
True or False, there are 5 different kinds of basic cells. False
True or False, DNA is a long string of nucleotides. true
Created by: hawkeyesmurf