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Module 9 Science
Apologia General Science Grade 7 Module 9- What is Life?
Question or Term | Definition 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 |