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Module 9
Apologia Exploring Creation with General Science 2nd ed.Module 9
Question | Answer |
---|---|
1st criteria for being alive | All life forms contain deoxyribonucleic acid, which is called DNA. |
2nd criteria for being alive | All life forms have a method by which they extract energy from the surroundings and convert it into energy that sustains them. |
3rd criteria for being alive | All life forms can sense changes in their surroundings and respond to those changes. |
4th criteria for being alive | All life forms reproduce. |
Atom | The smallest chemical unit of matter. |
Molecule | Two or more atoms linked together to make a substance with unique properties. |
Metabolism | The sum total of all processes in an organism that convert energy and matter from outside sources and use that energy and matter to sustain the organism's life functions. |
Receptors | Special structures that allow living organisms to sense the conditions of their internal or external environment. |
Precocial | A term used to describe offspring that are born able to hear, see, move about, regulate body temperature, and eliminate waste without a parent's help. |
Altricial | A term used to describe offspring that are born without at least one of the following abilities: hear, see, move about, regulate body temperature, or eliminate waste. |
Cell | The smallest unit of life in creation. |
DNA molecule | Shaped like a double helix |
Backbone (related to DNA) | The two long strands of atoms linked together in just the right way forming the double helix. |
Nucleotides | The little units attached to each strand in the DNA molecule. |
DNA sequence | Only adenine and thymine can link together, and only cytosine and guanine can link together. |
Glucose | The name of the chemical that plants make for food and is considered an energy source. |
Starch | A complex carbohydrate that is stored and used as food/energy for plants and animals. |
Photosynthesis | The process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food. |
Organelle | Structure inside the cell. |
Cytoplasm | The jelly-like substance which fills the cell. |
Membrane | An outer covering of the cell. |