Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Heterotrophs |
An organism that must obtain it's energy by eating. |
Example: Humans Heterotrophs aren't capable of making their own source of energy. |
|
|
Autotrophs |
An organism that is capable of producing it's own energy |
Example: Trees Autotrophs don't need to eat other organisms for energy. |
|
|
Photoautotrophs |
An autotroph that uses the sun to obtain its energy through a process called photosynthesis. |
Example: grass Photoautotrophs need to use the sun. |
|
|
Chemoautotrophs |
An autotroph that receives it's energy through chemical process , instead of photosynthesis |
Chemoautotrophs don't need the sun for their energy. |
|
|
Cell respiration |
the process of oxidizing food molecules to carbon dioxide and water |
cells go through cell respiration in order to break down |
|
|
Producers |
organisms that produce their own food |
Example: Pine Tree |
|
|
Consumers |
Organisms that consume other organisms for energy |
Example: Dogs |
|
|
Decomposers |
An organism that breaks down the cells of dead plants and animals into simpler substances |
Example: bacteria |
|
|
Biotic |
Of or relating to living things |
Example: Ladybugs |
|
|
Abiotic |
Physical rather than biological; not living |
Example: A pen |
|
|
Ecosystem |
A system formed by the interaction of a community of organisms with their environment. |
Example: The Rainforest |
|
|
Habitats |
The natural environment of an organism |
Example: Monkeys in the jungle |
|
|
Biosphere |
The ecosystem comprising the earth and all the living organisms on earth. |
everything is part of the biosphere. |
|
|
Digestion |
The process in which food is broken up physically by teeth and chemically by enzymes. |
Example: Digesting an apple |
|
|
Pepsin |
An enzyme produced in the stomach which can split proteins into proteoses and peptones |
Pepsin is a certain type of enzyme. |
|
|
Small intestines |
a long tube in the digestive system that absorbs most of our food's nutrients |
Small intestines are in line behind the large intestines on the digestive track. |
|
|
Salivary amylase |
An enzyme that breaks starch down into sugar |
Salivary amylase comes from the mouth. |
|
|
Lipase |
Enzymes that break down fats |
Lipase are a special kind of enzyme that break apart fatty acids and glycerol. |
|
|
Villi |
Minute, wormlike processes on certain membranes that help absorb nutrients |
Many Villi line the mucus membranes in our small intestines. |
