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Science Notecards Chap. 1
Biology at 7th grade level but I had to put 9th because 7th wasn’t available. Enjoy!
29
Biology
9th Grade
08/30/2023

Additional Biology Flashcards

 


 

Cards

Term
Unicellular
Definition
Made of one cell- exp. Amoebas and bacteria
Term
Multicellular
Definition
Made of many cells- exp. Animals and humans
Term
  • Heterotroph
Definition
Consumes food for energy- exp. Humans and animals
Term
Autotroph
Definition
Creates own food (glucose) Exp- algae, plants, some bacteria and fungi
Term
Homeostasis
Definition

Maintaining an internal balance- ex. Thermal stat

 

Term
Development
Definition
All of the changes an organism goes through in its lifetime
Term
Photosynthesis
Definition
Plants use carbon dioxide and energy from the sun to make oxygen and glucose (sugar)
Term
Aerobic
Definition

An organism that uses oxygen to respire

 

Term
Anaerobic
Definition
An organism that does not use oxygen to respire
Term
Asexual Reproduction
Definition
An organism that can produce an offspring identical to itself
Term
Sexual Reproduction
Definition

When sperm and egg combine to produce a genetically unique offspring

 

Term
Growth
Definition
To add cells or living material
Term
Respire
Definition
To use gas and release gas
Term
Respond to the Environment
Definition

When organisms respond to the environment to maintain homeostasis

Term
Element vs. Compound
Definition
An element cannot be broken down by physical means while a compound is two or more elements chemically combined
Term
Organic Compound
Definition
Built around carbon and hydrogen and found in all living things
Term
Carbohydrates
Definition
Group of organic molecules including sugars
Term
Simple Carbohydrate
Definition
Group of organic molecules including sugars
Term
Complex Carbohydrate
Definition
Starch and cellulose (fiber) provide energy the next day
Term
Iodine
Definition
Turns black in the presence of a complex carbohydrate
Term
Lipids
Definition
Fats, oils, and waxes exp. Butter, cheese
Term
Saturated Fats
Definition
Liquid at room temperature
Term
Functions of Lipids
Definition
Cushion, Waterproof, Insulate (Keep warm), Provide Long-term energy
Term
Brown Paper Bag
Definition
Turns translucent when it touches a lipid
Term
Proteins
Definition
Provide structure for an organism and enzymes help digest food exp. Meat etc. gives you energy
Term
Amino Acids
Definition
There are 20 amino acids used to build proteins
Term
Biuret
Definition
Turns purple in the presence of a protein
Term
Nucleic Acids
Definition
Include DNA and RNA and they are the hereditary material passed down from parents to offspring
Term
Nucleotide
Definition
Builds nucleic acids like DNA and RNA, made of one sugar, one phosphate and one nitrogen base (ring of nitrogen)
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