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31 Cards in this Set

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Abiotic

Non living organisms

Air, water, temperature

Biotic

Living organisms

Plants, animals, humans

Range of tolerance

Limiting factors that regulate or control organisms

Ecosystem

A community of different organisms; both biotic and abiotic

Symbiosis

Interaction between two organisms

Biodiversity

Variety and variability of life on earth

Conservation biology

Study of human impacts on biodiversity

Anthropogenic

Influence of human impacts on biodiversity

Pollution

Air, water, soil, food

3 factors affecting human population size

1. Birth rate


2. Death rate


3. Migration

Matter

All living things; biotic and abiotic

Atom

Smallest unit of matter

Chemical elements

Carbon, oxygen, hydrogen, nitrogen

Physical characteristics

Solid, liquid, gas

Bonds

Energy that holds atoms together

Types of bonds

1. Covalent: sharing elections


2. Ionic: unequal attraction

Chemical compounds

1. Inorganic: lack carbon


2. Organic: carbon is major structural component

Where freshwater exists

1. Lakes


2. Rivers


3. Glaciers

3 examples

Properties of water

1. Cohesion: Transport of water and nutrients in plants


2. High heat capacity: Water changes temperature very slowly


3. Solvent: breaks down other compounds


4. Lubricant: reduces friction

Earth structure

1. Erosion: surface material is dissolved


2. Weathering: large rocks are broken down

Hydrogen sulfide

Thermal vents

Ph

1. Acids: more H+


2. Base: more OH-

Lipids

Fats: phospholipids

Protein

Carrying out all the functions necessary for life

Function of proteins

Catalytic, contraction, immunology, regulate, transport

Carbohydrates

1. Monosaccharides: Simple sugar, glucose


2. Disaccharides: table sugar, sucrose

Vitamins

Organic compounds:


1. Fat soluble: stored in body


2. Water soluble: must be regularly consumed

Examples


1.spinach, milks, veggies


2. Peppers, broccoli, citrus fruits

Minerals

Inorganic

DNA

1. Transcription: information to form RNA


2. Base pairs: A, T, G, C

RNA

1. Translation: protein synthesis


2. Base pairs: "T" replaced by "U"

Other organic compounds

1. Nucleotides: building blocks of DNA & RNA


2. Nucleosides: building blocks of ATP&ADP


3. Hydrocarbons: methane