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chapter 2 benecells

living things have cells.

The smallest unit that can perform all life processes is called? cell
All living things are composed of one or more _________ cells
Anything that causes a reaction or change in an organism or any part of an organism. stimulus
The mainenance of a constant internal state in changing environments. homeostasis
Reproduction in which the sex cells unite. sexual reproduction
Reproduction that does not invole the union of two parents sex cells. asexual reproduction
The passing down of genetic traits from parent to offspring. heredity
The sum of all chemical processes that occur in an organism. metabolism
an organism that can make its own food by using energy from its surroundings producer
an organism that eats other organisms or organic matter. consumer
an organism that breaks subastances down or the remains of other organisms. decomposer
A molocule that is made up of amino acids and that is needed to build/repair body structures and to regulate processes in the body protien
a class of energy that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen. carbohydrates
A type of biochemical that does not dissolve in water. lipid
a lipid that contains phosphorus and that is a structural componenent in cell membranes. phospholipid
A molocule that acts as the main energy source for cell processes. ATP
A molocule made up of subunits called nucleotides. nucleic acid
DNA is an expample of what? nucleic acids
what are two kids of lipids? fats and oils
what are the four(4) things all organisms need to live? water, air. food, a place to live
a mushroom is a ________ decomposer
a frog is a _____ comsumer
a green plant is a _____ producer
spider webs, hair, horns, and feathers are _____ protiens
when phospholipid molocules come together in water, they form ____ ____ two layers
the extra sugar in a potato plant is stored as starch as a ________ _________ complex carbohydrate
A single parent produces offspring identical to the parent through _______ _________ asexual reproduction
Most single-celled organisms reproduce through ________ reproduction asexual
Most animals and plants reproduce through _______ reproduction sexual
What does DNA do? DNA controls the structure and function of cells.
What do organisms pass in to their offspring? copies of their DNA
The passing of traits from parents to their offspring is called? heredity
Created by: jenniferkay.bene