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Terms in this set (91)
Something distinctive. A marking. Same thing as a trait.
An individual living thing.
To group by traits. Systematic arrangement.
Highest level of classification, contains the highest (largest) number of organisms.
Made up of species, first part of the scientific name. (Plural: Generra)
Most specific level of classification, 2nd part of the scientific name. This includes only one type of organism.
Makes its own food.
Eats other organisms for food.
Some materials can pass through, others can't.
Diffusion of water across a selectively permeable membrane.
Solution with dissolved materials the same inside and outside the cell.
Solution with dissolved materials greater outside the cell.
Solution with dissolved materials lower outside the cell.
Cell uses energy to move materials to an area where it is more concentrated.
Cell membrane folds to bring in large particles.
Cell membrane folds to remove large particles from the cell.
The maintenance of a constant internal state in a changing environment.
Cell with a nucleus and membrane-bound organelles.
Cell without a nucleus.
Particles move from higher concentration to lower concentration.
Concentration is constant.
A spherical organelle filled with enzymes that can digest organic compounds.
Organelle which controls the cell and has genetic information.
Organelle that converts food to chemical energy, th powerhouse of the cell.
Organelle which makes proteins. They are located on the rough endoplasmic reticulum.
A system of membranes and sacs (tubes) that can move materials from one part of the cell to another.
The jel-like material between the cell membrane and the nucleus.
Organelle that converts the sun's energy into food during photosynthesis.
Rigid outer layer of some cells (plant, fungi).
Controls the movement of materials into and out of the cell.
A structure on which genes (DNA) are carried.
A system of membranes that changes, sorts, and packages proteins to be stored in the cell or secreted out of the cell.
A sac-like structure in some cells that stores water, enzymes, and waste.
Process by which plants use sunlight to make food.
Sugar is broken down to release energy for the cell.
How cells obtain energy when oxygen is not available.
Group of related cells working together.
Group of related tissues working together.
Group of related organs working together.
Supports the body, produces blood cells, protects internal organs, and stores minerals to help the body move.
Works the skeleton to help the body move.
Barrier against infection, regulates temperature. Includes the skin, hair, and nails.
Controls and coordinates the body, responds to stimuli.
Brings oxygen into the body and removes carbon dioxide.
Brings oxygen and nutrients to the cells. Removes wastes and carbon dioxide form the ccells. Regulates temperature.
Converts food into molecules that can be used by the body.
Helps protect the body from disease.
What controls a trait that is passed on from parent to offspring.
One form of a gene for a specific trait.
An allele that always shows up even if another is present.
An allele that is expressed only when two such alleles are present.
The combination of alleles an organism inherits for a trait (total genetic makeup).
The version of a trait that is expressed in an organism (what it looks like).
Diagram showing all the possible combinations of alleles that might result from a cross between two organisms.
A distinguishing mark or quality or physical makeup.
An organism with two identical alleles for a trait.
An organism with two different alleles for a trait.
2 parents, offspring with a new combination of genetic material.
Sperm cell joins with egg cell to form a Zygote.
Sex cells produced with half the number of chromosomes of a normal cell.
One parent, genetically identical offspring.
A small organism grows from the body of the parent, then it breaks off to continue growing on its own.
Humans use naturally occurring genetics to pass desired traits on to generations of plants and animals.
Moving genetic material from one organism and putting it into another.
Using genetic material from one organism to create a genetically identical organism.
A living part of an ecosystem.
A non-living part of an ecosystem.
Makes its own food from the sun (photosynthesis). Contains chlorophyll.
Gets food by eating others.
Eats both plants and animals.
Breaks down dead organisms and wastes.
Overlapping food chains.
A relationship in which two different organisms live in close association with each other.
All of the populations of species that live in the same habitat and interact with each other.
The study of the interactions of living organisms with one another and with their environment.
The part of the earth where life exists.
All the members of a species in an area.
The largest population an ecosystem can support over time.
The environmental factor that causes the population to decrease.
Climax (mature) Community
The stage at which a community of plants and animals reaches its full development and tendss to change no further.
Growth of a community in an area where other organisms have not previously lived. Usually on a bare rock.
The regrowth of a second community after the original is destroyed.
The number and variety of organisms in a given area during a specific period of time.
The replacement of one community by another at a single place over a period of time.
The struggle between organisms to use the same limited resources.
A relationship in which both benefit.
A relationship in which one benefits and the other is not helped or hurt.
A relationship where one organism lives on or in another and causes harm.
The organism on or in which a parasite lives.
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