CSET 2: Science Glossary

process through which organisms make nutrients available to cells

rate of change of an object's velocity

solute that donates protons

movement n collision of gas molecules in the atmosphere that can form into high- or low-pressure areas

different versions of a gene in a population

flowering plants

important class of plant hormones associated w/ growth patterns

solute that accepts protons

reproductive mechanism of prokaryotes

biological molecules that have important roles in energy metabolism n storage as well as the structure of cells n organisms

system comprised of the brain n spinal cord in vertebrates that processes n stores information

excess or deficiency of electrons in a body

system for transporting nutrients n other essential materials throughout the body

study for the patterns n mechanisms of the transmission of inherited traits from one generation to another

long-term patterns of temperature, humidity and amount of sunshine

the process by which gas reverts back into the liquid phase

outermost layer of the Earth

the process by which a gas changes directly to the solid phase

genetic material that contains genes responsible of the physical traits observed in all living organisms

study of what causes motion

community n its abiotic environment

flow of a charge

network of glands n tissues that secrete hormones

framework for the attachment of skeletal muscles in vertebrates that also protects vital organs

calendar dates when the day n night are the same length

multicellular organisms whose cells contain organelles

process by which liquid changes into the gas phase

hard external skeleton that covers all the muscles n organs of some invertebrates

process of fertilization in vertebrates that reproduce in water

weakened narrow zones in tectonic plates

union of an egg nucleus w/ sperm nucleus

quantitative measure of the ability to contribute alleles n traits to offspring

simple linear relationship between series of species, w/ on eating the other

depiction of the relationships w/in a community in which every population interacts w/ several other populations

push or pull on an object

process by which a liquid changes into a solid

huge cluster or stars n nebulae

sex cells produced through meiosis in males n females

sum total of all alleles in a population

molecules that store n transfer genetic info

an organism's genetic composition

attractive force felt by all forms of matter

nonflowering plants

gametes that, when joined, produce diploid offspring

chemical messengers produced in one tissue n carried by the blood to act on other parts of the body

an explanation for one or more observations about the natural world

body's system of protection against invasion by unwanted organisms

development of an embryo to an adult

specialized form of eukaryotic cell division involving male n female gametes

proces by which a solid changes into a liquid

naturally occurring, inorganic, crystalline solids

asexual reproductive process of eukaryotic cells in which cells divide to form 2 daughter cells w/ the same genetic makeup as the parent cell

essential info molecules found in all living things

chemicals that contain carbon, inorganic compounds do not contain carbon

large anatomical structures made from several tissues

processes of mt formation

simple diffusion of water from a region of lower solute concentration to a region of higher solute concentration

female gamete

appearance n physical expression of genes in an organism

foundation of all eosystems wherein plants generate their own energy from the energy of the sun

grp of members of the same species found in a given environment at a given time

rate at which work is done

consumption of one organism by another

unicellular organisms w/ a simple cell structure

bodily system used to transport oxygen to cells n rid body of waste products like carbon dioxide

polymer of nucleotides associated w/ the control of cellular chemical activities

accepted method for testing scientific hypotheses

calendar dates when the days are longest or shortest

maximum amt of that substance that can be dissolved in a particular solvent at a particular temperature

in a solution, substance that does the dissolving; what is dissolved is known as the solute

creation of new species

grp of similar organisms that can produce viable offspring

male gamete

force that must bve overcome to set an object in motion

layer of the atmosphere located above the troposphere in which most of the atmosphere's ozone is found

process by which a solid changes directly to the gas phase

relationship between organisms in which they share an intimate, often permanent coexistence

the science of classifying n naming living things

thick slabs of rock that compromise the outer portion of Earth

tested hypothesis

maintenance of a particular temperature of the living body

alternate rising n falling of the surface of the ocean caused by the gravitational attraction of the Sun n Moon occurring unequally on different parts of the Earth

specialized cells w/ a common function n similar form in multicellular organisms

layer of the atmosphere located closest to the Earth's surface in which weather occurs

asexual reproductive process of many plants, including bulbs n tubers

diploid single cell offspring formed from the union of gametes