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65 Cards in this Set

  • Front
  • Back
a seed sprouting a root, a stem, and a leaf
germination
electricity produced by flowing water
hydroelectricity
the most similar members of a genus belong to a ______
species
the splitting of a nucleus with a large mass intow two nuclei with smaller masses
nuclear fission
a microscopic particle made of hereditary material and a protein coat; it can reproduce inside a living cell
virus
the excess heating of the environment
thermal pollution
a cell that can develop into an adult organism without fertilization
spore
a device that generates an electric current from sunlight
solar cell
the changes of body form that some animals go through in their life cycle
metamorphosis
Plants convert the sun's energy into chemical energy stored in compounds called ________
carbohydrates
heating foods to destroy bacteria
pasteurization
the mergiong of nuclei with smaller masses into a nucleus with a larger mass
nuclear fusion
living things which are so small they can only be seen with a microscope
microbe
a reaction that is kept going by products of the reaction
chain reaction
the term for the wide variety of life on earth
biodiversity
getting energy from plant and animal materials by changing them into high-quality fuels
biomass conversion
all the populations living together in the same place
community
the diffusion of water through a cell membrane
osmosis
A group of similar cells working together to do certain jobs
tissue
the diffusion of water through a cell membrane
osmosis
all the organisms of the same kind living together in the same place
population
The body is made of _____% water
70
different organs working together to do certain jobs
organ system
carbon compounds that release energy in larger amounts than carbohydrates
lipids
(fats)
any living thing that can carry out its own life activities on its own
organism
contain a code that allows your cells to build proteins and are found in the chromosomes in the nucleus as wellas in structures throughout the cytoplasm
nucleic acids
the removal of wastes produced by living things
excretion
the food making process in producers using sunlight
photosynthesis
A group of diferent tissues working together to do certain jobs
organ
the movement of molecules through a cell membrane, requiring energy
active transport
the intake and use of food by all living things
nutrition
the German scientist who discovered that cells divide to form new cells
Rudolf Virchow
the living and nonliving things in an area interacting with each other
ecosystem
__________ refers to how much energy is in food
calories
What is the basic unit of life?
cell
a group of carbon compounds that include sugars and starches
carbohydrates
the process by which living things produce offspring
reproduction
carbon compounds needed for cell growth and repair
proteins
to increase in size or in the amount of material contained
growth
the division of the the nucleus while a cell is dividing into two identical cells
mitosis
the largest group used to classify things
kingdom
the movement of molecules from higher to lower concentration
diffusion
a kind of sexual reproduction in which one parent cell divides into two offspring cells
fission
the release of energy from sugar molecules
respiration
a main group within a kingdom, whose members share a main characteristic
phylum
a form of respiration without oxygen
fermentation
the production of a new organism from two parents
sexual reproduction
a green structure in a plant cell where food is produced
chloroplast
What do all protoists have in common?
all cells contain a true nucleus
the remains of ancient plants and animals
fossils
the division of the nucleus resulting in cells with half as many chromosomes as other cells
meiosis
a sac-like storage space in a cell
vacuole
a kind of sexual reproduction in which two parent cells join and exchange material before they divide
conjugation
a model of how the energy in food is passed from organism to organism in an ecosystem
food chain
the female sex cell
egg
a rod-shaped structure that supplies the cell with energy
mitochondrion
a kind of sexual reproduction in which a new organism develops from a bump (bud) on the side of the parent
budding
a cell's outer covering
cell membrane
the production of a new organism from one parent
asexual reproduction
a gel-like substance inside the cell membrane, where most cell activities occur
ctyoplasm
the joinging of an egg and a sperm into one cell
fertilization
the densest part of a cell, which controls a cell's activities
nucleus
the male sex cell
sperm
a strand in the nucleus that stores directions for cell activities
chromosome
a stiff covering outside the cell membrane of a plant cell
cell wall