Level 6 Science Block 2
Terms
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- 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
- 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