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Biology Crosswords

To view or print a Biology crossword puzzle click on its title.

Title Instructions / Description Sample Puzzle Hints Difficulty
Kingdom Protista This is contains the nucleus. Animals and some protists are this. Used to digest food in an animal-like protist. Used to dispose of excess liquid. Protists live in this. Hard
Foundation in Biology the scientific study of life. organism that makes its own food using energy and simple raw materials from the environment. In multi-celled organisms, specialized cells organized in a pattern that allows them to perform a collective function. testable explanation of a natural phenomenon . statement based on a hypothesis. Big
Cell Biology Organelle where photosynthesis occurs. Reducing power molecule produced by plants. cAMP is called a secondary ________. Used to excite the reaction center of photosystem II and I. Electron donor for photosynthesis. Big
Cell Membrane Terms A form of active transport in which cells transport molecules outside of the cell. Contraction of the cell membrane of a plant or animal cell as a result of loss of water from the cell. A state in which opposing forces or influences are balanced with particles still moving in and out of the cell, but at an equal rate. The process of particles, or solutes moving though a solution from an area with more particles to an area with less particles. The movement of materials across the cell membrane without using cellular energy. Hard
Biology Contains cell sap.. Basic unit of life. Unicellular organisms only have one cell. Multicellular organisms have many cells.. What happens to an enzyme in high temperatures and pH's. a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles.. Biological catalysts speed up chemical reactions. . Older Children
Cells An organelle that consists of chlorophyll.. A space within the cytoplasm of a cell surrounded by a membrane and usually contains fluid.. A group of specialized cells that hold a similar structure and function.. A cell membrane that lets certain molecules to pass through it. . A term used to describe biotic elements made of one cell. . Hard
Biology the loss or removal of nitrogen or nitrogen compounds; specifically : reduction of nitrates or nitrites commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air.. resources are environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem. . rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulfur and nitro. the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle.. the mass of living biological organisms in a given area or ecosystem at a given time. . Hard
Biology a plastid that contains chlorophyll. a space or vesicle within the cytoplasm of a cell. any of a class of small organelles. cells apart from prokaryotic cells. the central and most important part of an object. Older Children
Plant and Animal Cell Organelles that capture energy from sunlight to produce food for the cell. Sac that stores water, food, waste products, and other materials. Membrane that surrounds the nucleus. Self-replicating organelle that breaks down substances. Where microtubules are made; when divided, the two parts move to opposite sides of the dividing cell . Hard
Basic Biology Find the word that fits! The process in organisms of eliminating waste material. Things that do not breathe, reproduce, move, grow or show sensitivity. The basic unit of all living things. Organisms that grow, reproduce, use energy, breathe, move and excrete. The duration of life of a living organism. Big
Cell Theory & Cell Structure organelles that carry out photosynthesis. the first to identify cells, and he named them. fluid filled sac used for storage of materials needed by a cell. have a nucleus and other membrane bound organelles. surfaces of the ER that do not contain ribosomes . Hard
Biology Fill in all the blanks! One of two prokaryotic domains of life, the other being Archaea.. A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles. All organisms except bacteria and archaea are composed of eukaryotic cells.. An integrated group of cells with a common function, structure, or both. An organism that makes organic food molecules from C02, H20, and other inorganic raw materials: a plant, algae, or autotrophic bacterium. . A tentative explanation a scientist proposes for a specific phenomenon that has been observed. Hard
Ecology what is a stable mature community that has reached equillibrium. what is an organism that uses organic waste . what is the factor that tends to limit population size. what is the factor that does not depend on the number of individuals in the population. what is the connection from a producer, to a primary consumer, to a secondary consumer, to a tertiary consumer called. Hard
Inside a Cell stores water,food,and waste. no ribosomes,where lipids are made. make proteins. has ribosomes,where proteins are made. stores DNA,controls the activities of the cell. Older Children
Cell Organelles Stores water and wastes in plant cells. Animal cells have smaller versions of this organelle. . Barrier between the inside of the cell and the outside environment. Regulates what gets in and out of the cell. . Attaches amino acids into a chain creating a protein. . Repackages and modifies lipids and proteins.. Provides structural support for the cell. . Hard
Biology Attraction of molecules of the same substance.. Macromolecule made mainly from carbon and hydrogen atoms; includes fats, oils, and waxes.. Protein that acts as a biological catalyst.. Weak acid or base that can react with strong acid or base to help prevent sharp sudden changes in PH.. Basic unit of matter.. Big
Biology a slight attraction that develops between the oppositely charged regions of nearby molecules. atom of an element that has the same number of neutrons different from that of other atom of the same element. attraction between molecules of the same substance. weak acid or base that can react with strong acids or base to help prevent sharp, sudden changes in pH. indicated the concentration of H+ ions in a solution. Hard
Biology the change a carrier protein undergoes. contains the pink colouring in the beetroot. this is the colour in the cell. proteins contained within the plasma membrane. a type of intergral protein. Hard
Plant and Animal Cells Makes food for a plant cell. Stores food, water, and waste. Who discovered cells?. All living things are made of. Smallest unit of life. Big
Cells captures the light energy from the sun to make food. stores substances such as food, water and waste products. the basic unit of life. the smallest particle of an element that still has the properties of that element. information and control center of the cell. Hard
The Study of Life Match the definitions with the correct vocabulary word. The scientific study of all forms of life, or all types of organisms.. Proposed answer for a scientific question.. A physical environment with different species that interact with one another and with nonliving things.. Allow scientists to test hypothesis and find out how something happens.. An inherited trait that gives an advantage to individual organisms and is passed on to future generations.. Hard
Genetics What is the branch of Biology that deals with the heredity of an organism?. Who discovers alkaptonuria?. What do you call the physical characteristic of a living organism?. What do you call the organism that have 2 different alleles for a trait?. What do you call the diagram used to determine genetic process?. Hard
Fauna and Flora people, their tradition, values and way of life . A set of relationship between plant and animal within an area. protect plant for scientific, education or decorative. Animals and their natural habitat. killing animal for sport . Hard
Human Biology Intro to Anatomy Large structures that can be seen with naked eye. Gross structures. A group of similiar cells that have a common function. System that circulates blood, with nutrients, oxygen and wastes. makes up ;arge percentage of the body, provides watery environment for chemical reactions. The breaking down of ingested food materials so it can be used by the cells. Very Difficult
Living Organisms Complete the puzzle using capital letters Elimination of urine and sweat from the body. Living beings need this for their growth. Micro-organism. Lemon, mango, jackfruit, coconut tree. Wheat, paddy, mustard, cucumber. Big
Flora and Fauna Tree that can live upto 200 years. Insectivorous plant. Ship of Desert. The snake which rolls over and plays dead to escape from predators. Sap of this tree is used for making tyres and erasers. Hard
Cell Biology In plant cell. Captures energy from sunlight. Uses energy to produce cell food, which is sugar. . In animal cells, contains chemicals that break down certain material. Breaks down doead cells.. Transports and stores materials, including waste in animal cells. Directs all cell actions, including reproduction in both types of cells.. In plant cells, stores water, food, waste and more for a plant cell.. Hard
Women in the Bible A Who's Who of the Bible's Notable Females Took the shears to Samson's locks.. Aged Jewish prophetess who foretold of Jesus in the temple of Jerusalem.. Wife of Moses. Wife of Cleophas; was present at the Crucifixion.. Mistook the risen Christ for the gardener.. Hard
Cells & Organelles when particles are enclosed in a vesicle and released from the cell. movement of particles across a cell membrane without the use of energy. a scientific theory that describes the characteristics of a cell and organisms. the smallest unit of living matter. a structure made up of a collection of tissues that carry out a specialized function. Hard
Ecology An organism, such as a green plant, that produces its own food through photosynthesis;first trophic level in the food chain. a class of relationships between two organisms where one organism benefits from the other without affecting it.. A plant-eating organism. An organism that can make its own food. refers to the way in which an organism fits into an ecological community or ecosystem. Older Children
Ecology The order in which animals feed on plants and other animals (shows how energy flows from producer-consumer-decomposer). The continuous series of processes in which nitrogen passes from the air into the soil, then into an organism, and then back into the air is called the _________________ cycle.. All the living and nonliving things in an area and their interactions. The continuous circulation of water between the Earth’s surface and the atmosphere is called the _________ cycle.. The part of the ecosystem that is not alive and has never been alive . Hard
Genetic Engineering prokaryotic organisms which contain plasmids. technology used to determine paternity by creating a unique banding pattern. Every individual has their own unique pattern. the investigation of crimes. a genetically identical copy of an organism. polymerase chain reaction (abbrev.) used to amplify DNA. Hard
Genetics the scientific study of heredity. form of a gene. specific characteristic. having different letters or alleles. diagram that shows possible gene combinations. Older Children
Invertebrate Complete the croosword by using the clues to fill in the blanks! String of rectangular body sections in a tapeworm. More complex than freshwater hydrozoans. Clusters of amoebocytes encased in protective coats. Tiny openings or pores through water enters. Animals that neither posses or develop a vertabrel column. Hard
The Cell Cycle the phase where the chromosomes line up along the middle or equator of the cell. the center of the pair of sister chromatids. a long loose strand of DNA, usually present during interphase. when the sister chromatids separate and go to opposite sides of the cell. a fairly harmless type of cell growth in cancer. Big
Microbiology Complete the microbiology crossword below. Developed in 1884 and is the most used technique to study bacteria by dividing them into two groups.. A parisite that is spread by mosquitoes that causes malaria.. A type of immunity when most of the population gets vaccinated so viruses do not get easily spread.. A zooflagellate that causes the African sleeping sickness.. An infectious virus that uses a host cell to replicate itself.. Hard
Theory of Evolution A young organism that develops from a zygote. A difference between individuals of the same species. A trait that helps an organism survive and reproduce in its environment. The gradual change in species over time. The scientist that developed the theory of evolution. Older Children
Biology Habitats and Adaptations Above ground roots that a mangrove uses to store oxygen.. Many plants living in this type of habitat have waxy leaves to reduce water loss.. Due to poor light absorption, some marine mammals have evolved to use this…. Organisms that live predominantly in trees.. A deep winter sleep.. Hard
Kindom Protista Match the group of protists with their correct description protists that contain chlorophyll a and b. a mixotrophic protist with both animal and plant characteristics; unicellular. protist that uses the Anopheles mosquito as a vector to transmit Malaria to humans. protists that are multicellular seaweeds; used to make agar, chocolate and cosmetics. foraminiferans and radiolarians have a skeleton made of this material which can cover up to 4000m of the sea floor. Hard
Living Things a young plant. a part of a of a plant that contains chlorophyll, the green pigment plants need to make their food. an animal without a backbone. the basic building block of life. a cell's control center. Hard
Heredity The study of heredity . A characteristic . An organism with two unlike alleles for a trait . A chart used to show the possible combos of alleles that shows the result of genetic cross. The passing of physical trait to the offspring. Hard
Microbes What bacteria does to healthy cells.. The first organism to live on Earth.. Bacteria help ______ dead organisms into useful nutrients in soil.. Bacteria is identified and classified by it's ____________.. This man learned how to use heat to kill bacteria.. Hard
Cells and Chromosomes Like a storage area in the cell.. Produce proteins for the cell and for export.. The packaging center of the cell.. The place where chromosomes stay.. This structure surrounds the cytoplasm and acts like a gate.. Hard
Cell Chemistry Work or operate in a proper or particular way.. Large amount of a substance moving or transferring into another place.. Act or process of burning.. Luminous energy is the percieved energy of light. Sometimes called quantity of light.. make solution of as by mixing with a liquid pass into solution.. Hard
Biomass a way biomass can be used to create energy using heat. a gas that decaying biomass produces. the act of collecting a crop once it is grown. large tub used for heating water to produce steam which helps produce energy. can't be created as quickly as it is used. Hard
Prokaryotes an organism that can live with or without oxygen. an organism that gets its energy from chemicals taken from the environment. a bacterial capsule that is made of a fuzzy couat of sticky sugars. a protective layer of polysaccharides around the cell wall. the transfer of genetic material in the form of DNA fragments from one cell to another or from one organism to another. Hard
Microbiology 2 used reduced inorganic molecules as source of hydrogen and/or electrons . phase of bacterial growth curve where bacteria is actively growing; cell # increase at a steady rate. study of viruses . a symbiotic relationship in which one organism benefits and the other one is neither benefited nor harmed by the relationship. decolorizing agent in gram stain. Hard
Biology study of life sciences. the necessary items for a particular purpose. the structural, functional and biological unit of all organisms. a vessel used to boil liquids in a lab. a vessel with a flat bottom and narrow neck used for mixing. Older Children
Heredity patterns of inhereitance and variations in organisms(study of heredity). a chart constructed to show an inheritance pattern of a family through generations. inherited traits from parent to offspring. physical characteristic . genetic makeup. Big
Cloning Applied science. Made by human work not natural. Make an exact copy of an animal or plant. Complete set of genes. All the people born and living about the same time. Older Children
 
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