Type
Crossword
Description

A living thing that eats to survive. Animal
Prokaryotic, means ancient 'something'. Archaebacteria
Creates food via photosynthesis. Autotroph.
Single - celled, prokaryotic organism. Bacteria
A gas used in photosynthesis. Carbon Dioxide
The smallest functional unit of life. Cell
An organism that obtains food by breaking down detritus. Decomposer
Matter produced by the decay of dead organisms. Detritus
It makes up the genetic material in most organisms. DNA
A cell that has a nucleus. Eukaryote
A decomposer. Mushrooms. Fungi
Genetic material that can be passed down through generations. Gene
The material within a cell that determines how it functions. Genetic Material
An organism that eats to get its food. Heterotroph
The highest level of classification. Kingdom
An organism. Living Thing
A scientist who studies the chemicals that are essential to life. Molecular Biologist
An organism that is made up of more than one cell. Multicellular Organism
A structure within a eukaryotic cell that contains genetic material. Nucleus
A living thing. Organism
A process to convert sunlight into food. Photosynthesis
A small segment of the frond of a fern. Pinna
An organism that gets its food through photosynthesis. Plant
A cell without a nucleus. Prokaryote
Single - celled prokaryote. Protists
An organism that consists of a single cell. Unicellular Organism

Microorganism crossword puzzle

Type
Crossword
Description

An organism too small to see with the human eye Microorganism
Favorable or advantageous; resulting in good. Beneficial
Causing or likely to cause harm. Harmful
Single-celled organisms without an organized nucleus Bacteria
A sub-microscopic infectious agent that is able to grow or reproduce only within a host cell Virus
A single-celled or multi-celled organism with a simple biological structure Protist
an organism made of many cells that cannot make its own food and cannot move; a member of the kingdom Fungi: Many fungi, like mushrooms, live on dead plant or animal material. Fungus
A microscopic fungus consisting of single oval cells that reproduce by budding, and are capable of converting sugar into alcohol and carbon dioxide Yeast
To break down into nutrients. decompose
A fungus that grows in the form of multicellular filaments called hyphae. In contrast, fungi that can adopt a single-celled growth habit are called yeasts. ... The network of these tubular branching hyphae, called a mycelium, is considered a single organism. mold
A kind of single-celled organism in kingdom Protista able to move by itself AMOEBA
Individual microscopic organism with no nucleus prokaryotic
Having complex cells in which the genetic material is contained inside a nucleus eukaryotic

Cell organelles and functions Crossword

Type
Crossword
Description

Basic unit of a chemical element Atom
A group of atoms bonded together Molecule
the smallest structural and functional unit of an organism, Cell
an organelle found in large numbers in most cells Mitochondria
the material or protoplasm within a living cell Cytoplasm
study of cell structure and function Cell biology
the semipermeable membrane surrounding the cytoplasm of a cell. Cell membrane
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place. Chloroplast
a dense organelle present in most eukaryotic cells Nucleus
any of a number of organized or specialized structures within a living cell. Organelles
single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles Prokaryote
organism whose cells contain a nucleus surrounded by a membrane Eukaryote
a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria Cell wall
A sphere-shaped structure within the cytoplasm of a cell that is composed of RNA and protein and is the site of protein synthesis Ribosomes
a network of membranous tubules within the cytoplasm of a eukaryotic cell Endoplasmic Reticulum
It is another packaging organelle like the endoplasmic reticulum Golgi Complex
transport of materials within the cytoplasm. Vesicles
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane. Lysosomes
Theory that states that cells are the basic units of structure and function in living organisms. Cell theory

Prokaryotic and Eukaryotic cells Crossword

Type
Crossword
Description

What are the smallest units of life? cells
what is in the center of our cells? nucleus
What is a microscopic single-celled organism? Prokaryote
What is an organism consisting of a cell? Eukaryote
What is the semipermeable membrane surrounding the cytoplasm of a cell? cell membrane
Several structures with specialized functions, suspended in the cytoplasm of a eukaryotic cell organelle
What are the food producers of the cell? chloroplast
What are known as the powerhouses of the cell? mitochondria
What are the protein builders or the protein synthesizers of the cell? ribosomes
What is a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells? Golgi bodies
What are organelles that contain digestive enzymes? lysosome
What is the material or protoplasm within a living cell, excluding the nucleus? cytoplasm
What is a tough and rigid outer layer that protects the cell and gives it shape? cell wall
What is a gelatinous layer forming the outer surface of some bacterial cells? capsule
What is a whip-like structure that allows a cell to move? flagellum
What is a small dense spherical structure in the nucleus of a cell during interphase? nucleolus
What is an irregularly shaped region within the cell of a prokaryote? nucleoid
What is a molecule that encodes genetic information for the development and functioning of living organisms? DNA
What is the colorless material comprising the living part of a cell? protoplasm
What is a network of membranous tubules within the cytoplasm of a eukaryotic cell? endoplasmic reticulum

Taxonomy Crossword Puzzle

Type
Crossword
Description

a cell that contains free D.N.A prokaryote
a cell that contains a nucleus eukaryote
an organism that makes its own food autotroph
an organism that eats other organisms heterotroph
an organism that contains only one cell unicellular
an organism that contains multiple cells multicellular
a domain or kingdom that contains bacteria that lives in extreme envirenment archaea
a domain or kingdom that contains bacteria that live everywhere bacteria
a kingdom that contains eukaryotic microscopic organisms protista
a kingdom that contains mushrooms fungi
a kingdom that contains eukaryotic autotrophic organisms that are sexual or asexual plantae
a kingdom that contains eukaryotic heterotrophic organisms that reproduce sexually animalia
a taxonomic rank kingdom
highest taxonomic rank of organisms domain
an organism that had will or has life biotic
an organism that will NEVER have life abiotic
the most important part of a eukaryotic organism nucleus
the most important part of a prokaryotic organism free DNA
a way of reproduction that requires 2 sets of D.N.A sexual reproduction
a way of reproduction that requires only 1 set of D.N.A asexual reproduction

Cells Answer Key Crossword

Type
Crossword
Description

The basic building blocks of all living things. Cell
A group of similar cells that live and work together Tissues
A collection of tissues joined in a structural unit to serve a common function. Organ
A group of organs that work together to perform one or more functions. Organ System
An individual life form. Organism
Surrounds the cytoplasm of a cell and gives the cell structure and support. Cell Membrane
A gel-like substance inside the cell that contains all the cell parts and organelles. Cytoplasm
A group of tissues that work together to perform a specialized function or functions. Organelles
Molecules that contain all the genetic material and traits for each organism. DNA
Molecules are single stranded nucleic acids composed of nucleotides. RNA
A type of plastid that contains chlorophyll which is where photosynthesis takes place. Chloroplast
An organelle that modifies,sorts,and packs molecules and stores or sends it when needed. Golgi Complex
Often known as the "powerhouses" of the cell, this organelle generates energy for the cell through cellular respiration.​This means it takes in nutrients from the cell, breaks it down, and turns it into energy. Mitochondria
An organelle in both plant and animal cells that provides support and participates in a variety of cellular functions including storage, protection, and growth. Vacuole
Sacs of enzymes that digest food, water, and waste Lysosomes
Extensive network of membranes composed of both regions with ribosomes (rough ER) and regions without ribosomes (smooth ER). Endoplasmic Reticulum
Tiny structures bound by a membrane that contain enzymes that produce hydrogen peroxide as a by-product. Peroxisomes
The outermost covering of a cell that protects the cell and gives it shape & support. Cell Wall
Multicellular organism Eukaryote
Unicellular organism Prokaryote
Organisms made up of only one cell Unicellular Organisms
Organisms made up of two or more cells Multicellular Organisms
Chemical compound that contains carbon atoms. Organic Compound
Molecules that allow organisms to transfer genetic info from one generation to the next. There are two types of nucleic acids: DNA and RNA. Nucleic Acid
Consisting of RNA and proteins, they are responsible for protein production and assembly. Ribosomes
A substance made entirely of one type of atom. Element
The smallest unit of a substance that maintains the properties of that substance. Atom
Membrane bound structure that contains the cell's hereditary information and DNA. Also controls all of the cells activities. Nucleus
A membrane which surrounds the genetic material and nucleus in eukaryotic cells. Nuclear Membrane
A structure inside the cell nucleus that rewrites ribosomal RNA (rRNA) and combine it with proteins, results in the formation of incomplete ribosomes. Nucleolus
Tubelike structures that aid in cell division and Celiogenesis, are generally are found close to the nucleus Centrioles
A theory that descibes the basic characteristics of all cells and organisms. It is one if the foundational ideas of modern biology Cell Theory

Classification of Living Things Crossword

Type
Crossword
Description

A group of organisms that are closely related and can mate to produce fertile offspring species
The level of classification that comes after family and that contains genus
in a taxonomic system, one of the three broad groups that all living things fall into; bacteria, archaea, and eukarya. domain
a domain made up of prokaryotes most of which are known to live in extreme environments that are distinguished from other prokaryotes by differences in their genetics and in the makeup of their cell wall. achaea
a kingdom made up of complex, multicellular organisms that are usually green, have cell walls made of cellulose, cannot move around, and use the sun’s energy to make sugar by photosynthesis. plantae
An organism that cannot make its own food and instead obtains its food and energy by taking in organic substances. Heterotrophic
– a kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment. animalia
a kingdom made up pf nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores, and get food by breaking down substances in their surroundings and absorbing the nutrients. fungi
a domain made up of prokaryotes that usually have a cell wall and that usually reproduce by cell division. bacteria
-in a modern taxonomic system, a domain made up of all eukaryotes; this domain aligns with the traditional kingdoms Protista, Fungi, Plantae, and Animalia Eukarya
Organisms that make their own food. Autotrophic
a kingdom of mostly one-celled eukaryotic organisms that are different from plants, animals, archaea, bacteria, and fungi. Protista
the most general of the seven levels of classification of organisms. kingdom

Cell Unit Vocabulary Crossword

Type
Crossword
Description

What are the basic building blocks of life? Cells
This cell is eukaryotic with no cell wall Animal Cell
This cell is eukaryotic with a cell wall Plant cell
A structural layer that surrounds some types of cells it can be tough, flexible, and sometimes rigid Cell wall
The basic building block of life Cell
Is a scientific theory which describes the properties of cells. Cell theory
Separates the interior of all cells from the outside environment. Cell membrane
a plastid that contains chlorophyll and in which photosynthesis takes place. Chloroplast
a gel-like substance that fills the cells of living organisms. Cytoplasm
is any organism whose cells contain a nucleus and other organelles enclosed within membranes. Eukaryotic
n activity or purpose natural to or intended for a person or thing Function
an organelle containing degradative enzymes enclosed in a membrane. Lysosomes
An organism that has more than one cell is ___________? Multicellular
An organism that has no more than one cell Unicellular
Any of a number of organized or specialized structures within a living cell Organelles
consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells. Ribosomes
A storage in the cell Vacuole
A non-living thing Abiotic
A living thing Biotic
he tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. Homeostasis
produces food for green  plants by synthesizing simple sugars Clorophyll
The material of which the chromosomes of organisms other than bacteria are composed. It consists of protein, RNA, and DNA. Chromatin
forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae. Endoplasmic Reticulum
a slender threadlike structure, especially a microscopic whiplike appendage that enables many protozoa, bacteria, spermatozoa, etc., to swim. Flagella
A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport. Golgi
The organelle that produce energy for the cell through cellular respiration, and are rich in fats, proteins, and enzymes-see cell illustration. Mitochondria
a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material. Nucleus
a process used by plants and other organisms to convert light energy, normally from the Sun. Photosynthesis
single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles Prokaryotic

Cells Crossword

Type
Crossword
Description

Basic unit of life Cell
any of a number of organized or specialized structures within a living cell organelle
any organism whose cells contain a nucleus and other organelles enclosed within membranes eukaryote
a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles prokaryote
energy factories of the cells mitochondria
In both types of cells. Controls what goes in and out of the cell. (Gatekeeper) cell membrane
Plant cell. Helps protect and support the cell. Gives a plant cell a shape Cell Wall
In both types of cells. Directs all cell actions, including reproduction nucleus
a minute particle ribosome
a type of organelle in eukaryotic cells that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae endoplasmic
the first chamber in the alimentary canal reticulum
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane lysosome
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place chloroplast
It is another packaging organelle like the endoplasmic reticulum (ER) golgi
a complex structure within an organization or system apparatus
the material or protoplasm within a living cell, excluding the nucleus cytoplasm
lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells flagellum
is an organelle found in eukaryotic cells cilia

Cell Crossword Puzzle

Type
Crossword
Description

An organelle found in plants and algae that absorbs sunlight and uses it to drive the synthesis of organic compounds (sugars) from carbon dioxide and water Chloroplasts
A protective layer external to the plasma membrane in plant cells bacteria fungi and some protists; protects the cell and helps maintain its shape Cell Wall
A structure found in animal cells from which microtubules originate and that is important during cell division (contains two centrioles) Centrosome
The central vacuole is a cellular organelle found in plant cells. It is often the largest organelle in the cell. It is surrounded by a membrane and functions to hold materials and wastes. Central Vacuole
A narrow thread of cytoplasm that passes through the cell walls of adjacent plant cells that allows connections between them. Plasmodesma
A digestive organelle in eukaryotic cells; contains hydrolytic enzymes that digest engulfed food or damaged organelles Lysosome
The contents of a eukaryotic cell between the plasma membrane and the nucleus; consists of a semi-fluid medium and organelles; can also refer to the interior of a prokaryotic cell Cytoplasm
A cell structure consisting of RNA and protein organized into two subunits and functioning as the site of protein synthesis in the cytoplasm; in the eukaryotic cells the ribosomal subunits are constructed in the molecules Ribosomes
organelle composed of a double membrane that acts as the storehouse for most of a cell's DNA Nucleus
A bean-shaped organelle that supplies energy to the cell and has its own ribosomes and DNA Mitochondria
The thickest of the three main kinds of fibers making up the cytoskeleton of a eukaryotic cell; a hollow tube made of globular proteins called tubulins; found in cilia and flagella Microtubules
That portion of the endoplasmic reticulum with ribosomes attached that make membrane proteins and secretory proteins Rough ER
The portion of the endoplasmic reticulum that lacks ribosomes centrioles/ A small cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division. Smooth ER
A small cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division. Centrioles
A thin flexible layer around the cells of all living things; it's job is to separate the cytoplasm from the cell's surroundings Cell Membrane
A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport. Golgi Body

Characteristics of Life Crossword

Type
Crossword
Description

Liquid part of a cell inside the cell membrane Cytoplasm
Membrane surrounded component of a eukaryotic cell with a specialized function Organelle
Stiff structure outside the cell membrane that protects a cell from attack by viruses and other harmful organisms CellWall
A large macromolecule that does not dissolve in water Lipid
Series of chemical reactions that convert light energy, water, and carbon dioxide into the food energy molecule glucose and give off oxygen Photosynthesis
Process by which glucose is broken down into smaller molecules Glycolysis
Process during which a cell takes in a substance by surrounding it with the cell membrane Endocytosis
The movement of substances through a cell membrane using the cell's energy ActiveTransport
Macromolecules that form when long chains of molecules called nucleotides join together. NucleicAcids
When joining many small molecules together Macromolecule
One sugar molecule, two sugar molecules, or a long chain of sugar molecules Carbohydrates
Network of threadlike proteins joined together that gives a cell it's shape and helps it move Cytoskeleton
Long chains of amino acid molecules Proteins
All living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells CellTheory
Reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low Fermentation
Process during which a cell's vesicles release their contents outside the cell Exocytosis
Flexible covering that protects the inside of a cell from the environment outside the cell CellMembrane
Movement of substance through a cell membrane without using the cell's energy PassiveTransport
Membrane-bound organelle that uses light energy and males glucose from water and carbon dioxide in the process of photosynthesis Chloroplast
An organism's ability to maintain steady internal conditions when outside conditions change Homeostasis
The smallest unit of life Cell
Living things that are made of only one cell Unicellular
Movement of substances from an area of higher concentration to an area of lower concentration Diffusion
Series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP CellularRespiration
Things that have all the characteristics of life Organism
Living things that are made from two or more cells Multicellular
Part of a eukaryotic cell that directs cell activity and contains genetic info stored in DNA Nucleus