Type
Crossword
Description

Study of mammals Mammology
_______________ zoology is the study of animals with backbones Vertebrate
Study of fish Ichthyology
Study of insects Entomology
_______________ zoology is the study of multicellular animals without backbones Invertebrate
The study of animals Zoology
The science of naming and classifying organisms Taxonomy
Study of reptiles and amphibians Herpetology
Study of birds Ornithology
A change over time Evolution
Passing of traits from parents to offspring Heredity
Single celled organism with no nucleus or membrane-bound organelles Prokaryote
A cell with a nucleus and membrane-bound organelles Eukaryote
An organism that can make its own food Autotroph
An organism that gets its energy by consuming other organisms Heterotroph
Inherited characteristics that’s increase an organism’s chance of survival Adaptation
Study of parasites Parasitology
Study of how organisms interact with each other and their environment Ecology

Cell Organelles Crossword

Type
Crossword
Description

A membrane bound structure that is the basic unit of life cell
The lipid bilayr that forms the outer boundary of the cell Cell Membrane
A rigid structure that surrounds the cells of plants and most bacteria Cell wall
A jelly-like substance that hold the cell organelles together Cytoplasm
Known as the "skeleton" of the cell; network of long protein strands in the cytosol that helps support the cell Cytoskeleton
A system of membranes that modifies and packages proteins for export by the cell Golgi apparatus
Powerhouse of the cell; produces energy (ATP) from oxygen and sugar (cellular respiration) Mitochondria
An organelle containing digestive enzymes Lysosomes
The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus Nucleolus
The organelle that contains the DNA and controls the processes of the cell Nucleus
An organelle that functions in the synthesis of proteins Ribosome
Stores water and nutrients for the cell; very large in plant cells Vacuole
A membrane bound sac that contains materials involved in transport of the cell Vesicle
An internal membrane system in which components of cell membrane and some proteins are constructed Endoplasmic Reticulum
whip-like tails found in one-celled organisms to aid movement Flagella
One of several bodies with a specialized function that is suspended in the cytosol of the cell; small organs Organelle
A double membrane that surrounds the nucleus in the cell Nuclear envelope

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

Cell Parts Crossword

Type
Crossword
Description

the basic structural unit of all living things cell
a specialized part of a cell having some specific function made of macromolecules organelle
A single-celled or multicellular organism whose cells contain a membrane-bound nucleus eukaryote
organism not enclosed in a nucleus. Bacteria and archaeans are this prokaryote
an organelle in the cytoplasm of cells that produces energy mitochondria
the semipermeable membrane enclosing the cytoplasm of a cell cell membrane
the definite boundary that is part of plant cells and not in animal cells cell wall
a double membrane, and found in most living eukaryotic cells, directing their growth, metabolism, and reproduction, and functioning in the transmission of genic characters nucleus
particles in the cytoplasm of cells, either free or attached to the endoplasmic reticulum, that contain RNA and protein and are the site of protein synthesis ribosome
The membrane network in cytoplasm that is composed of tubules that carry ribosomes on their surfaces some are rough while others are smooth. endoplasmic reticulum
a cell organelle containing enzymes that digest particles lysosome
contains chlorophyll and other pigments, occurrs in plants and algae that carry out photosynthesis chloroplast
a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport golgi apparatus
jelly like substance between the cell membrane and the nucleus cytoplasm
enables many protozoa, bacteria, spermatozoa to move about / swim about the cell flagellum
providing locomotion to protozoans and moving liquids along internal tissues in animals cilia

Organization of Life Crossword

Type
Crossword
Description

The study of all living things. biology
Change in a population over time. evolution
Means the age of hell. Hadaen
Two word naming system. binomialnomenclature
Study of the classification of organisms. taxonomy
Family tree showing evolutionary relationships. phylogenetictree
Depicts evolutionary relationships among groups. cladogram
Study of evolutionary relationships. phylogeny
Two different parent organisms contribute genetic information. sexualreproduction
A single parent organism reproducing identical offspring by itself. asexualreproduction
Smallest unit capable of all life functions. cell
Entire organism made up of one cell. unicellular
Living organism made up of many cells. multicellular
Simplest cell that does not have a nucleus and membrane bound organelles. prokaryoticcell
More complex cells that have a nucleus and membrane-bound organelles. Eukaryoticcell
Bending of a plant when touched. thigmotropism
Growth of a plant in response to the force of gravity. geotropism
How the plant moves in response to the light stimulus. phototropism
The building up of complex substances. anabolism
The breaking down of complex substances. Catabolism

Branches of science Word Search

Type
Word Search
Description

Marine biology
Entomology
Herpetology
Petrology
Cytology
Paleontology
Conchology
Helminthology
Ornithology
Chemistry
Physicalscience
Earthscience
Geology
Hydrology
Oceanography
Astronomy
Virology
Meteorology
Ecology
Dendrology
Physics
Science
Genetics
Zoology
Biology

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

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

6 Kingdoms of Life Crossword

Type
Crossword
Description

A cell with no nucleus. Prokaryote
A cell with a nucleus. Eukaryote
Single celled organism. Unicellular
Multiple, or many celled organism. Multicellular
Makes its own food (AKA Producer) Autotroph
Gets its food by feeding on other organisms (AKA consumer) Heterotroph
One parent needed to produce offspring. Asexual
Two parents needed to produce offspring. Sexual
The organism cannot move. Nonmotile
The organism can move. Motile
Prokaryote, unicellular, autotroph and heterotroph, asexual reproduction. Eubacteria
Prokaryote, unicellular, autotroph and heterotroph, asexual reproduction. Archaebacteria
Eukaryote, uni- and multicellular, autotroph and heterotroph, asexual and sexual reproduction. Protists
Type of Protist which changes the shape of their body into pseudopods (foot-like structures). Amoeba
Cilia help this Protist move, capture food and sense their external environment. Paramecium
This Protist moves through the use of a flagellum. Euglena
Eukaryote, multicellular, heterotroph, asexual and sexual reproduction. Fungi
All Fungi reproduce asexually by producing __________. Spores
Eukaryote, multicellular, autotroph, asexual or sexual reproduction. Plants
Eukaryote, multicellular, heterotroph, sexual reproduction. Animals

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

Classification of Organisms Crossword

Type
Crossword
Description

all organisms in this domain are unicellular and prokaryotic Archaea
all organisms in this domain are unicellular and prokaryotic; they have a strong exterior cell wall and a cell membrane Bacteria
variety of plants, animals, and other organisms species diversity
two-word naming system developed by Carolus Linnaeus binomial nomenclature
organisms with internal skeletons, include fish, amphibians, reptiles, birds, and mammals chordates
taxonomic category below phylum (animals) or division (plant) class
to group ideas, objects, or information based on similarities classify
broadest categories of organisms; based on cell type domain
all organisms in this domain have eukaryotic cells possessing membrane-bound organelles Eukarya
the fifth-highest taxonomic category, below an order family
a group of similar organisms genus
the fourth-highest taxonomic category, below a class order
the taxonomic category below a class order
smallest, most precise classification category species