Unravel the complexities of life itself, from microscopic cells to sprawling ecosystems. Explore genetics, evolution, and the wonders of the natural world.
Biology offers a rich and intricate world for crossword puzzles, filled with precise terminology, evolutionary concepts, and the names of groundbreaking scientists. Clues can range from cellular components like "mitochondria" and "DNA" to broader ecological terms such as "photosynthesis" or "biodiversity." This topic allows constructors to create puzzles that are both scientifically rigorous and deeply engaging, appealing to those with a curiosity for how life works at every level.
Crossword clues used in biology puzzles, with answers and links to play.
“The genus Canis includes this common household pet.”
DOG (3)
“A water bird belonging to the genus Anas.”
DUCK (4)
“A non-flowering vascular plant in the genus Pteridium.”
FERN (4)
“A large primate classified within the genus Pongo or Pan.”
APE (3)
“A crustacean often found in the genus Cancer.”
CRAB (4)
“An organ used for breathing air.”
LUNG (4)
“The organ that serves as the center of the nervous system.”
BRAIN (5)
“The reproductive unit of a flowering plant.”
SEED (4)
“A fiber that transmits impulses to the brain.”
NERVE (5)
“The molecule that carries genetic instructions for life.”
DNA (3)
“Geometric suspended snare engineered of protein”
WEB (3)
“Sydney resident lurking in ground silk tubes with deadly bite”
FUNNELWEB (9)
“Hardened dorsal shield covering the cephalothorax”
CARAPACE (8)
“Arachnid jaw mechanism designed to crush or pierce”
CHELICERA (9)
“Hollow syringe used before the digest begins”
FANG (4)
“Octet of ocular beads watching for vibration”
EYES (4)
“Daddylonglegs with no venom nor separate waistline”
HARVESTMAN (10)
“Polysaccharide armor forming the lightweight skeleton”
CHITIN (6)
“Shedding one's hardened overcoat to permit expansion”
MOLT (4)
“Glands located near the leg base for liquid waste”
COXAL (5)
“Glows neon under ultraviolet illumination with claws aloft”
SCORPION (8)
“Parasitic clockwork crawler spreading Lyme”
TICK (4)
“The metamorphic act of crawling out of one's skin”
ECDYSIS (7)
“Camouflaged subterranean door lined with soil and thread”
TRAP (4)
“Nursery parcel guarded in a spherical sac”
EGG (3)
“Father figure absent after a cannibalistic mating encounter”
PATER (5)
“Hourglass wearer with a reputation for lethal widowhood”
WIDOW (5)
“Silken tote bag carried under the sternum”
SAC (3)
“Abdominal organ that prints liquid threads into open air”
SPINNERET (9)
“Tail extremity that packs a toxic punch”
TELSON (6)
Showing the first 30 of 148 clues. Visit each puzzle to see all its clues.
Want puzzles beyond Biology? Try a crossword generator with clues on any subject, or make your own crossword from scratch. Free crossword puzzle maker: turn your own words into a puzzle in your browser, no account needed.