Biology Word Search — Hard

Play a free online Biology word search puzzle. Difficulty: Hard. Find all 12 hidden words on the 12×12 grid below.

Words to find

Plus 4 hidden bonus words.

Biology word list, defined

EFFERENT /ˈɛfərənt/ · adjective
Conducting or carrying outward, away from a central organ or structure; especially of nerve fibers that carry impulses from the central nervous system to muscles or glands. Related: outward-carrying, motor, centrifugal.
LIGAMENT /ˈlaɪəmənt/ · noun
A band of fibrous connective tissue that connects bones or holds together joints, or a strong cord or thread of fibrous tissue that connects a muscle to a bone. Related: tendon, fascia, cartilage, sinew.
TUNDRA /ˈtʌndrə/ · noun
A vast, treeless region of cold, Arctic or sub-Arctic climate, typically with low vegetation and permafrost. Related: taiga, steppes, grasslands, moor.
ELECTRON /ɪˈlɛktrɒn/ · noun
A stable subatomic particle with a negative electric charge, found in all atoms and moving around the nucleus. Electrons are the primary carriers of electricity in solids and are responsible for chemical bonding. Related: negatron, subatomic particle, charged particle, beta particle.
VALENCE /ˈvæləns/ · noun
The capacity of an atom or radical to combine with others; the number of electrons an atom loses or gains to form a chemical bond. In chemistry, the valence of an atom is a measure of its combining power. Related: combining power, chemical affinity, electronegativity, oxidation state.
ZOOLOGY /ˈzɒɪ.əl.ədʒi/ · noun
The branch of biology concerned with the study of animals and their behavior, physiology, development, and evolution. Related: biology, animal science, wildlife biology, zootechnics.
CYCLIC /ˈsɪklɪk/ · adjective
Relating to, characterized by, or occurring in cycles; recurring in a regular, repeated pattern. In chemistry and mathematics, also describing a structure or process arranged as a closed loop or ring. Related: periodic, recurrent, recurring, cyclical.
MITOSIS /mɪˈtoʊsɪs/ · noun
The process of cell division that results in two genetically identical daughter cells, each having the same number and kind of chromosomes as the parent nucleus. Mitosis is a type of eukaryotic cell division. Related: cell division, binary fission, meiosis, reproduction.

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