Biology Crossword

ferns, horsetails, and the lycophytes
a fibrous substance which is the major constituent in the exoskeleton of arthropods and the cell walls of fungi.
organism made up of a multinucleate, continuous mass of protoplasm enclosed by one cell wall, as in some algae and fungi.
A sinlge celled organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
cells that have a nucleus enclosed within membranes
The kingdom comprising all living or extinct plants
a class of angiosperm plants having a single cotyledon in the seed
a flowering plant with an embryo that bears two cotyledons
a plant that grows on, in, or from land
an organism that produces complex organic compounds (such as carbohydrates, fats, and proteins) from simple substances present in its surroundings, generally using energy from light (photosynthesis) or inorganic chemical reactions.
ringed worms or segmented worms (phylum)
an organism that cannot produce its own food
a principal taxonomic category that ranks above class and below kingdom.
Seed producing plants