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Biology Vocabulary- Four

Across
____ acid- compound containing an amino group and acid group
Species whose numbers are so low that they face extinction
Animal hunted for food
Rigid layer of polysaccharides enclosing a plant membrane
Tiny cavity filled with fluid in a cell
Vertebrate that lives on land but requires water to breed
Allele that produces its characteristic phenotype only when paired with an identical allele
The state of no longer existing
Practice of eating the flesh of its own kind
Emission of water from the leaves
Single-celled fungus that reproduces asexually
Branch of zoology that studies birds
Any organism of microscopic size
Branch of science that studies microorganisms and their effects on humans
Condition of resisting disease
Variety of plant and animal life
Animal that lives by preying on other animals
Of or relating to the sea
Down
Single-celled organism that can cause disease
Basic structural and functional unit of organisms
Warm-blooded vertebrate with skin covered in hair
Bundle of fibers running to organs and tissues
Thin membrane enclosing the cytoplasm
Plant that sheds foliage annually
Flesh-eating animal
Outward characteristic that enables an organism to hide in its environment
Treatment to destroy harmful microorganisms
Aggregation of cells
Green pigment
Change in appearance or character
Process of taking food in
Branch of science studying the immune system
Non-gamete cell division
Hybridization using two traits with two different alleles each
Circular ring of DNA that is not in a chromosome and capable of autonomous replication