Biology glossary

carnivore that eats other carnivores

three-dimensional conformation of a protein, including interactions between secondary structural elements; formed from interactions between amino acid side chains.

porous shell of a foram that is built from various organic materials and typically hardened with calcium carbonate

cross between a dominant expressing individual with an unknown genotype and a homozygous recessive individual; the offspring phenotypes indicate whether the unknown parent is heterozygous or homozygous for the dominant trait

outer layer of the seed coat

pair of reproductive organs in males

reproductive hormone in men that assists in sperm production and promoting secondary sexual characteristics

order of turtles

two duplicated homologous chromosomes (four chromatids) bound together by chiasmata during prophase I

phylogenetic reference to an organism with a four-footed evolutionary history; includes amphibians, reptiles, birds, and mammals

brain area that relays sensory information to the cortex

rare genetic disorder that results in mutation of the alpha or beta subunits of hemoglobin, creating smaller red blood cells with less hemoglobin

vegetative body of a fungus

layer of water with a temperature that is significantly different from that of the surrounding layers

study of energy and energy transfer involving physical matter