Biology 12 Glossary  

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Echinoderm

Ecological pyramid   Ecological succession  Ecology  Ecosystem

Ectoderm

Ectotherm  Endotherm

Effector

Egg    Egg nucleus    Embryo  Embryo sac

Electrical signal

Electron  Electron  transport

Element

Emphysema

Endangered species

Endocrine system  Exocrine gland

Endoplasmic reticulum

Endorphins   Epinephrine

Endoskeleton

Endosperm

Endospore

Endosymbiont Hypothesis

Energy level

Epicotyl

Epidermis

Epididymis

Epiglottis

Epoch

Equilibrium

Era

Esophagus

Estrogen

Estuary

Ethyl alcohol

Euglena    Euglenophyta

Eukaryote  Diatom  Dicot

Evolution

Excretory system

Exhalation

Exon

Exoskeleton

Experimental setup

Exponential growth curve

External fertilization    Internal fertilization

External respiration

Extracellular digestion

F