Biology 12 Glossary P

 

Paleontologist

Palisade Layer

Pancreas

Paramecium

Parasite

 

Parathyroid Gland

Parenchyma

Pathogen

Pellicle

Peptide bond

Perennial

Pericycle

Periosteum

Peripheral nervous system

Peristalsis

Petal

Petiole

pH scale

Phagocyte

Pharngeal slit

Pharynx

 

Phenotype

Pheromone

Phloem

Photoperiodicity  Photosynthesis  Photosynthetic membrane  Photosystem

Photrophic autotroph  Heterotroph  Phototropism

Phylogenetic tree   Phylum

Phytoplankton

Pigment

Pistil

Pituitary gland

Placenta

Placental mammal

Plantae

Plasma

Plasma cell

Plasmid

Plasmodium

Plastid

Plastron

Platelet

Platyhelminthes

Point Mutation

Polar nucleus

Pollen chamber  Pollen cone  Pollen grain  Pollen tube Pollination adaptations

Polychaete

Polygenic

Polymer  Polymerization

Polyp

Polyploidy

Polysacharide

Pons

Population

Porifera

Posterior pituitary

Powder feather

Prehensile tail

Primary follicle

Primary tissue

Producer

Progesterone

Prokaryote

Promoter

Prophage

Prostglandin

Protein

Prothallium

Protist   Protist

Proton  Protonema

Psuedopod

Puberty

Pulmonary circulation

Punctuated equilibria

Punnet square

Pupa

Purebred

Pyloric valve