Biology Lab Test 2 Terms

Photoautotroph

Organism that uses light as a source of energy to synthesize organic substances.

Chemoautotroph

Organism that produces energy by oxidation of inorganic compounds

Saprophytic

Organism that absorb nutrients from dead organisms

Cyanobacteria

Cocci bacteria

Bacilli bacteria

Spirilla bacteria

Zone of inhibition

Region surrounding the antibiotic disc where there is a lack of bacteria

Chlamydomonas

Volvox

Spirogyra

Yeast

Lichen

Mushroom

Moss

Fern

Cones

Plant root cell

Epidermis

Cortex

Vascular bundle

Endodermis

Pericycle

Xylem

Phloem

Plant stem cell

Epidermis

Cortex

Vascular bundle

Phloem

Xylem

Syringa

Epidermis

Cuticle

Palisade mesophyll

Chloroplast

Spongy mesophyll

Air pocket

Guard cell

Stoma

Xylem

Phloem

Nymphea

Stoma

Spongy mesophyll

Oleander

Stoma

Epidermis

Palisade mesophyll

Spicules

Intracellular digestion

Phagocytosis of food particles by choanocytes and amoeboid cells

Filter feeding

Feeding by filtering out plankton or nutrients suspended in the water

Sponge (Porifera)

Osculum

Pore cell

Collar cell - Choanocyte

Coral (Cnidaria)

Hydra (Cnidaria)

Portuguese Man O' War (Cnidaria)

Sea Anemone (Cnidaria)

Ectoderm

Endoderm

Gastrovascular cavity

Mesoglea

Mouth

Nematocyst

Capsule containing an irritating, stinging chemical

Cnidocytes

Stinging cells of cnidarians

Polymorphism

Alternations between polyp and medusa form

Flatworm (Platyhelminthes)

Eye spots (flatworm)

Fluke (Platyhelminthes)

Fluke (Platyhelminthes)

Tapeworm (Platyhelminthes)

Scolex (tapeworm)

Proglottid (tapeworm)

Roundworm (Nematoda)

Digestive cavity

Ectoderm

Endoderm

Mesoderm

Pseudocoelom

Sandworm (Annelida)

Parapodium (sandworm)

Sucker (leach)

Clicellum (earthworm)

Bivalves

Group that contains clams and oysters

Cephalopods

Group that contains squids and octopuses

Clam (Mollusca)

Octopus (Mollusca)

Slug (Mollusca)

Snail (Mollusca)

Exoskeleton

Hard, jointed external skeleton

Head

Thorax

Abdomen

Grasshopper (Arthropoda)

Butterfly (Arthropoda)

Centipede (Arthropoda)

Insects (Arthropoda)

Millipede (Arthropoda)

Cephalothorax

Combination of the head and the thorax

Hemolymph

Equivalent to blood in an open circulatory system

Hemocoel

Cavity that contains the hemolymph

Cheliped

Swimmeret

Telson

Uropod

Walking leg

Female crayfish (Arthropoda)

Male crayfish (Arthropoda)

Sand dollar (Echinodermata)

Sea urchin (Echinodermata)

Sea urchin (Echinodermata)

Aboral side (starfish)

Oral side (starfish)

Dermal gills

Madreporite

Mouth

Tube foot

Amphioxus (Chordata)

Dorsal

Towards the backbone

Ventral

Towards the tummy

Anterior

Towards the head

Posterior

Away from the head

Lateral

Away from midline

Medial

Closer to midline

External

Towards the surface

Internal

Towards the inside

Liver

Diaphragm

Gall bladder