Biology 102: Unit 3 Test

Animal without a body cavity

Type of symmetry with only one plane of symmetry

Opening into the archenteron during gastrulation

16-32 cell stage of animal embryo development

Defining shape or morphology of an organism

Lined body cavity

Cleavage pattern with tightly defined blastomere fate

Blastopore develops into the anus; determinate (fate of each cell already determined), radial structure

Animal developing from two germ layers

Animal with a body cavity lined with mesoderm

Stage characterized by digestive cavity formation

Cells forming during embryogenesis for body tissues

Master control gene in embryogenesis for gene transcription

Cleavage pattern with blastomeres as stem cells

Organ formation in animal embryogenesis

Blastopore develops into the mouth, spiral structure

Animal with a body cavity between mesoderm and endoderm

Cleavage axes parallel or perpendicular to polar axis

Symmetry with multiple planes around a central disk

Rotation or misalignment of embryo cells

Animal developing from three germ layers

Sponge cell with multiple functions

Phylum of vermiform animals with metamerism

Primitive gut cavity in the gastrula

Phylum of animals with jointed appendages

Flexible, rod-shaped support structure in embryonic chordates

Bony fish class

Opening in the pharynx

Order including lemurs, monkeys, apes, and humans

Skin gland producing sebum

Produces depth perception from overlapping fields of vision

Gas-filled organ controlling fish buoyancy

Organism with a four-footed evolutionary history

Dinosaur group ancestral to birds

Backbone made of separate bones

Chordates with a backbone

Body system response to environmental change

Change of set point in homeostasis

Animals with no body symmetry

Resting metabolic rate in endotherms

Connective tissue with chondrocytes and fibers

Tall cells specialized in absorption

Tissue with cells, matrix, and fibers

Cube-shaped cells for glandular functions

Body cavity on the back of an animal

Animal unable to maintain constant body temperature

Animal maintaining constant body temperature

Tissue lining organs or tissues

Tissue with high fiber concentration

Plane separating front and back body portions

Low-energy, high-fiber food component

Animal with a four-compartment stomach

Enzyme in saliva converting carbs to maltose

Hormone stimulating bicarbonate secretion in small intestine

Hormone halting acid secretion in empty stomach

Enzyme breaking down sucrose into glucose and fructose

Pancreatic protease breaking down protein

Folds in small intestine increasing absorption area

Organic substance vital in small quantities for life

Neurotransmitter in central and peripheral nervous systems

Self-propagating change in neuron membrane potential

Limbic system structure processing fear

Glial cell providing nutrients and structural support

Peripheral system controlling bodily functions

Structure propagating signals from neuron cell body

Structure integrating signals from multiple connections

End structure forming synapses with other neurons

Brain cells involved in movement and motivation

Brain portion controlling basic functions

Brain structure for posture and motor coordination

Outer brain tissue for higher functions

Liquid surrounding brain and spinal cord

Fiber bundle connecting cerebral hemispheres

Structure receiving messages from other neurons

Change to less negative membrane potential