Animal Body Plan
Body divided along the sagittal plane into mirror images
What is bilateral symmetry
The type of circulatory system exhibited in cephalopods, which is supports their active lifestyle
What is a Closed Circulatory system
Internal structure that is unique to all fishes, amphibians, reptiles, birds, and mammals
What is the Spinal column/ Vertebrae
The shedding of the endometrium accompanied by bleeding
What is Menstruation
The germ layer that gives rise to the notochord
What is the Mesoderm
Possessing only 2 germ layers, as seen in cnidarians
What is Diploblastic
Most types of invertebrates have this type fluid skeleton based on the structure of the coelom
What is a Hydrostatic skeleton
Structure found along the midline in a chordate that tends to be absent in adults
What is Notochord
Site of fertilization
What is the Fallopian tubes
The placenta is derived from this structure in the blastocyst
What is the Trophoblast
Any animal that has the body cavity placed between the endoderm and mesoderm
What are Pseudocoelomates
The phylum that consists of flatworms such as tapeworms and planarians
What is Platyhelminth
The type of fish that all tetrapod’s are believed to have evolved from
What are Lobed finned fishes
When a secondary oocyte is released from the Graafian follicle
What is Ovulation
When different parts of the body grows at different rates
What is Allometric growth
The only phylum of animals that is included in the clade Parazoa because they lack true tissue
What is Porifera (sponges)
The only class of mollusks with terrestrial species
What is Gastropoda
The order of reptiles that birds are closely related to
What is Crocodylia
This hormone stimulates the initial production of gametes in both males and females
What is Follicle Stimulating Hormone
Hormone that stimulates contractions during and after parturition
What is Oxytocin
The class of cnidarians that includes sea anemones, corals, and sea fans
What is Anthozoa
The class of arthropods that includes spiders, ticks, and horseshoe crabs
What is Chelicerata
The subclass of mammals that give birth to live young
What is Theria
Type of cells in the testes where spermatogenesis occurs
What are Sertoli cells
During this trimester a fetal rapid heartbeat be detected
What is the Second Trimester