- An ectotherm uses all the means listed to regulate their body temperature except:
- what type of organisms are found in Class Asteroidea?
- which members of Platyhelminthes are nonparasitic and free-living?
- the name "gastropoda" refers to what feature of this class of mollusks?
- which phylum of worms has the most sophisticated organ systems of structure?
- the subphylum myriapoda includes what organism?
- the characteristic modified appendages that act as mouthparts in the subphylum Chelicerata are called what?
- ___ is the process in which the invagination of the blastula creates the gastrula
- In humans, the ____ stage is usually comprised of about 100 cells and occurs roughly one week after fertilization. This is the stage of development where embryonic ____ can be harvested
- With cell cleavage, a series of rapid cell divisions by mitosis and cytokinesis occur. The number of cells increases/decreases while the total surface area grows/remains the same
- Phylum Platyhelminthes:Movement--_____ glands: release "glue" to stick to the bottom surface____ glands: solvent for the "glue" secreted___: (with light and current) ____ response-They are positive/negative phototaxic
- "____" hydroid lives on the shell-_____ lashing only there in the presence of the crab-Symbiotic communication with the crab in the cell
- Anthozoan Diversity:-sea ____- ____: collections of anemones-like polyps-___ offer protection to hermit crabs from octopi due to releasing ____ cues
- Phylum Platyhelminthes:-Radial/bilateral-Dorso-ventrally _____-first phylum to be _____-Di/Triploblastic-complete/incomplete digestive system-_____ (flame cells): kidney-like structure for filtration --> first phylum to have an ____ system
- Anthozoan Diversity____ occurs due to elevation of sea temperature water and can cause loss of zooxanthellae from the coral
- Genus _____ -- "Portuguese Man of War"-Floating, ____ colonyie. ____, but a collection of individuals
- ___ -- genus of Class Hydrozoa-No colony; solitary-freshwater-doesn't undergo metagenesis; exists as a ____
- Anthozoan Diversity:_____ corals live symbiotically with zooxanthellae -- the protist provides food for the host and the host provides suitable growth environments in deep/shallow water.-These corals are hard/soft
- Class Anthozoa:-___ form only-can/can't be motile-cellular/acellular mesogela-cnidae in epidermis and gastrodermis (endodermis)-Contains ____ or ____ in the gut which increase _____-Reproduces sexually with/without metagenesis; monoecious/dioecious-Reproduces asexually via ____ and ___ also called strobilation (longitudinal and transverse)
- Class Scyphozoa:Life Cycle-- ie metagenesis-____: the term for polyp-____: the term for horizontal and transverse reproduction-___: immature medusa-___: larva