Flatworms - Study guides, Study notes & Summaries

Anton van Leeuwenhok - Dutch merchant & scientist who observed live microorganisms (bacteria & protozoa) through his improved compound microscope Algae - Photosynthetic eukaryotes; can reproduce sexually or asexually; microbiologist interested in unicellular; cell wall composed of cellulose; Benefits of Microogranisms - basis of food chains in marine & freshwater environments; decomposers; important role in photosynthesis; digestion in human intestine; synthesis of Vitamin B and Vitamin K;...

STRAIGHTERLINE MICROBIOLOGY TEST | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS Cell walls are not typically possessed by ______. - Answer -protozoa The two major groups of helminths are the ______ and the ______. - Answer -roundworms; flatworms Which of the following is not true of conjugation? a. Involves direct contact between cells b. Transfers genes for drug resistance c. Transfers genes for enzymes and adherence molecules d. Involves the action of bacterio...

Name an animal that has neither a circulatory system nor a respiratory system and relies solely on cutaneous diffusion for gas exchange. How is this adequate for its survival? - Small and thin animals, like flatworms and horsehair worm parasites, have no respiratory or circulatory systems and solely rely on cutaneous/cuticle diffusion through water or air. Examples of respiratory structures of aquatic animals - bulk flow (sponges, cnidarians), gills, water vascular system, arborescent respi...

NRFSP Certification PracticeWho published the food code and how often? - correct answer The United States Department of Health and Human Services/FDA posts the food code every 4 years. What is HACCP? - correct answer Hazard Analysis Critical Control Point. It is to identify problems and prevent possible illnesses. Person In Charge - correct answer The person present at a food establishment who is responsible for the operation at the time of inspection. Viruses - correct answer Invade th...

WSU Biology 106 Exam 3 Questions With 100% Verified Answers. Arthropods - answerPhyla with greatest amount of diversity with 85% of animal spp 700 million years ago - answerWhen the first animals originated Porifera (sponges) - answerPhyla with no tissues, muscles, nerves, or specialized organs Choanocytes - answerFlow of water and food acquisition in sponges Amoebocytes - answerFound in sponges, these cells are mobile and perform numerous functions, including reproduction, transport of f...

NRFSP Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) case the occurrence of illness affecting one person food anything that people normally eat or drink, including water and ice foodborne illness/disease any illness caused by eating or drinking contaminated food hazard anything that could cause harm to consumers foodborne disease outbreak the occurrence of two or more cases of a similar that result from eating a common food reasonable care the management responsibility to...

BIO 151 Lab Exam #1 questions and answers Porifera - answer-sponges Cnidaria - answer-jellyfish, corals, sea anemones Platyhelminthes - answer-flatworms, tapeworms, flukes Annelida - answer-Segmented worms, earthworms; anus and mouth; closed circulatory system; nervous system; setae-bristle appendages Mollusca - answer-(snails, clams, squids, octopuses) have a soft body that in many species is protected by a hard shell Arthopoda - answer-Insects: bilaterally symmetric; exoskeleton; segm...

Cell walls are not typically possessed by ______. : protozoa The two major groups of helminths are the ______ and the ______. : roundworms; flatworms Which of the following is not true of conjugation? a. Involves direct contact between cells b. Transfers genes for drug resistance c. Transfers genes for enzymes and adherence molecules d. Involves the action of bacteriophage e. The donor retains a copy of the transferred genes : Involves the action of bacteriophage Which of the followin...

WIS2552 Topics 1-8 Multicellularity might have evolved from coloniality. ️true Temperature-dependent sex determination was discovered in a study of ️red-eared turtles Caecilians are not found in the tropics of ️Australia Smaller lizards are mostly adapted for feeding on ️insects The introduced Nile Monitor in Florida may possibly become a threat to native ️burrowing owls Terrestrial Caecilians are mostly adapted for ️burrowing Echinodermata is a phylum of ️deuterosto...

Prokaryotic Cells - CORRECT ANSWER Lack nucleus membrane, single-celled, lack membrane-bound organelles. Eukaryotic Cells - CORRECT ANSWER Contain nucleus membrane, genetic material in nucleus, multicellular, membrane-bound organelles. Ribosomes in Cells - CORRECT ANSWER Prokaryotic: free 80s, Eukaryotic: attached to Rough ER 70s. Endospores - CORRECT ANSWER Protect bacterial genome, survive harsh conditions, form during sporulation. Chemotaxis - CORRECT ANSWER Movement with chemical gra...