Horseshoe crab - Study guides, Class notes & Summaries

In this example, describe the relationship between the abundance of birds and horseshoe crab eggs: A. A decline in crab eggs causes a decline in the number of birds. B. A decline in the number of birds causes a decline in the number of crab eggs. C. Causation between birds and crab eggs cannot be determined from these data. D. Either A or B is correct. C. Causation between birds and crab eggs cannot be determined from these data. Based on this graph, which of the below are potential solutions t...

Part A A marine biologist dredges up a small animal from the bottom of the ocean. It is uniformly segmented, with short, stiff appendages and soft, flexible skin. It has a complete digestive system and a closed circulatory system, plus multiple true coeloms. Based on this, you determine that the animal must be a(n) _____. - annelid Correct: The description matches the characteristics of annelids. Part A Members of the phylum Mollusca _____. - are soft-bodied and often covered by a shell ...

Phylum Nematoda - Answer Round worms (hookworm, pinworm) Phylum Arthropoda - Answer 1. Subphylum Chelicerata - Class Merostomata: aquatic chelicerates (horseshoe crab) - Class Arachnida (scorpions, spiders, ticks, mites) 2. Subphylum Myriapoda - Class Diplopoda (millipedes) - Class Chilopoda (centipedes) 3. Subphylum Crustacea - Class Malacostraca (isopod, crabs, crayfish, shrimp) 4. Subphylum Hexapoda - Class Insecta (insects)

Microbiology Semmelweis Questions With Complete Solutions Biological method used for checking the effectivity of the sterilisation. By Bacillus/Geobacillus stearothermophilus spores. If the procedure was performed in correct way, the spores cannot be cultivated. Detection of the presence of pyrogenic material in drugs? LAL test; The blood of the horseshoe crab will coagulate in the presence of the LPS What are the disinfectants? Chemical agents used on inanimate/non-living surfaces. ...

Microbiology Semmelweis Questions and Answers Rated A+ What does sterilisation mean? Killing procedure of any kind of germs What does disinfection mean? Procedure where the number of the germs are reduced to a safety level. Which parameters can influence the effectivity of the sterilisation? The number of the germs, the resistance of the germs, the concentration of the disinfectants, the presence of the organic materials, the initial time, the presence of the biofilm. Parameter...

The ocean covers about 70% of Earth - Answer-true Current trends regarding the ocean include: fish populations and fishing industries are thriving; a high percentage of coral reefs are at high risk of coral bleaching; and the acidity level of the oceans is currently increasing making it harder for shell-making organisms to make their shell. - Answer-false; 70% of fisheries are in trouble because the fish are not reproducing as fast as the fisheries are fishing The impact of the ocean on th...

How many milliliters are in one liter? - 1000 Two milliliters of water weighs ________ grams - 2 How many milligrams are in 1 gram? - 1000 One kilogram is equivalent to how many pounds? - 2.2 5% dextrose contains how many milligrams of dextrose in each milliliter? - 50 What do you call a substance that enhances the immune response to an antigen? - adjuvant An accumulation of fluid in the abdominal cavity is called ___________ - ascites What rodent specie...

OpenStax Microbiology Test Bank Chapter 15: Microbial Mechanisms of Pathogenicity * = Correct answer Multiple Choice 1. Which of the following would be considered a symptom? A. blood pressure reading of 150/90 mm Hg B. body ache and chills* C. fever of 39 C D. heart rate of 120 bpm 2. Which of the following would be considered a sign? A. blurry vision B. body ache and chills C. burning sensation during urination D. gross hematuria (visible presence of blood in urine)* 3. W...

MICROBIOLOGY SEMMELWEIS EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ What does sterilisation mean? Correct Answer: Killing procedure of any kind of germs What does disinfection mean? Correct Answer: Procedure where the number of the germs are reduced to a safety level. Which parameters can influence the effectivity of the sterilisation? Correct Answer: The number of the germs, the resistance of the germs, the concentration of the disinfectants, the...

Mastering Biology Questions and Answers Graded A Nematodes and arthropods are the largest ecdysozoan phyla. Which of the following statements are true? -Both nematodes and arthropods possess an external covering, or cuticle. -Nematodes possess a closed circulatory system. -Arthropods possess an open circulatory system. -Nematodes are acoelomate, whereas arthropods are coelomate. -Some nematodes are parasitic on humans. -Both nematodes and arthropods have segmented body plans. -Both nema...