Invertebrate animals - Study guides, Class notes & Summaries

Hox genes - control the expression of genes that influence animal morphology (sponges are simple animals that do not have Hox genes) acoelmates - triploblastic animals without a coelom, their bodies are solid and have no cavity. Ancestors of animals... - diverged from ancient fungi, between 675 million and 800 million years ago, believed to be a suspension feeder similar to Choanoflagellates Animals are.. - -multicellular (without cell walls) -heterotropic -develop from embryonic layers ...

Pest - ANSWER-an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens - ANSWER-disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance - ANSWER-When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation - ANSWER-The accumulation of pesticide in the fatty tissue of some animals biomagnification - ANSWER-The Food chain. Organ...

LAT REVIEW EXAM 165 QUESTIONS WITH VERIFIED ANSWERS What organization is responsible for overseeing compliance with the Public Health Service (PHS)  Policy? A. United States Department of Agriculture (USDA) B. Office of Laboratory Animal Welfare (OLAW) C. Drug Enforcement Administration (DEA) D. American Veterinary Medical Association (AVMA) - B. Office of Laboratory Animal Welfare  (OLAW) Which animals below are covered under the Public Health Service (PHS) Policy? A. All vertebrat...

Bio 172 animals exam questions with verified answers Which of the following is (are) unique to animals? A) the structural carbohydrate, chitin B) nervous and muscular tissue C) heterotrophy D) gametes B) nervous and muscular tissue What do all deuterostomes have in common? A) Adults are bilaterally symmetrical. B) Embryos have pharyngeal pouches that may or may not form gill slits. C) All have a spinal column. D) The pore (blastopore) formed during gastrulation becomes the anu...

Pesticide ApplicatorPest - correct answer An undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances Pathogens - correct answer Disease causing organisms Four Main Groups of Pest Organisms - correct answer 1. Weeds 2. Invertebrates 3. Pathogens 4. Vertebrates Weed - correct answer Undesirable plant Invertebrate Examples - correct answer Insects, mites, ticks, spiders, snails, slugs Pathogen Examples - correct an...

HSC Biology Module 5 Reproduction Reproductive success The ability to produce fertile offspring that survive to reproductive maturity and produce offspring of their own. Biological fitness the measure of an individual's reproductive success. It is calculated as the average contribution to the gene pool made by a certain genotype within a population and the relative likelihood that these alleles will be represented in future generation. Sexual reproduction It involves the meet...

What is the first step of the research process A. Create a research design B. Establish a hypothesis C. Define the question D. Collect and analyze data Ξ -:- C. Define the question How often does the Guide for the Care and Use of Laboratory Animals require the IACUC to inspect the animal facilities? A. At least every 6 months B. At least once per year C. At least every 3 years D. At least every 5 years Ξ -:- B. At least once a year. AWR and PHS Policy requires inspections every...

What are examples of plant diseases? - ANSWER-Fungi,Oomycetes,Bacteria,Viroids, Oomycetes can be describe as - ANSWER-Water Molds prerequisites for a plant disease - ANSWER-population, Host, ideal environment, time, Largest Group of plant diseases - ANSWER-Fungi A Chemical Formulation capable of causing injury to plants - ANSWER-Phytotoxic Reasons to consider treating an infected area with pesticides - ANSWER-When other prsctices don't work,high value,quality reduced,sudden break...

Biology 1023 Exam 1 Latest Version (Ch 16-19) Rated A+ What are radioisotopes known for? They are unstable elements that undergo transformation into other elements over time. They are used in radioactive dating, and the time required for a radioactive isotope to decay to half its original quantity is referred to as its half-life. Where are the majority of fossils of living organisms typically discovered? Sedimentary rock Which gas began accumulating in the atmosphere around 3 to...

Study Guide: Pest Control Exam [100% Correct] Pest *Ans* an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens *Ans* disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance *Ans* When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation *Ans* The accumulation of pesticide in the fatty tissue of some animals biomagnification ...