Physiological challenges an insect must cope with in a freshwater lake
What are the physiological challenges an organism (such as a waterbug) might experience in a freshwater lake of the following conditions: depth of 200 m, water cold (approx 10 degrees celcius on surface), eutrophic, poor visibility, pH approx. 4?
Osmoregulation in a Freshwater Insect
I need further info on osmoregulation in a freshwater insect. I am having difficulty finding anything relevant. Could you provide any help?
What are the steps involved in the formation of hyposmotic urine and ion uptake in insects using the malpighian tubules, hindgut and rectum?
I have to design an animal that is able to survive a wide range of environmental conditions: First environment is a freshwater lake with a surface temperature of 10 degrees celcius, Second is a mountain range with air temperatures of 5 degrees celcius during the day and -10 to -20 degrees celcius at night, Third environme ...continues
Matching. Choose the most appropriate answer for each. 1a. ___ placozoa 1b. ___ annelids 1c. ___ arthropods 1d. ___ chordates 1e. ___ cnidarians 1f. ___ echinoderms 1g. ___ flatworms 1h. ___ rotifers 1i. ___mollusks 1j. ___ roundworms 1k. ___ sponges A. Trichoplax B. Vertebrates C. Planarians, flukes, tapeworms ...continues
4.5 Which of the following statements is FALSE? a. Mammals are vertebrates. b. Invertebrates have no backbone. c. There are more vertebrate species than invertebrate. d. The phylogenetic tree of animals begins with sponges. 5.5 Major trends in the evolution of animals include a. cephalization, the development of a defini ...continues
The organs of excretion in flatworms are a. nephridia. b. contractile vacuoles. c. Malpighian tubules d. protonephridia. Animals that are hermaphroditic usually a. fertilize their own eggs. b. cross-fertilize. c. donate eggs to other individuals d. all of these A scolex is a. the anterior attachment organ of a t ...continues
All of the following adaptations have contributed to the success of the insects EXCEPT a. specialized sensory organs b. wings c. small body size d. aquatic habitat A water-vascular system is characteristic of the a. arthropods b. annelids c. chordates d. echinoderms Which of the following is not a member of the ph ...continues
There are three major classes of Cephalopods. Which of the following is a Cephalopod? a. Squid b. Conch c. Clam d. Snail Which type of Cnidarian body plan is less motile? a. larvae b. worm c. Polyp d. medusa What moves the Gastric Mill? A. wings B. tendons C. ligaments D. muscles What are th ...continues
What are the organs used for sperm storage from another worm? A. seminal receptacle B. seminal vesicle C. seminiferous tubules D. clitellum What part of the digestive system is thick and very muscular A. clitellum B. crop C. gizzard D. intestine What are the "Hearts" of a worm called? A. arteries B. aortic arches ...continues
