Crustaceans - Study guides, Class notes & Summaries

the age of the Earth is: a. 4.56 million years b. 3.5 billion years c. 4.56 billion years d. 14 billion years correct answers c. 4.56 billion years your semester at sea take an unexpected turn when the ship's captain decides to teach you a lesson by throwing all the navigation equipment overboard. Thankfully, your mom purchased you a nice chronometer wristwatch when you graduated high school in Greenwich, England. Always wanting to know when it's a good time to call mum, one of your ma...

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 ...

Campbell Biology Chapter 33 Test Questions with Answers All Correct Planarians - Answer-live in freshwater. Most are predators. They digest food in a gut. They find food using their sensory lobes. They have light-sensitive eyespots and centralized nerve nets. Have a well-developed nervous system. Are hermaphrodites and can reproduce sexually or asexually through fission. Parasitic species - Answer-Reproductive organs occupy nearly the entire interior. 2 important groups - Trematodes and Tap...

Which human activity most directly causes a significant increase in the amount of carbon dioxide in the atmosphere? - Answer- driving cars long distances An immune response is primarily due to the body's white blood cells recognizing - Answer- foreign antigens In an effort to reduce the number of deaths due to malaria, scientists have successfully introduced a gene into mosquitoes. The gene makes the mosquitoes unable to support the development of the parasite that causes malaria. ...

SERVSAFE 7TH ED. 2018 FLASHCARDS QUESTIONS AND ANSWERS ALREADY PASSED List the groups that are included in the high risk population for contracting a foodborne illness? - CORRECT ANSWER - Elderly people - Preschool-age children - People w/ compromised immune systems (patients in hospitals, taking certain medications, under-going cancer treatments, organ transplant recipients) List the 13 potentially hazardous foods as discussed in the text. - CORRECT ANSWER - Milk & dairy products -...

Nevada C2 Test Latest Update Graded A+ Arthropods meaning jointed footed. they posses segmented body, jointed appendages, exoskeleton, growth involving molting arthropod characteristics three body regions(head, thorax, abdomen), three pairs of legs(restricted to the thorax), one pair of antennae, wings usually in the adult stage CRUSTACEANS crayfish,shrimp,sow bugs,pill bugs (five to seven legs,two body regions cephalothorax and abdomen, two pairs of antennae)(arthropod class) ...

AICE Marine Science AL Chapter 4 Vocabulary Questions and Answers 100% Pass Ocean - Correct Answer ️️ -A continues mass of seawater on the Earth's surface, its boundaries formed by continental land masses, ridges on the ocean floor, or the equator. Seas - Correct Answer ️️ -Smaller and less deep bodies of seawater that are partially enclosed by land. They are found where the ocean and land meet. Taxonomic Hierarchy - Correct Answer ️️ -The classification of the species within...

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...

Amniotes have - Four limbs Fused pelvic girdle ears no gills Amphibians have - Absence of scales shelled egg Angiosperms - flowering plants Annelids are - segmented worms Arthropods are - First land animals Arthropods are characterized by - segmented body (insects, arachnids, crustaceans) Australopiths age - 4-2 mya Bilatera - most animals belong to this class. bilaterians have: - symmetric form digestive tract one way digestive system birds have - wings with keratin featherslack...

Pest - CORRECT ANSWER any insect, mite, rodent, weed, disease etc that is injurious to the health of humans, animals, plants, or the environment Goal of IPM - CORRECT ANSWER keep pests below economic and aesthetic injury level, avoid adverse effects on humans, wildlife, environment economic injury level - CORRECT ANSWER breakeven point at which cost of pest control equals revenue loss caused by pest economic threshold level - CORRECT ANSWER number of pests per plant or amount of damage to plant ...