Molluscs Study guides, Class notes & Summaries

AICE Marine Science A Level Chapter 8 Questions and Answers 100% Pass Primary Producers - Correct Answer ️️ -in marine ecosystems include phytoplankton, larger algae such as Sargassum, and flowering plants such as the sea grasses. They fix carbon, in the process of photosynthesis, making organic substances which are then available to higher trophic levels. Benefits of Sea Grass - Correct Answer ️️ -Provides habitats for many other organisms, including many different species of fi...

Outside vertebrates, the animal with the highest brain:body ratio is... - ... octopi Lack Neurons: - No nervous system (songes and placozoas) Nerve Net: - Uniformly distributed neurons (Cnidarians, jellyfish) Centralized Nervous System: - Centralized in one spot, usually head. Usually bilateral body symmetry (Chordates, spiders, insects, and molluscs) Nervous system is not independent of influence as seen in... - ... migratory bats which lose mass from neocortex to reduce weight Sponges...

MIP 260 Exam 3Cestoidean - correct answer Strobila; Made up of many individual "proglottids"; Strobilation (formation of new proglottids) - takes place at the anterior end of the worm; The older proglottids are near the posterior end of the worm Cestoidea - correct answer The tegument and muscle fibers of the tapeworm are continuous... therefore cestodes are not technically "segmented" like annelids or arthropods, even though we commonly refer to their segments or proglottids Cestoid...

AICE Cambridge Marine Science 1 Questions and Answers 100% Pass Ecosystem - Correct Answer ️️ --Living organisms and the physical and chemical factors which influence them(both biotic and abiotic components). - Example: A rocky shore, including the organisms living there, linked together by flows of energy forming a food web, and their environment. Habitat - Correct Answer ️️ --Place where organisms live -Example: the area surrounding a hydrothermal vent provides a habitat for spe...

Basics of diffusion, gradients, and how they relate - Answer-Diffusion: spontaneous movement of very small things. It requires no energy investment by the organism (other than keeping the temperature above freezing) --direction is random Gradients: top of gradient = high concentration, bottom of gradient = low concentration --diffuses high to low Basics of diffusion across a semipermeable barrier - AnswerFactors that speed up or slow down diffusion - Answer-size: smaller things diffuse fas...

Pest correct answers a plant or animal detrimental to man; seen as insects, disease causing organisms, weeds, molluscs, fish, birds, and a variety of mammals from rats to bears as competitors for our livestock and crops. earliest use of chemical pesticide correct answers 2500 B.C.; used sulfur to control insects and mites Bordeaux mixture correct answers mixture of CuSO4 and lime used to prevent downy mildew on grapes; first used in 1892 synthetic pesticides correct answers started bein...

National Science Bowl Exam Questions With Verified And Updated Answers Seven tenths - answerApproximate fraction of Earth's surface covered by oceans Basalt - answerRock that makes up most of the ocean floor and volcanic ocean islands Mach - answerA dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound 1 - answerNumber of protons in an ionic state of an atom of hydrogen Hydrogen peroxide - answerCommon name for antiseptic, found in man...

AICE Marine Science A Level Chapter 8 Questions and Answers 100% Pass Primary Producers - Correct Answer ️️ -in marine ecosystems include phytoplankton, larger algae such as Sargassum, and flowering plants such as the sea grasses. They fix carbon, in the process of photosynthesis, making organic substances which are then available to higher trophic levels. Benefits of Sea Grass - Correct Answer ️️ -Provides habitats for many other organisms, including many different species of fi...

AICE Marine Science A Level Chapter 8 Questions and Answers 100% Pass Primary Producers - Correct Answer ️️ -in marine ecosystems include phytoplankton, larger algae such as Sargassum, and flowering plants such as the sea grasses. They fix carbon, in the process of photosynthesis, making organic substances which are then available to higher trophic levels. Benefits of Sea Grass - Correct Answer ️️ -Provides habitats for many other organisms, including many different species of fi...

AQA A-level GEOGRAPHY 7037/1 Paper 1 Physical Geography Version: 1.0 Final A-level GEOGRAPHY Paper 1 Physical Geography Insert This insert contains:  Figure 1 for use with Question 1  Figure 2 for use with Question 1  Figures 4a, 4b and 4c for use with Question 2  Figures 6a, 6b and 6c for use with Question 3  Figures 8a and 8b for use with Question 4  Figure 9 for use with Question 5  Figure 10 for use with Question 5  Figure 11 for use with Question 6 ...