Molluscs - Study guides, Revision notes & Summaries

Outside vertebrates, the animal with the highest brain:body ratio is... Ans ... octopi Lack Neurons: Ans No nervous system (songes and placozoas) Nerve Net: Ans Uniformly distributed neurons (Cnidarians, jellyfish) Centralized Nervous System: Ans 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... Ans ... migratory bats which lose mass from neocortex to reduce we...

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...

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...

Campbell Biology Chapter 50 Test Questions and Answers All Correct Smooth muscle - Answer-a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart) Semicircular canals - Answer-three loops of the fluid-filled tubes that are attached to the cochlea; They help us with our sense of balance round window - Answer-one of the two openings into the cochlea of the inner ear; closed off...

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...

Seven tenths - Approximate fraction of Earth's surface covered by oceans Basalt - Rock that makes up most of the ocean floor and volcanic ocean islands Mach - A dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound 1 - Number of protons in an ionic state of an atom of hydrogen Hydrogen peroxide - Common name for antiseptic, found in many homes, that decomposes into water and oxygen H2O2 - Chemical formula for hydrogen peroxide ...

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...

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...

Terranova Bio 102 Exam 3 NVCC Study Guide Major Components of Circulatory Systems - Circulatory fluid, pump (heart), vessels Arteries - Carry blood away from the heart Veins - Carry blood toward heart Capillaries - Carry blood between arteries & veins Open Circulatory System - Found in most molluscs & all arthropods. Open Circulatory System - Circulatory fluid -flows out of open-ended vessels & is sometimes located in open spaces among body tissues. -no distinct...