Crustacean powerpoint
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Crustaceans are a large phylum of arthropods including crabs, shrimp, lobsters, barnacles, copepods and krill. They mostly live in water and have a body divided into two parts - a fused head and thorax called the cephalothorax, and an abdomen. They have many specialized jointed appendages including walking legs, swimming legs, and feeding appendages. Crustaceans have a variety of feeding methods from predation to filter feeding. They reproduce sexually with external fertilization and females carry eggs until hatching.
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Ant diversity lab presentationSmithtown High School West This document outlines an experiment to investigate ant diversity in Smithtown West. It lists the problem, title, hypothesis, independent and dependent variables, materials, factors to control, methods for collecting data, and a data table to record results. The goal is to study different types of ants in the local area.
Relationships and biodiversity pre lab review
Relationships and biodiversity pre lab reviewSmithtown High School West This document discusses various types of evidence that can be used to determine evolutionary relationships between organisms, including structural evidence from comparative anatomy and embryology as well as molecular evidence from similarities in pigments, enzymes, DNA structure, and proteins. It focuses on examples of this evidence that can be observed when analyzing plant structures, pigments, enzymes, DNA, and proteins.
Sea star dissection powerpoint
Sea star dissection powerpointSmithtown High School West This document provides instructions for a sea star dissection lab where students are tasked with labeling the external and internal structures of a sea star using letter identifiers on diagrams. The external structures include the aboral and oral sides as well as full anatomy diagrams. Internal structures cover the digestive system, reproductive system, and water vascular system.
Sea turtles powerpoint
Sea turtles powerpointSmithtown High School West Sea turtles face numerous threats including predation, destruction of nesting habitats, accidental drowning in fishing gear, ingestion of plastic debris, disorientation from artificial lighting, and being hit by boats. There are 8 species of sea turtles that can be found in the waters around Long Island, many of which are endangered or threatened. Sea turtles return to the beaches where they were born every few years to lay their eggs.
Whales powerpoint
Whales powerpointSmithtown High School West Whales evolved from land mammals over 50 million years ago. They have adaptations like blubber for insulation and buoyancy, and efficient oxygen exchange to stay submerged for long periods. Whales are divided into two groups - toothed whales that hunt prey and baleen whales that filter feed krill. Despite threats from whaling, conservation efforts have helped some whale populations recover.
Other marine mammals
Other marine mammalsSmithtown High School West This document summarizes various orders of marine mammals, including pinnipeds (seals, sea lions, walruses), polar bears, sea otters, sirenians (manatees and dugongs) and the protections provided by the Marine Mammal Protection Act. It describes their physical characteristics, behaviors, habitats and populations, noting that some were previously overhunted but are now protected by law.
Fish morphology powerpoint
Fish morphology powerpointSmithtown High School West The document discusses fish morphology and how the shapes of fishes and their body parts are adaptations to their environments and behaviors. It describes four main body shapes - fusiform for fast-swimming predators, compressiform for quick bursts of speed, depressiform for bottom-dwelling fish, and filiform for elongated fish. It also outlines different caudal fin shapes including homocercal and heterocercal, and provides examples of fish that exhibit each shape.
Sharks powerpoint
Sharks powerpointSmithtown High School West Class Chondrichthyes includes sharks, skates, and rays that have inhabited Earth for 280 million years. They are characterized by cartilage instead of bone and range in size from whale sharks over 60 feet long to smaller species. Sharks have streamlined bodies, denticles, and various adaptations for sensing prey and maintaining buoyancy. While some species prey on fish and marine mammals, others feed on plankton or scavenge. Shark attacks are rare with few species posing a danger to humans.
Jawless fishes powerpoint
Jawless fishes powerpointSmithtown High School West The jawless fishes, or class Agnatha, are the most primitive fish with long, eel-like bodies lacking paired fins, jaws, and operculum. They have circular mouths that cannot close and use a rasping tongue and sharp teeth to tear holes in prey and suck out fluids, with less than 50 living species such as hagfish that burrow and eat worms or scavenge using slime for protection and parasitic lampreys that have a strong sense of smell to find prey.
Echinoderm powerpoint
Echinoderm powerpointSmithtown High School West Echinoderms are marine animals with pentamerous radial symmetry, an endoskeleton, and tube feet. They include sea stars, sea urchins, sand dollars, sea cucumbers, sea lilies, and feather stars, which are classified into the classes Ophiuroidea, Echinoidea, Holothuroidea, Crinoidea, and Asteroidea. Sea stars have a water vascular system and all echinoderms have tube feet used for locomotion.
Marine worms powerpoint
Marine worms powerpointSmithtown High School West This document summarizes the main characteristics of seven marine worm phyla: Nemertea, Nematoda, Chaetognatha, Pogonophora, Sipunculida, Platyhelminthes, and Annelida. Platyhelminthes includes flatworms like tapeworms and flukes. Annelida contains segmented worms like earthworms and marine polychaetes. These phyla vary in body structure from flattened to segmented. They also exhibit different feeding strategies such as parasitism, suspension feeding, and predation.
Major marine invertebrate phyla powerpoint
Major marine invertebrate phyla powerpointSmithtown High School West This document summarizes the major marine invertebrate phyla, including their defining characteristics such as symmetry, examples of organisms within each phylum, and distinguishing features. The phyla discussed are Porifera, Cnidaria, Ctenophora, Platyhelminthes, Annelida, Mollusca, Arthropoda, and Echinodermata.
Marine flowering plants powerpoint
Marine flowering plants powerpointSmithtown High School West There are three main groups of marine flowering plants: seagrasses, mangroves, and salt marsh grasses. Seagrasses form underwater meadows in shallow, calm waters and reproduce both sexually through pollination and currents as well as asexually through rhizomes. Mangroves are woody trees found in tropical and subtropical coastlines that have aerial roots and reproduce sexually through seeds that germinate while still attached to the parent plant. Salt marsh grasses are found in sheltered intertidal coastlines and provide important habitat for many species.
Evolution powerpoint
Evolution powerpointSmithtown High School West This document summarizes key concepts about evolution, including that it occurs over time through natural selection, leading to diversity among and within species. It explains the mechanisms of evolution, including overpopulation, competition for resources, genetic variation, adaptation, and speciation. Adaptations like camouflage, warning coloration, and mimicry help organisms survive. Isolation of populations can also lead to speciation over time. The diversity of life on Earth is the result of evolution by natural selection.
Physical oceanographic research equipment powerpoint
Physical oceanographic research equipment powerpointSmithtown High School West Physical oceanographic research uses various instruments to measure properties of the ocean including temperature, salinity, wind speed and direction, currents, tides, and chemical tracers. Moored and drifting buoys equipped with sensors measure factors like temperature, salinity, currents, and winds, helping understand phenomena like El Niño. Satellites remotely sense currents, sea surface height, temperature, and water properties to study circulation patterns on a global scale.
Hurricanes powerpoint
Hurricanes powerpointSmithtown High School West Hurricanes form over warm ocean waters near the equator when low pressure systems cause warm, moist air to rise and rotate due to the Coriolis effect. They have a circular shape with strong winds and heavy rain that spiral inward towards the eye of the storm. Hurricanes strengthen over warm ocean waters but can weaken when winds disrupt the storm's structure, it moves over cooler waters, or makes landfall where the warm moisture source is cut off. They pose powerful threats through high winds, heavy rainfall that causes flooding, and storm surges that raise sea water levels greatly during coastal impact.
El nino powerpoint
El nino powerpointSmithtown High School West El Nino is a phenomenon where a mass of warm water moves east across the equatorial Pacific Ocean every 3 to 8 years, usually lasting about a year. It occurs when higher pressure over Asia and lower pressure over South America cause the typical easterly trade winds to weaken or reverse direction, allowing warm water to slosh back along the equatorial Pacific. This affects weather patterns and can cause flooding in some areas and drought in others.
Other types of waves powerpoint
Other types of waves powerpointSmithtown High School West The document discusses different types of ocean waves including breakers, longshore currents, rip currents, tsunamis, and rogue waves. Tsunamis are caused by sudden movement of the ocean bottom from earthquakes, volcanoes, or landslides and can travel hundreds of miles per hour, building into walls of water over 30 feet tall that are extremely damaging. Storm surge is caused by strong winds piling up water along coasts, temporarily raising sea levels up to 20 feet and flooding low-lying areas.
Surface currents
Surface currentsSmithtown High School West Surface currents in the oceans are caused by wind blowing over the water and the Coriolis effect. The Coriolis effect causes wind-driven surface waters to curve clockwise in the northern hemisphere and counterclockwise in the southern hemisphere, forming massive circular gyre systems in the major ocean basins. These wind patterns and the Coriolis effect result in western boundary currents along the western edges of oceans that are stronger than the eastern boundary currents along eastern edges due to increased Coriolis effect at higher latitudes, such as the Gulf Stream current.
Chemical oceanographic research equipment powerpoint
Chemical oceanographic research equipment powerpointSmithtown High School West This document lists and describes various pieces of equipment used for chemical oceanographic research including Niskin and Nansen bottles, rosettes, thermometers, hydrometers, refractometers, CTDs, secchi discs, dissolved oxygen meters, sonar, and side-scan sonar. This equipment is used to collect water samples, measure temperature, salinity, turbidity, dissolved oxygen levels, and to image the ocean bottom and objects using sound waves.
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boundaryml/baml
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boundaryml/baml
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boundaryml/baml
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Crustacean powerpoint
- 1. CRUSTACEA
- 2. • Phylum Arthopoda • Subphylum Crustacea • 30,000 species • Mostly marine
- 7. Examples of Crustaceans Copepods – 70% of all Crustaceans
- 8. Examples of Crustaceans Krill – greatest biomass of any species on earth
- 11. ANATOMY • Anatomy varies depending on type of crustacean • Body divided into two major parts: Cephalothorax – head and main body cavity Abdomen – muscular, segmented dorsal part of body • Usually 16 – 20 body segments • Carapace – shell covering cephalothorax
- 12. cephalo thorax ab do m en carapace
- 13. ANATOMY • Many specialized, jointed appendages: – Gills – usually underneath for breathing – Walking legs - pereopods – Swimming legs - pleopods – Feeding appendages • maxillipeds and mandibles - mouthparts • chela - claws – Sensing - antennae – Defense – Tail – telson and uropods
- 14. antennae eye shrimp anatomy telson chela uropods gills pleopods pereopods
- 15. crab anatomy – dorsal view chela eye antenna carapace walking legs swimming legs abdomen
- 16. mandibles eye chela crab anatomy – ventral view abdomen
- 17. Crustacean Feeding • Methods vary: • Predators and scavengers – crabs and lobsters • Filter feeders – barnacles • Parasites – isopods (fish lice), whales barnacles
- 18. Crustacean Reproduction • Separate sexes • Males release sperm packet using modified appendages • Females mate during molting – hold sperm packet until fertilization • Females carry fertilized eggs under abdomen until hatching
- 19. Crustacean Life Cycle • Meroplanktonic larvae
- 20. Other Facts • Largest – king crab – legspan of 12 feet • Heaviest – 48 pound lobster