lobster‚ and mollusks such as squid and octopus. What do they eat? The larger animals may eat smaller fish or like whales they eat plankton: the small and microscopic organisms drifting or floating in the sea or freshwater‚ consisting chiefly of diatoms‚ protozoans‚ small crustaceans‚ and the eggs and larval stages of larger animals. Many animals are adapted to feed on plankton‚ especially by filtering the water. There are different types of animals that eat different things‚ most of the ocean fish
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upper part of lakes there is a good supply of light‚ heat‚ oxygen‚ and nutrients‚ well distributed by currents and turbulence. As a result‚ a large number of diverse aquatic organisms can be found there. The most abundant forms are plankton (chiefly diatoms)‚ algae‚ and flagellates. In the lower levels and in the sediments‚ the main forms of life are bacteria. See also limnology. Heavy Water Water from most natural sources contains about 0.015% deuterium oxide; this can
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chiton is a marine mollusk in the class Polyplacophora. It has a flattened‚ oval shaped body with a shell of eight overlapping plates. They are usually found clinging onto rocks near water‚ this way they can obtain their food. Chitons eat algae‚ diatoms‚ and sometimes they will also eat bacteria. Chitons have separate sexes. The male chiton releases his sperm cells into the water‚ and the female chiton releases her cells individually. As a result‚ fertilization is external. b. Not much changes
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Hellenistic art was propelled and conducted under the vast expansion of the Greek world under Alexander the Great in the late fourth century B.C. During this era‚ bronze‚ cast from alloys of copper‚ tin‚ lead‚ and other elements‚ was employed tremendously for dynamic compositions‚ displays of the nudity‚ and graphic expressions of individual identities. Surpassing marble with its tensile strength‚ reflective characteristics‚ and capability of embracing the finest details‚ bronze statues were produced
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Lori Stenbeck Bio K121 June 7‚ 2012 The Microscope Introduction: The purpose of a microscope is to see either enlarge images of small objects and or make seen what is invisible to the naked eye. We have two types of microscopes available in the lab. The dissecting microscope is designed to study objects in three dimensions at low magnification. The compound microscope is used for examining small or thinly sliced sections of objects under magnification that is higher than the dissecting microscope
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For as long as I can remember‚ I have been fascinated by marine life. I visited the Baltimore Aquarium many times as a child; I remember being amazed by the different kinds of animals I saw. I spent my summers at the library reading about marine organisms‚ their habitats‚ their adaptations‚ and how they interacted with other organisms. In middle school‚ I participated in a project that consisted of decorating the classroom to represent a biome‚ and I worked on the marine biome. In the summer before
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CLASSIFICATION OF SEDIMENTARY ROCK Sedimentary rocks are classified according to two(2) major classes known as: • Clastic (detrital) Sedimentary Rocks • Chemical Sedimentary Rocks Clastic (detrital) Sedimentary Rocks 1. Made up of mineral grains‚ fragments of other rocks (called lithic fragment)‚ shells and other inorganic(hard) of formally living organisms. 2. The clastic particles or grains in a sedimentary rocks are cemented together by mineral precipitates that formed during the
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water World Health Organization Regional Office for Europe EUROPEAN COMMISSION Eutrophication and health 40 preface Eutrophication and health Algal blooms‚ “red tides”‚ “green tides”‚ fish kills‚ inedible shellfish‚ blue algae and public health threats. What is the common link ? The answer is‚ EUTROPHICATION: a complex process which occurs both in fresh and marine waters‚ where excessive development of certain types of algae disturbs the aquatic ecosystems and becomes a threat
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fibers releasing proteins that are absorbed by the termites’ digestive system. Paramecium benefit by having an environment to thrive and they ingest the wood fibers for their own nutrition as well. 2. c. An important ecological effect of diatoms is that when they die they hold onto CO2 trapped inside their silicon skeleton‚ carrying it to the ocean floor instead of being released into the atmosphere. d. Autotrophic 3. Two characteristics that helped identify the euglena were:
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with the phenomenon known as an algal bloom. These algae fall into two categories. The first category of harmful algae produces toxins that are released when ingested by animals or humans. The dinoflagellate Alexandrium tamarense (left) and the diatom Pseudo-nitzschia australis (right) are examples of toxin producing alga. The other category of harmful algae kill without toxins. These are equipped with structures such as spines and serrated edges that allow them to lodge in fish gill tissues
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