Sea lamprey Study guides, Class notes & Summaries

List the roles plants play in a healthy aquatic ecosystem. - ANSWER--producing oxygen -preventing shoreline erosion -lessening excess nutrients during growing season -stabilizing lake bottom -providing food and habitat for fish, waterfowl, and other aquatic animals List ways that excessive plant growth can adversely affect the ecology and uses of a water body. - ANSWER--harm ecology of aquatic ecosystem -curtail or prevent recreational water uses (e.g. fishing, boating, swimming) -impa...

nutrients - correct answer-Phosphorus, nitrogen and other constituents that promote plant and algal growth that if excessive can lead to lake degradation. temperature - correct answer-This water quality factor is critical for many fish and other types of aquatic life. Warming may reduce or inhibit some fish from reproducing or thriving in a lake. habitat - correct answer-The water or shoreline conditions need to be suitable for fish and aquatic life to live. If lake shores are developed it...

NRES 103 Final Exam 2023, Verified Solution 12,000 years ago The last glacier withdrew from North America about Niagara Falls What prevented water-bound organisms from migrating from the ocean to the upper Great Lakes? It focuses on trophic relationships as a network Rather than a food chain, it's more accurate to think in terms of a food web because Downdrafts Which of the following is not a feature that the Great Lakes share with the oceans? Downdrafts, waves, upwelling, currents ...

Have early humans been implicated in the death of the megafauna (e.g. mammoths)? A. True B. False correct answer: A. True Which is NOT a leading reason for the current extinction of species? A. Invasive Species B. Habitat Loss C. Pollution D. Hunting correct answer: C. Pollution Which of these are responsible for the environmental degradation of the Illinois River. A. The introduction of Common Carp B. The connection of the Illinois River to the Chicago River and the disposal of ...

First fungi evolved in - Ordovician conifers evolved in - Permian chloroplasts are found only in kingdom plantae - false oparin did experiments in - chemical evolution dna in the nuclei in eukaryotic cells is complexed with - proteins pasteur bent necks of glass flasks to prevent from reaching water - bacteria Stanley miller combined methane and in water - ammonia endosymbiosis theory argues a relationship between two cells - mutualistic pasteur did an experiment to show there was no spo...

Topic 7 ------------------------------------------------------------------ Fish that live in marine environments and ascend creeks and streams to breed are called _________. correct answer: anadromous When lampreys reached the upper Great Lakes the _________ fishery collapsed. correct answer: Lake Trout The _________ are chordates that are sessile as adults and/but have a free-swimming larva. correct answer: urochordata Scientists once thought (incorrectly) that Amphioxus was a la...

The solid ball of cells formed through clevage is called a _____ correct answer: Morula according to MPM many wildlifers, if given a chance would study ______ correct answer: CMVs In deuterostomes the ___ forms from the blastophore correct answer: Anus There are about __ species of jawless vertebrates in the world today correct answer: 70 Scientists once thought (wrongly) that Amphioxus was a larval ____ that underwent paedormorphosis correct answer: Lamprey All Lampreys are ...

NRES 103 Final Exam 2023, Verified Solution 12,000 years ago The last glacier withdrew from North America about Niagara Falls What prevented water-bound organisms from migrating from the ocean to the upper Great Lakes? It focuses on trophic relationships as a network Rather than a food chain, it's more accurate to think in terms of a food web because Downdrafts Which of the following is not a feature that the Great Lakes share with the oceans? Downdrafts, waves, upwelling, currents ...

1. Class of Bony Fish: Osteichthyes 2. Class of cartilaginous fish: Chondrichthyes 3. Class of Hagfish: Myxini 4. Class of Lampreys: Cephalaspidomorphi 5. Extinct armored fish: Placoderms 6. Phylum of all fish: Chordata 7. Subphylum of all fish: Vertebrata 8. Sea lamprey: During the 1950's, Great Lakes Fisheries were devastated by this invasive parasite 9. Ray: Cartilaginous fish with triangular-shaped body, prominant dorsal fin, and small teeth 10. Sailfish: fastest swimming bony fish...

Class of Bony Fish - ANSWER Osteichthyes Class of cartilaginous fish - ANSWER Chondrichthyes Class of Hagfish - ANSWER Myxini Class of Lampreys - ANSWER Cephalaspidomorphi Extinct armored fish - ANSWER Placoderms Phylum of all fish - ANSWER Chordata Subphylum of all fish - ANSWER Vertebrata Sea lamprey - ANSWER During the 1950's, Great Lakes Fisheries were devastated by this invasive parasite Ray - ANSWER Cartilaginous fish with triangular-shaped body, prominant dorsal f...