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- How was the number of different species in Lake Whillans determined?a. counting individual cellsb. analyzing the DNA recovered from the samples c. growing the cells and then classifying them according to theirstructural characteristicsd. measuring the concentration of cells in each milliliter of lake waterKelp represent which type of protist?a. archaeplastidab. chromalveolatac. opisthokontad. excavatae. rhizariaCompare and contrast the two types of slime molds with one another and with water molds.
- What enviroment factors would have contributed to there being bacteria on a door handle inside a school?A principle of biology is that biology affects our society. Whyare the cysts of protists important to epidemiologists, thebiologists who study the spread of disease?Which structure plays a direct role in the exchange of genetic materialbetween bacterial cells?a. flagellum.b. pilus. c. capsule d. fimbria
- What is the impact of coral bleaching on biological diversity in marine ecosystems?Why are coral reefs not found in the regions from west bengal to andhra pradesh but are found in tamil nadu and on the east coast of india?Deposits of shells from ancient ________ have been transformed to chalk and limestone. a. dinoflagellates c. radiolaria b. diatoms d. foraminifera
- Which part of the world has high density of organims?Is coral have a skelton composed of calcium carbonate how?Is it worth spending money to try to protectcoelacanths from being accidentally killed by fishermen, orshould scarce resources be instead devoted to preserving moreecologically important species and habitats?
