Where would an ecologist find the most phytoplankton in a lake?

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#Question id: 1271

#Unit 4. Cell Communication and Cell Signaling

Common sugars found in proteoglycans include all of the following except:

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#Question id: 12347

#Unit 10. Ecological Principles

A team of conservation biologists, surveying a population of frogs on an island, captured and marked 312 individuals in the first sample. In a second sampling, 3 days later, the team caught 140 individuals of which 26 were previously marked. The total number of frogs on the island is estimated to be . (Use decimal notation, not fractions or percentage)

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#Question id: 4582

#Unit 11. Evolution and Behavior

 Fossils found in strata reveal that ________.

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#Question id: 11404

#Unit 10. Ecological Principles

You were discovered 4 species in forest, their characteristic as following,

A specie eat only bamboo;

B species eat fruits of many tree species;

C species Short life span;

D species low population variability .

Which of the following species characteristics have been proposed as more prone to extinct?

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#Question id: 15011

#Unit 8. Inheritance Biology

Which of the following statements about a lethal allele is NOT correct?