Ecosystems can be grouped into larger categories called ____?

1 answer:

4 0

Freshwater, ocean water, and terristrial.

There are three broad categories of ecosystems based on their general environment, as those that were mentioned above. Within these broad categories are individual ecosystem types based on the organisms present and the type of environmental habitat.

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Explain the difference between sexual reproduction and asexual reproduction. Explain either an advantage or disadvantage for

ira [324]

In asexual reproduction, reproductive organs aren't used but they're used.

advantage of sexual- A lot of genetic variation. since they have DNA of two parents. they can survive more and adapt more.

disadvantage of asexual- diversity is limited. Since the organism only gets the DNA of one parent, they wouldn't be able to really survive if something happened.They would easily be extinct.

Sorry I can't really cone up with better words but I hope you get the idea. it all comes down to natural selection really if you've learned about it. Hope it helped!!!

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Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning b

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Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. In albert's study, the amount of food given is the independent variable.

An independent variable is under the control of the experimenter. Independent variable does not depend on the other variables involved in the experiment. Since the amount of food is varied, it is not depending on other variables like size of mice, weight, etc.

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A scientist is examining a simple multicellular organism with a nucleus and

Sphinxa [80]

Answer:

The answer is protista.

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Ligases are enzymes that link two dna fragments together. Suppose a bacterium develops a mutation in the ligase gene needed for

Goryan [66]

Answer:

Cell will not replicate because of incomplete DNA replication.

Explanation:

DNA replication is crucial for reproduction/replication of any organism as it involves the duplication of genetic material. So if an organism is unable to perform proper DNA replication it would not be able to reproduce.

DNA polymerase is the enzyme that synthesize the new DNA strand in DNA replication. DNA polymerase can synthesize a strand only in 5'→3' direction. Both of the strands of DNA molecules are opposite in direction. So one strand is synthesized continuously called as leading strand while the other strand is synthesized in form of okazaki fragments called as lagging strand.

The okazaki fragments are joined together by the enzyme ligase. So if Ligase enzyme is absent in bacteria it would not be able to synthesize the lagging strand of DNA and thus could not be able to produce a replica of DNA. And if there is No replication of DNA then No replication of cell would occur.

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Which of these processes do not occur as a part of the cell cycle in the animal cells

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D i believe i’m sorry if this is not correct if not try c

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