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e-lub [12.9K]
3 years ago
12

Briefly describe an experiment that would allow you to test the hypothesis that increased predation by killer whales was the cau

se of the sea otter decline. Keep in mind the following key components of any good experiment:
a control (something to which to compare the treatment), replication (do it more than once), and consideration of confounding factors (what differences other than what you manipulate in your experiment?).
Biology
1 answer:
Fittoniya [83]3 years ago
4 0

Answer:

Control environment having no fish, seal or squid only sea otter.

Explanation:

If a killer whale is present in the control environment means no food except sea otter so we can see a decrease in the population of sea otter because the killer whale feed on it. If a killer whale has more food available in the form of fish, squid and seal etc so they will not feed on sea otter and their population will be increasing with the passage of time but when the killer whale is present in an environment which has no fish, squid and seal etc to eat so they feed on the sea otter to survive and as a result the population of sea otter decline.

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In late nineteenth-century debates on American immigration, many scholars and government officials privileged immigrants from no
nata0808 [166]

Answer: Option A.

Explanation:

Ethnocentrism is a major factor in the divisions among members of different ethnicities, races, and religious groups. It's the belief that one's ethnic group is superior to another.

It is also the evaluation of other cultures according to preconceptions originating in the standards and customs of one's own culture.

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4 years ago
What is the best way to prevent the growth of bacteria on food preparation surfaces?
Ilya [14]

The best way to prevent the growth of bacteria on food preparation surfaces is sterilization. Details about sterilization can be found below.

<h3>What is sterilization?</h3>

Sterilization is the process of treating something to kill or inactivate microorganisms.

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It is a known fact that microbes are responsible for food spoilage, hence, to prevent this, it is important to kill or get rid of them.

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7 0
2 years ago
You find a rock with fossils in it.is this rock more likely to be a sedimentary rock than an igneous rock?explain
noname [10]
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4 years ago
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8 0
3 years ago
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Sensory information entering the dorsal ramus of the spinal nerve is most likely coming from which part of the body?
tekilochka [14]

Answer: Option D

Explanation:

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