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valina [46]
3 years ago
7

41:07

Biology
1 answer:
Dominik [7]3 years ago
6 0

Answer:C

Explanation:BECAUSE I SAID SO

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The northern red-legged frog, or Rana aurora, is found along the western coast from British Columbia to Northern California. The
Zarrin [17]

The answer is B)<span> </span>temporal isolation.

<span>
<span>Temporal isolation is a type of reproductive isolation, which could be prezygotic or postzygotic. Temporal isolation is prezygotic reproductive isolation since it occurs before fertilization and zygote production. Temporal isolation is result of temporal differences in breeding. In this example, the breeding season of Rana aurora lasts from January to March while the breeding season of Rana boylii lasts from April to July. So, these two breeding seasons do not coincide and these species could not mate.</span></span>

7 0
3 years ago
Green olives may be preserved in brine, which is a 20-30% salt solution. How does this method prevent contamination by microorga
vredina [299]

The correct answer is Bacteria can't survive in a hypertonic solution because they lose water.

The 20-30% salt solution is hypertonic as Compared to the bacterial concentration of salt. In this case, the bacteria present in the solution would lose water. Due to excess loss of water, the bacteria would eventually shrink and die. Hence, green olives preserved in the brine would be safe from microbial attack.

7 0
3 years ago
What institutional status provides no specific regulatory coverage for laboratory strains of rats and mice?
Marta_Voda [28]

Answer: USDA registration for research institute.

Explanation:

United States Department of Agriculture ( USDA) is a federal agency in the United States which was founded by Abraham Lincoln. This agency plays a major role in the regulation and maintenance of farming, ranching, and forestry industries, as well as regulating aspects of food quality & safety. The agencies established under the USDA includes:

--> Agricultural research services

--> Farm service agency and

--> Animal and Plant health inspection service.

Through the Animal and Plant inspection services, the USDA administers the Animal Welfare Act (AWA) which purposefully excluded laboratory strains of rats and mice because they are breed specifically for research purposes.

5 0
3 years ago
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Gause's experiments on two species of paramecium with very similar niches allowed him to formulate the principle of competitive
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The given example suggests the principle of resource partitioning.

The resource partitioning is a method of division of resources present in a particular niche to avoid the competition. In this case, the organism divide the regions having the abundant resources and they do not interfere in each others region.

In this case, the resource partition takes place by dividing the regions in the flask. one species use he resources present in the middle region and other uses the resource in the bottom.

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3 years ago
Firing a bullet into a pig carcass to compare the damage to a human body would be an example of which scientific process in fore
Fittoniya [83]
The answer is D experimenting
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3 years ago
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