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AURORKA [14]
2 years ago
6

What are two major external characteristics that distinguish mammals from other animals.

Biology
1 answer:
Nataly [62]2 years ago
6 0

Explanation:

Two characteristics are used to define the mammal class. They are mammary glands and body hair (or fur). Female mammals have mammary glands.

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For a gene with a dominant allele T and recessive allele t, what proportion of the offspring from a TTxTt are expected to be hom
kiruha [24]

Homozygous being (TT): 50%

Heterozygous being (Tt): 50%

Hetero- different

Homo- the same

7 0
3 years ago
How did Francesco Redi disprove the idea of spontaneous generation?
ANTONII [103]

Answer:Francesco Redi was against the theory of spontaneous generation. His intent for performing this experiment was to disprove the theory. He took six jars and filled them with decaying meat. He left three of these jars open and sealed the other three.

Explanation:

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2 years ago
Which term describes a dna molecule?
kotegsom [21]
A twisted double helix.
3 0
3 years ago
A new golf course is built next to a river. Over the past several months, the nitrate levels of the water in the river have been
elena-14-01-66 [18.8K]

Answer:

The answer is "runoff from fertilizer".

Explanation:

The fertilizer is any natural or synthetic material, which is applied with soil or tissue of plant species and provides one or more plant foods, which are necessary for plant growth.  

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3 years ago
How does Overpopulation affects our lives today ??
Mnenie [13.5K]

No Clean Water: We may live on a water planet, but 97.5% of that water is ocean and other undrinkable salt-filled sources. Only 2.5% of the water on this planet is fresh, and of that, 1% is either too polluted to be consumed or entirely unreachable. Much of it remains frozen in the form of polar ice caps. All told, less than 1% of the planet’s freshwater resources are available for consumption.

Lower Life Expectancy: Thanks to medical intervention, human beings can live to be up to 100 years old — as long as they live in developed countries where they have access to that medical care. One study, done by researchers at Harvard, found that the majority of population increases over the next 40 years or so will be in less developed countries.

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