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2 years ago

A predicted increase in global warming affects the north american ecosystem in that

Biology

1 answer:

alekssr [168]2 years ago

3 0

Important:

It will not affect the american ecosystem in one single way. There are many stuff that will change due to global warming, not only in America.

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Here's some information:

- Global warming can raise sea levels by melting glaciers - that can affect North-America since it stands relatively close to the North Pole.

- Living organisms have adapted to live under certain conditions, and if those conditions change too rapidly, we'll see many things going on. Plants can start dying-out, which means all the other animals will die-out as well.

- An increase in water temperature might affect the water cycle, since more water will evaporate in the surface, and we don't know if the condensation of water will be able to keep up.

- Dry and hot regions will get even drier and hotter, and that's not something we want in the hot and dry southern regions of North-America.

- Ice/snow is important in the ecosystems that have it. It forms part of a cycle that can cause a lot of trouble if broken.

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Now, if we apply all those consequences and many others to the whole world, the only conclusion with can get to is that every day that passes and we don't do anything, is a day less until our extinction. If things aren't done seriously, Mars is not a salvation option, nor is the Moon or any other place we've been exploring.

Hope it helped,

BioTeacher101

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Punnett square are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring

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Answer:

The correct answer would be Pp.

The genotype of one parent is PP. Thus, it will produce only one type of allele, that is, P.

Similarly, the genotype of another parent is pp. Thus, it will produce only one type of gamete, that is, p.

The cross would produce offspring with only one type of genotype, that is, heterozygous Pp.

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For Heliodorus, having four arm-like extensions is dominant over having two. In a family of Heliodorus, Hayden has four arm-like

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Answer:

Hayden- heterozygous dominant

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Father (Harry)- homozygous recessive

Sister (Holly)- homozygous recessive

Explanation:

This is a genetic scenario involving a single gene coding for number of arm-like extensions in Heliodors family. According to the question, the allele for four arm extensions (A) is dominant over thr allele for two arm extensions (a). The question also states that Hayden and his mother have four arm extensions while his sister (Helen) and Father (Harry) have two arm extensions.

Firstly, it is worth it to note that Harry and Holly will be genotypically homozygous recessive (aa) because a recessive trait will only be expressed in a homozygous state, since two arm extensions is the recessive trait.

Now, since father is homozygous recessive, he will produce gametes that contains only "a" allele. If the mother were homozygous dominant (AA), no recessive offspring should be produced because all the offsprings wil phenotypically have four arm extensions. But one has two (recessive) which is the sister (Holly). This is because, although, the mother phenotypically has four, but is genotypically heterozygous dominant (Aa). Hence, it can produce A and a allele in gamete formation. Therefore, Helen has heterozygous dominant (Aa).

Lastly, Hayden also has four arm extensions, hence dominant. But since Aa genotype and aa genotype from Helen and Harry respectively, came together, no homozygous dominant offspring can be produced. This tells us that Hayden must be a heterozygous dominant.

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1 year ago

The heterotroph hypothesis of the origin of life states that basic organic building blocks formed from inorganic molecules under

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Answer:

1) abiotic synthesis of small organic molecules (monomers)

2) joining of monomers into polymers

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Answer:

Different mass

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