Which two areas are in the temperate zone, and which two areas have the coldest climates?artic circletropic of cancerequatortropic of capricornantartic circle?
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The two areas that have coldest climates are the arctic circle and antarctic circle.These areas are situated at the opposite poles of the earth where the temperature is at the lowest.
Answer:
The temperate zones are 2 and 4, and the coldest areas are 1 and 5.
Explanation:Trust me i got it right
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Imagine driving down the highway and reading a sign that states "Save the planet—don’t litter". Identify the technique of policy enactment being used.
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Answer:
Elliptical. Hope this helps!
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Answer: Through their Respitory and Digestive Systems.
Explanation: Organisms breathe in order to get necessary oxygen into the body as well as consume foods and liquids in order to get all the other nutrients required to make energy. Energy is created with these nutrients through individual cells in a form called ATP.
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A) 50% white-flowered and 50% purple-flowered
B) 75% white-flowered and 25% purple-flowered
C) 75% purple-flowered and 25% white-flowered
D) 100% purple-flowered and 0% white-flowered
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Answer: The correct answer is-
C) 75% purple-flowered and 25% white-flowered.
As per the information given in the question, genotypes of parent plants are-
Pp and Pp that is heterozygous dominant, which exhibit purple flowers.
This indicates that purple flower is a dominant trait that masks the expression of recessive trait.
A dominant trait ( depicted by capital letter allele) always masks the expression of recessive trait ( depicted by small letter allele).
When parent plants with heterozygous dominant ( having two different alleles that is dominant and recessive allele) genotype are crossed, they will produce 75% purple-flowered and 25% white-flowered plants.
Refer punnet square.
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- Bryophytes are a loose classification of three non-vascular land plant embryophytes: liverworts, hornworts, and mosses. They are typically small and prefer damp surroundings, however, they may thrive in drier ones. There are over 20,000 plant species in the bryophytes.
Answer:
Bryophytes are an informal group consisting of three divisions of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consists of about 20, 000 plant species.
The gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. The gray frog was abundant in the woodlands. Because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. In such a case, the
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The gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. This suggests that speciation occurred because of
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Answer:
the speciation of the gray tree frog and the green tree frog in the given scenario is likely a result of natural selection caused by the change in habitat from woodlands to grasslands, leading to differences in their mating calls.
Explanation:
the change in the environment from woodlands to grasslands due to climatic changes led to speciation, resulting in the gray tree frog and the green tree frog having different mating calls. This suggests that speciation occurred because of natural selection.
Here's an explanation of how this process might have occurred:
1. Initially, both the gray tree frog and the green tree frog shared a common ancestor and had similar mating calls.
2. When the climatic changes caused most of the trees in the region to die, the woodlands transformed into grasslands.
3. This change in habitat created a new selective pressure on the tree frogs. The gray tree frogs, which were adapted to the trees in the woodlands, faced difficulties surviving in the new grassland environment.
4. However, the green tree frogs, which had a broader habitat range and could survive in both woodlands and grasslands, were better suited to the new environment.
5. Over time, the gray tree frog population in the grasslands declined, while the green tree frog population thrived.
6. As the populations became isolated from each other, natural selection acted on the genetic variations present within each population.
7. The different mating calls between the gray tree frog and the green tree frog might have developed as a result of sexual selection. Frogs with mating calls that were most attractive or effective in their respective environments were more likely to reproduce and pass on their genetic traits.
8. Eventually, the genetic differences between the gray tree frog and the green tree frog became significant enough that they were considered separate species