Identify two ways an adaptation helps a species? I need help on this problem soon please! Thanks!

1 answer:

5 0

1. food meaning their source food could no longer be there so they have to search for something else to eat in order for survival
2. weather meaning the weather of which that animal is used to has chnaged for ex.) in Antarctica the weather is getting warmer so the polar bears and pennguins can adapt or die

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Up to this point, did you notice any differences between the development of male and female gametes?

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Answer:

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Explanation:

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A.) mutualism B.)commensalism C.)parasitism D.)competition

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Contrast the genetic content and the origin of sister versus nonsister chromatids during their earliest appearance in prophase I

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Answer:

Sister chromatids are identical forms of chromatids of a chromosomes. They are mostly formed by semi-conservative replication of DNA molecule of a single chromosome.Thus they are like 'photocopies' of original parent chromosomes; joined together at the Centromere.

They are exactly similar in all ramification; with the same gene and allele compositions..

However; slight differences arise between the two identical sisters due to mutation from errors at replication;and also in the length of telomere repeats.

Non-sister chromatids are dissimilar forms of chromatids of a chromosomes formed when each half of a chromosome at fertilisation from separate haploid sex-cells, of each parent. fused.They contain different genetic composition;because they are not on the same homologous chromosomes.Therefore crossing -over ensure variation.

However, they are genetically similar in composition; if they are contained in homologous chromosomes. This is because Synapsis of bivalent of these chromosomes allow genetic material to be shared by chromosomal crossing-over between the non-sister chromatids on the chromosomes ; therefore identical genetic characteristics are shared .

Explanation:

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3 years ago

What are the 2 ways plants use energy?

Alex777 [14]

Answer:

What are the 2 ways plants use energy?

Explanation:

This process uses solar energy to convert carbon dioxide and water into energy in the form of carbohydrates. It is a two-part process. First, the energy from solar radiation is trapped in the plant. Secondly, that energy is used to break down carbon dioxide and form glucose, the main energy molecule in plants.

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Which of the following samples will have the greatest volume at STP?a. 22 g Neb. 22 g Hec. 22 g O2d. 22 g Cl2 e. All have the sa

sammy [17]

Answer:

22g of He

Explanation:

Volume of gas at STP is given as :

Volume occupied(dm³) = number of moles x 22.4dm³mol⁻¹

In order to solve this given problem, we would first find the number of moles from the different masses of atoms and molecules given.

Number of moles = $\frac{mass }{Molar mass}$